Does your thyroid explain the scale creeping up, or the pounds that will not shift? This guide answers the most searched questions about thyroid and weight: gain in females and in men, weight loss and weight loss issues, management, weight training, a diet chart and weight loss injections, using findings from clinical studies and major thyroid organisations.
- Thyroid hormone sets your resting metabolic rate, so an underactive thyroid can cause modest weight gain and an overactive thyroid can cause weight loss.
- The effect is usually smaller than people expect. The American Thyroid Association says roughly 5 to 10 pounds may be attributable to the thyroid, and much of it is salt and water rather than fat.
- Weight changes caused by thyroid disease often partly reverse once hormone levels return to normal, but not always.
- Once your levels are normal, your ability to gain or lose weight is the same as anyone else’s.
- Thyroid hormone tablets should never be used for weight loss. Any loss is regained and the risks are real.
Thyroid and weight issues: the big picture
The thyroid is a butterfly-shaped gland at the base of your neck. The hormones it releases influence how you use energy, regulate body temperature and digest food, and they act on organs including the heart, brain, liver, kidneys and skin. Metabolism is the process of turning food into energy, and the energy your body uses at rest is called the basal metabolic rate (BMR). The American Thyroid Association explains that high thyroid hormone raises BMR, low thyroid hormone lowers it, and BMR in turn affects energy balance, the gap between calories eaten and calories burned.
Both the ATA and the British Thyroid Foundation stress that BMR is not the whole picture. Many hormones, proteins and brain signals control appetite, energy use and body weight, so it is impossible to predict exactly how a change in thyroid status will change any one person’s weight. Weight changes are also rarely the only sign of thyroid disease. Fatigue, feeling cold, dry skin, constipation and low mood often accompany them, and a blood test settles the question. To learn how the tests work, read our complete guide to thyroid function tests.
Thyroid and weight gain
An underactive thyroid (hypothyroidism) means the gland does not make enough hormone for your body’s needs. A generally slowed metabolism and lower BMR means your body burns fewer calories at rest, so you can gain weight even on a similar diet. Palmetto Endocrinology notes that going up a couple of clothing sizes is one of the commonly reported signs, and that the condition affects roughly 4.6% of the US population, with many people unaware they have it.
Why does hypothyroidism cause weight gain?
- Slower calorie burn. Lower BMR reduces daily energy use.
- Fluid retention. A research review in the International Journal of General Medicine explains that hypothyroidism reduces thermogenesis, promotes accumulation of a water-binding substance called hyaluronic acid and lowers kidney blood flow, all of which cause water retention. In severe cases (myxoedema), skin and facial swelling can even give a false appearance of being overweight.
- Constipation. Slow gut movement can add to scale weight.
- Fatigue and low mood. Feeling exhausted makes activity harder, so you may move less without realising.
How much weight can the thyroid cause?
Less than many people assume. The ATA says the BMR reduction in hypothyroidism is usually much less dramatic than the increase in hyperthyroidism, so weight changes are smaller. In general, 5 to 10 pounds may be attributable to the thyroid depending on severity, and massive weight gain is rarely caused by hypothyroidism. Cleveland Clinic similarly says that untreated hypothyroidism can cause weight gain and that many people lose weight once they begin hormone replacement.
If weight gain is your only symptom, the BTF and ATA both note that the thyroid is less likely to be the sole cause. Ask for a TSH test anyway, since it is quick and inexpensive, but also review sleep, diet, medicines, stress and activity.
Thyroid and weight gain in females
Women are more likely than men to develop thyroid disease, which is why “thyroid and weight gain in females” is such a common search. Several factors combine:
- Autoimmune disease. Hashimoto’s thyroiditis, where the immune system attacks the thyroid, is the most common cause of hypothyroidism. Palmetto Endocrinology reports it in a large majority of people with hypothyroidism. Cleveland Clinic lists being female as a risk factor.
- Age and menopause. Cleveland Clinic notes hypothyroidism is most common in women over 60, particularly after menopause. Menopause itself can cause weight gain, fatigue and mood changes, so the two conditions can overlap and mask each other. Our article on menopause and underactive thyroid explains how to tell them apart.
- Pregnancy and the postpartum period. Pregnancy changes thyroid hormone needs, and thyroiditis can follow childbirth. Read how to control thyroid during pregnancy for guidance.
- Related symptoms. Women often notice heavy or frequent periods, dry skin, brittle nails and hair thinning alongside weight changes. See thyroid disorder and hair loss if this applies to you.
- Nutrient gaps. Low vitamin D is frequently seen with autoimmune thyroid disease. Our guide on vitamin D and low thyroid covers the link.
Because symptoms such as tiredness, weight gain and mood changes overlap with perimenopause, stress and busy family life, many women are told their symptoms are “normal” for years. A simple blood test removes the guesswork.
Thyroid and weight gain in men
The mechanism is the same in men: low thyroid hormone lowers BMR, causes fluid retention and may reduce energy for activity. The research we reviewed does not report results separately by sex, and the Spanish hospital study in the journal was 82% female, so claims about male-specific patterns should be treated cautiously. What can be said safely is:
- Thyroid disease is diagnosed less often in men, so symptoms may be put down to age, stress or inactivity, delaying testing.
- Symptoms to watch for include unexplained weight gain, constant tiredness, sore muscles, forgetfulness, feeling cold, dry skin, constipation and low mood. Palmetto Endocrinology also lists loss of interest in sex, which is linked to lower sex hormones when thyroid function is low.
- High cholesterol can be a clue, because thyroid problems are one possible cause.
- Weight gain around the waist in men is not automatically thyroid-related. Diet, alcohol, sleep apnoea and inactivity are far more common explanations, so testing helps rule the thyroid in or out.
Thyroid and weight loss
An overactive thyroid (hyperthyroidism) produces the opposite pattern. Excess hormone raises BMR and energy expenditure, speeds up the gut and can reduce appetite, so unintentional weight loss is common, even when you eat normally. This loss includes both fat and lean muscle mass.
Why do I gain weight when hyperthyroidism is treated?
The ATA explains that hyperthyroidism is an abnormal state, so weight lost because of it is generally regained when the condition is treated. The Spanish study found exactly this: after thyroid levels were normalised, hyperthyroid patients gained on average about 2.9 kg (roughly 6.4 pounds). Regaining weight is therefore a sign of recovery, not a failure. It also helps to plan for it with a balanced diet and regular strength training. For the nutritional side of an overactive thyroid, see vitamin D and hyperthyroidism.
Weight change after treating hypothyroidism
The opposite can happen after starting levothyroxine. Since much of the original gain is salt and water, the ATA expects a small loss, usually less than 10% of body weight. In the same study, hypothyroid patients lost an average of about 2.25 kg (roughly 5 pounds) after treatment normalised their hormones.
The authors point out an important caveat: even after normalisation, most patients stayed in the overweight or obese range (58.8% of hypothyroid and 64.7% of hyperthyroid patients). That is why treating the thyroid is necessary but usually not enough for weight control on its own.
Thyroid and weight loss issues: why can’t I lose weight?
This is one of the most frustrating questions in thyroid care. The BTF notes that weight control is one of the biggest frustrations for many thyroid patients. Possible reasons include:
- Your thyroid is not yet optimally treated. If TSH is still abnormal, ask whether your dose needs adjusting. After any change, wait at least six to eight weeks before retesting.
- The thyroid was never the main cause. The study above found no association between untreated thyroid dysfunction and BMI at diagnosis. Other contributors to weight gain are likely to be more important.
- Gain developed over years. The ATA notes that hypothyroidism often develops slowly, so it is common to see no significant weight loss after successful treatment.
- Medicines. Corticosteroids, some antidepressants, antipsychotics and anticonvulsants can all increase weight.
- Poor absorption of levothyroxine. Calcium, iron, antacids and some foods can reduce absorption. Cleveland Clinic advises taking levothyroxine in the morning on an empty stomach.
- Other conditions. Insulin resistance, polycystic ovary syndrome, sleep problems and depression can all stall weight loss.
The reassuring part is the ATA statement that once your thyroid hormone levels return to the normal range, your ability to gain or lose weight is the same as in people without thyroid problems. A structured plan therefore works.
- Difficulty breathing or extreme drowsiness
- Very low body temperature or low blood pressure
- A very slow heartbeat
These can signal myxoedema, a life-threatening complication, according to Cleveland Clinic.
Thyroid and weight management
Good weight management with thyroid disease has five parts.
- Get the diagnosis right. Ask for TSH and free T4 at minimum. See our TFT guide to understand your numbers.
- Treat the thyroid properly. The usual treatment for an underactive thyroid is daily levothyroxine. Cleveland Clinic explains that it takes some trial and error to find the right dose, and that most people need it for life. Learn what options exist in how to cure thyroid problems.
- Be consistent with medication. Take it at the same time daily, away from calcium, iron and antacids.
- Build habits, not crash diets. Aim for gradual loss through balanced meals, protein at each meal, fibre, plenty of water, regular movement and good sleep.
- Review supplements carefully. Some products contain iodine or thyroid extracts that can upset your levels. Read our guide to a hypothyroid supplement before buying anything.
Also be realistic. If you have a nodule or enlarged gland alongside weight concerns, discuss it with your doctor. Our overview of how to remove thyroid nodules without surgery explains what to ask.
Thyroid and weight training
Strength training is one of the best tools for people with thyroid disease, because it protects and builds muscle, supports metabolism and counters fatigue. Cleveland Clinic and Palmetto Endocrinology both note that fatigue and aching muscles are common in hypothyroidism, and Palmetto adds that increasing physical activity can help counter tiredness even when low energy tempts you to avoid exercise.
If your thyroid is underactive
- Start with light weights and two or three sessions a week
- Add rest days, because muscle recovery can be slower
- Progress slowly and stop if you have unusual weakness or numbness
- Combine with walking to support circulation and mood
If your thyroid is overactive
- Get clearance first, since a fast heart rate or rhythm problem needs assessment
- Avoid maximal-effort lifting until levels are controlled
- Prioritise protein and calories to protect muscle
- Rebuild lean mass gradually after treatment
Muscle is metabolically active, so keeping it matters. The ATA also warns that thyroid hormone used for weight loss can cause loss of muscle protein, one more reason to rely on training and nutrition instead. Stop exercise and seek care if you develop chest pain, palpitations, fainting or severe breathlessness.
Thyroid and weight loss diet chart
No food cures a thyroid condition, and none of the reviewed sources recommends a special thyroid diet for weight loss. A practical diet chart simply supports medication, steady weight loss and nutrient needs. Use the sample below as a template, then personalise it with a dietitian. For a printable version, download our thyroid diet chart PDF and the fuller hypothyroidism diet plan PDF.
| Time | Sample choices | Notes |
|---|---|---|
| On waking | Levothyroxine with a glass of water | Empty stomach, as directed by your prescriber |
| Breakfast (30 to 60 min later) | Eggs or Greek yoghurt, oats or whole-grain toast, berries | Protein plus fibre to stay full |
| Mid-morning | Fruit and a handful of nuts | Brazil nuts provide selenium, but keep to one or two |
| Lunch | Grilled fish or chicken, cooked vegetables, brown rice or beans | Half the plate vegetables |
| Afternoon | Vegetable sticks with hummus, or plain yoghurt | Calcium-rich foods here, at least four hours after your tablet |
| Dinner | Baked or steamed fish, lentil soup or lean meat, salad, sweet potato | Moderate portions, finish a few hours before bed |
| All day | Water, herbal tea, limited sugary drinks | Fluids help with constipation |
Foods and habits to limit
- Sugary drinks, sweets and ultra-processed snacks, which add calories without filling you
- Soy products and calcium or iron supplements close to your levothyroxine dose, since they can reduce absorption
- High-dose iodine or kelp supplements, which can worsen thyroid disease
- Extreme calorie restriction, which often backfires and leaves you tired
Eating enough fibre, drinking water and staying active also help with the constipation that hypothyroidism can cause.
Thyroid and weight loss injections
This section goes beyond the supplied sources, which do not evaluate weight loss injections, so treat it as general information and confirm details with your prescriber. The BTF also publishes a dedicated FAQ on weight loss injections that is worth reading.
Thyroid hormone injections or tablets for weight loss: no
The ATA says excess thyroid hormone can produce more weight loss than dieting alone, but the weight is usually regained when it is stopped, and there may be significant negative effects, including loss of muscle protein. Pushing your dose high to lose weight is unlikely to change weight meaningfully and may cause other metabolic problems.
GLP-1 weight loss injections and the thyroid
Prescription injectable medicines such as semaglutide and tirzepatide are used for weight management. Points to discuss with your doctor:
- Thyroid cancer warning. These medicines carry a warning about thyroid C-cell tumours seen in animal studies. They are not recommended if you or a close relative have had medullary thyroid cancer, or if you have the inherited condition MEN 2.
- Hypothyroidism and Hashimoto’s are generally not an automatic barrier, but your prescriber should know your diagnosis and dose.
- Levothyroxine absorption. Slower stomach emptying or reduced eating may change how you absorb medicines, so your thyroid levels may need checking after starting.
- Neck lump, hoarseness, trouble swallowing or persistent neck pain should be reported promptly.
- Beware unregulated “thyroid” or “metabolism” injections sold online. They may contain unknown hormones or substances.
Never start, stop or combine weight loss injections with thyroid medication without medical supervision.
Frequently asked questions
Does thyroid cause weight gain in females?
An underactive thyroid can cause modest weight gain, mostly from fluid retention and a slower metabolism. Women are more likely to have thyroid disease, especially Hashimoto’s, and risk rises after menopause.
Can thyroid problems cause weight gain in men?
Yes. The mechanism is the same as in women. Thyroid disease is diagnosed less often in men, so weight gain, fatigue and muscle aches may be wrongly blamed on age or lifestyle.
How much weight can the thyroid cause you to gain?
According to the American Thyroid Association, around 5 to 10 pounds depending on severity, and mostly salt and water. Massive weight gain is rarely caused by hypothyroidism.
Will I lose weight after starting levothyroxine?
Often a little. Expect a small loss, usually less than 10% of body weight, and sometimes none, particularly if the gain developed over many years.
Why do I gain weight when hyperthyroidism is treated?
The weight lost because of the overactive thyroid is generally regained when hormone levels normalise. It is a sign that your metabolism is returning to normal.
Why can’t I lose weight with a thyroid condition?
Common reasons include untreated or under-treated thyroid disease, poor levothyroxine absorption, medicines, other conditions and long-standing habits. Once levels are normal, weight loss works as it does for anyone else.
Is weight training safe with thyroid disease?
Generally yes and beneficial, once your thyroid is controlled. With an overactive thyroid, check your heart rate and rhythm with a doctor first.
What should a thyroid weight loss diet chart include?
Protein, fibre, vegetables, fruit, whole grains and water, with levothyroxine taken on an empty stomach and calcium, iron and soy kept away from the dose. See our thyroid diet chart PDF.
Are weight loss injections safe with a thyroid condition?
It depends. They are not recommended with a history of medullary thyroid cancer or MEN 2, and levothyroxine may need monitoring. Decide only with your prescriber.
Can I take thyroid medicine to lose weight?
No. The ATA says any extra weight lost is usually regained and the treatment can cause muscle loss and other metabolic problems.
Conclusion
Thyroid disease and weight are linked, but the link is smaller and more complicated than the internet suggests. Low thyroid hormone can add a few pounds, mostly water, and high thyroid hormone can strip them away, and both often partly reverse with treatment. The best approach is to confirm your diagnosis with blood tests, take your medication consistently, and build sustainable habits around food, strength training and sleep. If you suspect your thyroid, start with the TFT guide, then explore treatment options and the hypothyroidism diet plan.
This article is for general education and is not medical advice, diagnosis or treatment. Always speak to a qualified healthcare professional before changing medication, starting weight loss medicines or beginning an exercise or diet programme.
Sources and further reading
Thyroid and weight, with metabolism included, are three entities that for sure have a noticeable and long-standing connection among themselves.
The thyroid gland, situated at the front of your neck, is there to help you produce hormones which are released into the blood and taken into each tissue of the body.
It’s these thyroid hormones that help your body to utilise energy, keep warm, as well as helping vital organs of your body like the heart, brain etc to keep working.
Meanwhile, metabolism defines the process by which your body converts food into energy, and it’s estimated by the amount of oxygen or energy utilised by your body within a time frame.
The term basal metabolic rate (BMR) also defines the estimation of the amount of oxygen or energy utilised when the body is at rest. BMR estimation is one of the previous tests being used to check the status of thyroid condition.
There’s a connection between the calories you consumed and the calories that your body make use of (this is called the energy balance), so BMR has observable effects on your energy balance.
The higher your BMR, the more calories your body burns resulting into loss of weight. On the other hand, when BMR is low, lesser calories are burned resulting into gain of weight.
When it also comes to thyroid dysfunction and conditions, high thyroid hormone levels increase BMR and low thyroid hormone levels reduce BMR.
This means that as an individual whose thyroid glands are not functioning well, it could be an indication that you have low BMRs, and also if you have over-active thyroid glands it could be an indication that you have high BMRs.
Although just BMR cannot unveil the full activity behind weight and thyroid. Many health professionals do not utilise BMR anymore especially because of the complication in the process of carrying out the test.
Moreso, this is also like that because BMR is subject to many other influences aside from the state of thyroid.
As the foundation of the relationship among thyroid conditions, weight and metabolism has been established here, this article will be giving you more insights and clarifications as regarding further connections.
What is the relationship between BMR and Weight?
To further get more understanding linking weight and metabolism, it had been observed that controlling your weight as an individual with thyroid dysfunction is one of the major frustrations that comes alongside your condition.
Basal metabolic rate (BMR) can vary depending on how your energy balance varies. Facts revealed that changes in levels of thyroid hormone results into changes in BMR, and should also leads to changes in energy balance as well as same changes in body weight.
Although the connection among metabolic rates, energy balance, and weight changes is quite complicated because you can also have other hormones (that are not thyroid hormones), proteins, as well as other chemicals that are very vital in influencing energy expenditure, food intake, and body weight.
So, since there are other factors that initiates transactions on both the brain centres that manage energy expenditure and tissue all through the body that manages energy expenditure and energy intake, making it complicated to ascertain the influence of altering only one of these factors (like thyroid hormone to be precise) on your entire body weight.
This is why it’s consequential and impossible to assume the influence of a changing thyroid state on your body weight as an individual.
What is the Relationship between Hypothyroidism and Weight?
As dependent on the extent of your hypothyroidism condition, weight gain of up to five to ten pounds is possible because you have the possibility of burning less calories than normal.
As an individual with hypothyroidism condition, the more severe your condition, the more weight you’re liable to gain. Although the weight gain in individuals with hypothyroidism condition often involves less drama as compared to hyperthyroidism condition.
What is the Relationship between Hyperthyroidism and Weight?
As dependent on the extent of your hyperthyroidism condition, weight loss is possible because you have the possibility of burning more calories than normal.
However, it’s also possible as an individual with hyperthyroidism to actually gain weight as well, since hyperthyroidism condition can increase your appetite which can leads to weight gain if you can eat well.
Why Do I Gain Weight When Hyperthyroidism Is Treated?
You can gain weight when you do not lose it since hyperthyroidism is associated with raised appetite and you might have added weight because of how more you’re eating.
Notwithstanding, even when you lose weight because of extra thyroid hormone, you can experience weight gain again when your thyroid levels return to normal.
How Does Treatment of Hypothyroidism Affect Weight?
While treating hypothyroidism, if your symptoms improved and your weight did not add up then it is not sure that the weight gain was just only because of thyroid. Your body will also go back to how it was before hypothyroidism as you treat your condition.
When you have successfully treated hypothyroidism and your thyroid levels are normal, you’ll definitely be able to gain or lose weight just like those who haven’t had thyroid issues before.
Can Thyroid Hormone be Used to Help Me Lose Weight?
In the past, thyroid hormones are always utilised in helping individuals to lose weight. Moreover, administering extra thyroid hormone causes very serious side effects that includes; anxiety, loss of muscle mass, insomnia, loss of bone mass, palpitations and so on.
Another serious side effect of taking extra thyroid hormone is heart rhythm issues; which results into increase in risk of stroke.
Meanwhile, when excess thyroid hormone is stopped, you’ll often regain back any weight that you may have lost.
Conclusion
Now that this article has helped you map out the connection among three entities (metabolism, thyroid and weight), you should now have an insight of the different possibilities of how the different thyroid issues or conditions can influence your weight as an individual.
Hence, know that once you have successfully treated your condition and your thyroid levels return to normal, your energy level will be balanced so as your normal body weight.
Thyroid and Weight
Thyroid and weight with metabolism inclusive are three entities that for sure has a noticeable and long standing connection among themselves.
The thyroid gland situated at the front of your neck is there to help you produce hormones which are released into the blood and taken into each tissue of the body.
It’s these thyroid hormones that help your body to utilise energy, keep warm, as well as helping vital organs of your body like heart, brain etc to keep working.
Meanwhile, metabolism defines the process by which your body converts food into energy, and it’s estimated by the amount of oxygen or energy utilised by your body within a time frame.
The term basal metabolic rate (BMR) also defines the estimation of the amount of oxygen or energy utilised when the body is at rest. BMR estimation is one of the previous tests being used to check the status of thyroid condition.
There’s a connection between the calories you consumed and the calories that your body make use of (this is called the energy balance), so BMR has observable effects on your energy balance.
The higher your BMR, the more calories your body burns resulting into loss of weight. On the other hand, when BMR is low, lesser calories are burned resulting into gain of weight.
When it also comes to thyroid dysfunction and conditions, high thyroid hormone levels increase BMR and low thyroid hormone levels reduce BMR.
This means that as an individual whose thyroid glands are not functioning well, it could be an indication that you have low BMRs, and also if you have over-active thyroid glands it could be an indication that you have high BMRs.
Although just BMR cannot unveil the full activity behind weight and thyroid. Many health professionals do not utilise BMR anymore especially because of the complication in the process of carrying out the test.
Moreso, this is also like that because BMR is subject to many other influences aside from the state of thyroid.
As the foundation of the relationship among thyroid conditions, weight and metabolism has been established here, this article will be giving you more insights and clarifications as regarding further connections.
What is the relationship between BMR and Weight?
To further get more understanding linking weight and metabolism, it had been observed that controlling your weight as an individual with thyroid dysfunction is one of the major frustrations that comes alongside your condition.
Basal metabolic rate (BMR) can vary depending on how your energy balance varies. Facts revealed that changes in levels of thyroid hormone results into changes in BMR, and should also leads to changes in energy balance as well as same changes in body weight.
Although the connection among metabolic rates, energy balance, and weight changes is quite complicated because you can also have other hormones (that are not thyroid hormones), proteins, as well as other chemicals that are very vital in influencing energy expenditure, food intake, and body weight.
So, since there are other factors that initiates transactions on both the brain centres that manage energy expenditure and tissue all through the body that manages energy expenditure and energy intake, making it complicated to ascertain the influence of altering only one of these factors (like thyroid hormone to be precise) on your entire body weight.
This is why it’s consequential and impossible to assume the influence of a changing thyroid state on your body weight as an individual.
What is the Relationship between Hypothyroidism and Weight?
As dependent on the extent of your hypothyroidism condition, weight gain of up to five to ten pounds is possible because you have the possibility of burning less calories than normal.
As an individual with hypothyroidism condition, the more severe your condition, the more weight you’re liable to gain. Although the weight gain in individuals with hypothyroidism condition often involves less drama as compared to hyperthyroidism condition.
What is the Relationship between Hyperthyroidism and Weight?
As dependent on the extent of your hyperthyroidism condition, weight loss is possible because you have the possibility of burning more calories than normal.
However, it’s also possible as an individual with hyperthyroidism to actually gain weight as well, since hyperthyroidism condition can increase your appetite which can leads to weight gain if you can eat well.
Why Do I Gain Weight When Hyperthyroidism Is Treated?
You can gain weight when you do not lose it since hyperthyroidism is associated with raised appetite and you might have added weight because of how more you’re eating.
Notwithstanding, even when you lose weight because of extra thyroid hormone, you can experience weight gain again when your thyroid levels return to normal.
How Does Treatment of Hypothyroidism Affect Weight?
While treating hypothyroidism, if your symptoms improved and your weight did not add up then it is not sure that the weight gain was just only because of thyroid. Your body will also go back to how it was before hypothyroidism as you treat your condition.
When you have successfully treated hypothyroidism and your thyroid levels are normal, you’ll definitely be able to gain or lose weight just like those who haven’t had thyroid issues before.
Can Thyroid Hormone be Used to Help Me Lose Weight?
In the past, thyroid hormones are always utilised in helping individuals to lose weight. Moreover, administering extra thyroid hormone causes very serious side effects that includes; anxiety, loss of muscle mass, insomnia, loss of bone mass, palpitations and so on.
Another serious side effect of taking extra thyroid hormone is heart rhythm issues; which results into increase in risk of stroke.
Meanwhile, when excess thyroid hormone is stopped, you’ll often regain back any weight that you may have lost.
Conclusion
Now that this article has helped you map out the connection among three entities (metabolism, thyroid and weight), you should now have an insight of the different possibilities of how the different thyroid issues or conditions can influence your weight as an individual.
Hence, know that once you have successfully treated your condition and your thyroid levels return to normal, your energy level will be balanced so as your normal body weight.
Thyroid and Weight
Thyroid and weight with metabolism inclusive are three entities that for sure has a noticeable and long standing connection among themselves.
The thyroid gland situated at the front of your neck is there to help you produce hormones which are released into the blood and taken into each tissue of the body.
It’s these thyroid hormones that help your body to utilise energy, keep warm, as well as helping vital organs of your body like heart, brain etc to keep working.
Meanwhile, metabolism defines the process by which your body converts food into energy, and it’s estimated by the amount of oxygen or energy utilised by your body within a time frame.
The term basal metabolic rate (BMR) also defines the estimation of the amount of oxygen or energy utilised when the body is at rest.
BMR estimation is one of the previous tests being used to check the status of thyroid condition.
There’s a connection between the calories you consumed and the calories that your body make use of (this is called the energy balance), so BMR has observable effects on your energy balance.
The higher your BMR, the more calories your body burns resulting into loss of weight.
On the other hand, when BMR is low, lesser calories are burned resulting into gain of weight.
When it also comes to thyroid dysfunction and conditions, high thyroid hormone levels increase BMR and low thyroid hormone levels reduce BMR.
This means that as an individual whose thyroid glands are not functioning well, it could be an indication that you have low BMRs, and also if you have over-active thyroid glands it could be an indication that you have high BMRs.
Although just BMR cannot unveil the full activity behind weight and thyroid.
Many health professionals do not utilise BMR anymore especially because of the complication in the process of carrying out the test.
Moreso, this is also like that because BMR is subject to many other influences aside from the state of thyroid.
As the foundation of the relationship among thyroid conditions, weight and metabolism has been established here, this article will be giving you more insights and clarifications as regarding further connections.
What is the relationship between BMR and Weight?
To further get more understanding linking weight and metabolism, it had been observed that controlling your weight as an individual with thyroid dysfunction is one of the major frustrations that comes alongside your condition.
Basal metabolic rate (BMR) can vary depending on how your energy balance varies.
Facts revealed that changes in levels of thyroid hormone results into changes in BMR, and should also leads to changes in energy balance as well as same changes in body weight.
Although the connection among metabolic rates, energy balance, and weight changes is quite complicated because you can also have other hormones (that are not thyroid hormones), proteins, as well as other chemicals that are very vital in influencing energy expenditure, food intake, and body weight.
So, since there are other factors that initiates transactions on both the brain centres that manage energy expenditure and tissue all through the body that manages energy expenditure and energy intake, making it complicated to ascertain the influence of altering only one of these factors (like thyroid hormone to be precise) on your entire body weight.
This is why it’s consequential and impossible to assume the influence of a changing thyroid state on your body weight as an individual.
What is the Relationship between Hypothyroidism and Weight?
As dependent on the extent of your hypothyroidism condition, weight gain of up to five to ten pounds is possible because you have the possibility of burning less calories than normal.
As an individual with hypothyroidism condition, the more severe your condition, the more weight you’re liable to gain.
Although the weight gain in individuals with hypothyroidism condition often involves less drama as compared to hyperthyroidism condition.
What is the Relationship between Hyperthyroidism and Weight?
As dependent on the extent of your hyperthyroidism condition, weight loss is possible because you have the possibility of burning more calories than normal.
However, it’s also possible as an individual with hyperthyroidism to actually gain weight as well, since hyperthyroidism condition can increase your appetite which can leads to weight gain if you can eat well.
Why Do I Gain Weight When Hyperthyroidism Is Treated?
You can gain weight when you do not lose it since hyperthyroidism is associated with raised appetite and you might have added weight because of how more you’re eating.
Notwithstanding, even when you lose weight because of extra thyroid hormone, you can experience weight gain again when your thyroid levels return to normal.
How Does Treatment of Hypothyroidism Affect Weight?
While treating hypothyroidism, if your symptoms improved and your weight did not add up then it is not sure that the weight gain was just only because of thyroid.
Your body will also go back to how it was before hypothyroidism as you treat your condition.
When you have successfully treated hypothyroidism and your thyroid levels are normal, you’ll definitely be able to gain or lose weight just like those who haven’t had thyroid issues before.
Can Thyroid Hormone be Used to Help Me Lose Weight?
In the past, thyroid hormones are always utilised in helping individuals to lose weight.
Moreover, administering extra thyroid hormone causes very serious side effects that includes; anxiety, loss of muscle mass, insomnia, loss of bone mass, palpitations and so on.
Another serious side effect of taking extra thyroid hormone is heart rhythm issues; which results into increase in risk of stroke.
Meanwhile, when excess thyroid hormone is stopped, you’ll often regain back any weight that you may have lost.
Conclusion
Now that this article has helped you map out the connection among three entities (metabolism, thyroid and weight), you should now have an insight of the different possibilities of how the different thyroid issues or conditions can influence your weight as an individual.
Hence, know that once you have successfully treated your condition and your thyroid levels return to normal, your energy level will be balanced so as your normal body weight.