How to Trick Your Thyroid to Lose Weight

Figuring out how to trick your thyroid to lose weight is not as much a trick as it is to understanding how your thyroid works. There are several modifications that you can make to both your diet and lifestyle that can make a difference in your results when trying to lose weight.

The thyroid gland is a small, butterfly-shaped gland that sits in your neck and controls metabolism and energy throughout your body. When your thyroid is not functioning properly, it can be difficult to lose weight no matter how much effort you put in.

Nutritional support for the thyroid gland is essential for its optimal functioning. Antioxidant-rich and nutrient-dense foods in your diet can help nourish and support thyroid function.

Thyroid-Friendly Foods for Weight Loss

Eggs are rich in selenium, iodine, and B vitamins making them ideal for nourishing the thyroid gland. Selenium, in particular, is crucial for thyroid hormone metabolism. It helps convert the inactive thyroid hormone T4 into the active form T3.

Thyroid and Weight

T3 plays a significant role in regulating metabolism and body temperature. Eggs are also rich in amino acids that support healthy thyroid function.

Nuts are an excellent source of selenium and zinc that support healthy thyroid function. Brazil nuts, in particular, are a powerhouse of selenium. Just two Brazil nuts a day can help meet your daily selenium requirement.

Zinc, on the other hand, is crucial for thyroid hormone synthesis. Cashews, almonds, and pumpkin seeds are also rich in zinc.

Fish like salmon, mackerel, and sardines are excellent sources of omega-3 fatty acids, iodine, and selenium. These nutrients are crucial for the thyroid gland’s optimal functioning.

Iodine, in particular, is an essential nutrient for thyroid hormone production. Wild-caught fish not only provide essential nutrients but also help reduce inflammation and oxidative stress, both of which can harm the thyroid gland.

Vegetables like broccoli, kale, spinach, and Brussels sprouts are great sources of antioxidants and nutrients that support thyroid health. These vegetables contain sulforaphane, a compound that helps reduce oxidative stress and supports the body’s detoxification process.

They also contain essential vitamins and minerals such as vitamin C, vitamin A, iodine, and zinc that support thyroid function.

Fruits like berries, citrus fruits, and pomegranates are high in antioxidants that help reduce oxidative stress and inflammation. They are also rich in vitamins and minerals like vitamin C, which support the immune system and help reduce inflammation. Fruits are an excellent addition to a healthy thyroid diet.

Hypothyroidism is a condition where the thyroid gland doesn’t produce enough hormones, which can slow down your metabolism and make it difficult to lose weight. People with hypothyroidism may experience other symptoms such as fatigue, depression, and cold intolerance.

Despite eating a healthy diet and exercising regularly, hypothyroidism can make it challenging to maintain a healthy weight. If you suspect you have an underactive thyroid gland, it’s important to consult with your healthcare provider for proper diagnosis and treatment.

Hyperthyroidism is a condition where the thyroid gland produces too much hormone, which can speed up metabolism and cause weight loss.

While weight loss may seem like a positive outcome, hyperthyroidism can come with other symptoms such as anxiety, tremors, and difficulty sleeping. Individuals with hyperthyroidism should seek medical advice and develop a healthy eating plan and exercise routine to maintain a healthy weight.

Unhealthy foods for your thyroid.

Foods That Rob Energy When You Have Hypothyroidism


Every once in a while, indulging in a glass of wine or an alcoholic beverage is not harmful. However, excessive alcohol intake can wreak havoc on your system.

If you have hypothyroidism, alcohol can be especially troublesome. Not only can it inhibit thyroid function, but it can also interfere with the absorption of your medication, which can make your symptoms worse. Additionally, alcohol can disrupt your sleep patterns, which can further drain your energy levels.

Simple Carbohydrates

Foods high in simple carbohydrates can cause a spike in your blood sugar levels, which can cause your body to release more insulin. This insulin release can lead to a drop in blood sugar levels which can leave you feeling drained and fatigued.

Juice, Soda, and Other Sweet Drinks

Sweet drinks like juice and soda can cause a spike in your blood sugar levels which can lead to the same insulin response that we talked about earlier. This, in turn, can leave you feeling tired.

Caffeinated Drinks

While caffeine can give you a quick boost of energy, it can also disrupt your sleep patterns and cause you to feel more tired in the long run. Caffeine is a stimulant that causes an increase in cortisol production which triggers your body’s “fight or flight” response.

This can lead to feelings of anxiety and PH imbalance, particularly if you have a condition like hypothyroidism. Additionally, caffeine can interfere with the absorption of your thyroid medication which can make your symptoms worse.

High-Fat Meats

High-fat meats like bacon, sausage, and beef can be hard for your body to digest and can leave you feeling sluggish and drained. Additionally, these meats can raise your cholesterol levels and increase your risk for heart disease which can make your hypothyroidism symptoms even worse.

Best Fats for Losing Weight

Since hypothyroidism affects metabolism, the conversion of energy takes longer which can lead to weight gain.

Processed Foods

Processed foods like chips, burgers, and pizzas are convenient, but loaded with chemicals and refined sugars that lead to inflammation and nutrient deficiencies. These foods can be hard for your body to digest and can interfere with the absorption of your medication.

The thyroid gland is sensitive to inflammation and can lead to more significant impacts on your thyroid hormone production.

How to Support a Healthy Thyroid

To support a healthy thyroid and promote weight loss, try incorporating these tips into your lifestyle:

  • Eat a well-balanced diet rich in nutrients, including iodine, selenium, and zinc to support thyroid function.
  • Engage in regular physical activity to boost metabolism and maintain a healthy weight.
  • Manage stress effectively, as stress can negatively impact thyroid function.
  • Get enough sleep, as lack of sleep can affect metabolism and hormone production.

Stress is a significant yet overlooked factor that can disrupt thyroid function in several ways. Stress hormones such as cortisol and adrenaline can interfere with the production, conversion, and utilization of thyroid hormones.

Cortisol can inhibit the conversion of T4 (the inactive form of thyroid hormone) to T3 (the active form), leading to a condition called “reverse T3 dominance,” where excess T4 is converted to the inactive form rather than the active form, leading to hypothyroid symptoms.

Stress can increase inflammation and oxidative stress, which can damage the thyroid gland and impair its function. Finally, stress can also disrupt the HPA (hypothalamus-pituitary-adrenal) axis, which controls the release of hormones involved in thyroid regulation. Therefore, stress reduction is an essential aspect of maintaining optimal thyroid health.

One of the most effective relaxation techniques for managing stress and improving thyroid function is meditation. Meditation involves focusing your attention on a specific object, thought, or activity to increase mindfulness and reduce anxiety.

Several studies have shown that meditation can lower cortisol levels, reduce inflammation, and improve thyroid function. One study found that women with hypothyroidism who practiced meditation for six months had significant improvements in thyroxine (T4) levels and decreased markers of oxidative stress.

Other relaxation techniques that have been shown to benefit thyroid health include deep breathing, progressive muscle relaxation, guided imagery, and yoga.

Yoga is an excellent exercise for improving stress adaptation and thyroid function. Yoga combines physical postures with breathing exercises and meditation to promote relaxation and reduce stress.

Many yoga poses, such as the shoulder stand and fish pose, stimulate the thyroid gland, improving circulation and function. Additionally, yoga can improve insulin sensitivity, which is linked to thyroid function, and reduce inflammation and oxidative stress.

A 2014 study found that women with hypothyroidism who practiced yoga for six months had significant improvements in thyroid-stimulating hormone (TSH) levels, T4 levels, and quality-of-life measures compared to those who did not practice yoga.

Female doctor checking thyroid on a patient.

Symptoms of Hypothyroidism

One of the most common symptoms of hypothyroidism is constant fatigue and weakness. You may feel tired even after getting enough sleep.

You may also notice a decrease in physical stamina and energy levels. This is because thyroid hormones play a crucial role in regulating metabolism, which affects the body’s energy production. When there are low levels of thyroid hormones, the body’s energy production decreases, leading to feelings of fatigue and weakness.

Another common symptom of hypothyroidism is weight gain, which can be perplexing because you may not be overeating. The low levels of thyroid hormones affect the body’s ability to burn calories and regulate metabolism, making it more difficult to lose weight. Moreover, the sluggish metabolism that results may lead to increased accumulation of fat in the body.

Hypothyroidism can affect the health of your skin and hair. When the thyroid gland doesn’t produce enough hormones, it leads to decreased sweating, which can cause dry skin. Additionally, the lack of thyroid hormones can affect hair growth and cause hair to become thin and brittle, leading to hair loss.

Constipation occurs when the digestive system doesn’t work correctly. Hypothyroidism can cause digestive problems that lead to constipation.

The low levels of thyroid hormones affect the digestive muscles, leading to intestinal blockages and constipation. If constipation persists, it’s essential to seek medical attention because it could lead to more severe problems.

Hypothyroidism can also affect mental health. Your mental health is crucial to overall wellness and has to be examined. You may experience depression, difficulty concentrating, and forgetfulness when suffering from hypothyroidism.

These symptoms may be misdiagnosed as cognitive or psychological problems, which is why it’s essential to undergo thyroid function tests when these symptoms are present.

Critical Role of Iodine in Thyroid Function for Weight Loss

Let’s begin by understanding the role iodine plays in the body. Iodine is a mineral that is essential for the production of thyroid hormones. The thyroid gland converts iodine into two primary hormones: thyroxine (T4) and triiodothyronine (T3).

These hormones help regulate numerous bodily functions, including metabolism, heart rate, body temperature, and more. Without enough iodine, the thyroid gland may not function properly, leading to a range of health issues, including weight gain, fatigue, and depression.

So, how much iodine do you need? The recommended daily intake of iodine for adults is 150 micrograms (mcg). Pregnant and breastfeeding women require higher amounts, up to 290 mcg per day. Unfortunately, iodine deficiency is a global problem, with an estimated two billion people at risk of not getting enough iodine.

The World Health Organization (WHO) reports that iodine deficiency is the leading preventable cause of intellectual and developmental disabilities in the world.

To prevent iodine deficiency, it’s important to include iodine-rich foods in your diet. Some of the best sources of iodine include seafood (such as fish, shrimp, and seaweed), dairy products (such as milk, cheese, and yogurt), and iodized salt.

However, it’s important to note that not all salt is iodized, so be sure to check the label when shopping for salt.

It’s also worth considering supplementation if you’re at risk of iodine deficiency. Iodine supplements are available in various forms, including tablets, capsules, and liquid droppers.

It is essential to consult with your doctor before taking iodine supplements, as too much iodine can be harmful.

It’s also important to note that iodine deficiency is not the only factor that can lead to thyroid dysfunction. Other factors, such as stress, nutrient deficiencies, and autoimmune disorders, can also affect thyroid function and lead to weight gain.

Therefore, it is smart to address any underlying issues and maintain a healthy lifestyle to support optimal thyroid function and weight loss.

Role of Thyroid Hormones in Obesity

Research studies suggest that thyroid hormones play a crucial role in the regulation of body weight. The hormones are responsible for affecting various physiological processes related to appetite, energy expenditure, and metabolism.

The thyroid hormones T3 and T4 play a primary role in regulating basal metabolic rate, which is the number of calories the body needs to function optimally. Low levels of thyroid hormones can lead to a slower metabolism leading to weight gain. In contrast, an overactive thyroid gland can lead to weight loss due to an increased metabolic rate.

Metabolism: Converting Food into Energy

Thyroid hormones also influence the regulation of appetite. The hormones play a crucial role in modulating satiety and hunger by regulating the production of various neurotransmitters and hormones that signal satiety and hunger.

Low levels of thyroid hormones can lead to increased hunger and cravings leading to overeating and eventual weight gain. In contrast, high levels of thyroid hormones can decrease appetite, leading to weight loss.

Research studies suggest that understanding the relationship between thyroid hormones and obesity can aid in developing more effective treatment options for people with thyroid disorders and obesity.

In cases where obesity is caused by low thyroid hormone levels, physicians may prescribe synthetic thyroid hormones to boost the levels of T3 and T4 in the body.

This treatment is likely to help in weight loss. However, the effectiveness of this treatment varies based on other factors such as age, sex, and lifestyle.

Exercise Tips for Treating Hypothyroidism and Losing Weight

  • Cardiovascular Exercise
  • Resistance Training
  • Yoga
  • Pilates
  • Tai Chi
  • Circuit Training
  • Walking

Weight Loss Tips

Cardio exercises are excellent for weight loss. They help to raise your heart rate, improve breathing, and burn calories. People with hypothyroidism can benefit from moderate-intensity activities such as jogging, cycling, and swimming.

Cardo will help boost your metabolism, improve blood circulation, and increase your energy levels. Make sure to start slowly and gradually increase your workload, as over-exercising can be detrimental to your health and worsen any existing hypothyroidism symptoms.

Resistance training or weightlifting is another great exercise to promote weight loss in people with hypothyroidism. Resistance training helps build muscle mass, which boosts your metabolism and promotes calorie burning.

Increasing muscle mass also enhances your body’s ability to burn extra calories even when you’re at rest.

Yoga is an excellent exercise for individuals with hypothyroidism, as it promotes stress reduction and enhances flexibility. It relaxes your body and mind, which can reduce cortisol levels and help prevent weight gain.

Regular yoga practice, combined with a healthy diet can help you lose weight healthily and safely.

Exercises to Lose Belly Fat

Pilates is a low-impact exercise that strengthens your core muscles. It is an excellent exercise for people with hypothyroidism as it helps tone your muscles without placing too much pressure on your joints.

By strengthening your core muscles, you can improve your posture, reduce back pain, and prevent injury during other activities.

Tai Chi is a low-impact, meditative exercise that focuses on slow, deliberate movements. It is an excellent exercise for people with hypothyroidism as it promotes relaxation and stress reduction. It also improves muscle strength, flexibility, and balance, contributing to weight loss.

Circuit training is a combination of resistance and cardiovascular training that can offer an excellent workout for people with hypothyroidism. Circuit training involves performing a set of exercises in a sequence with minimal rest in between.

This type of exercise helps to build strength, burn calories, and improve cardiovascular endurance. Circuits can be done with or without weights and can include mountain climbers, squats, push-ups, lunges, and more.

It is always best to consult your doctor or a certified personal trainer before beginning any workout routine.

Walking is one of the easiest and best exercises for hypothyroidism. It is a low-impact activity that does not put too much pressure on the joints. Walking can help to boost your metabolism, reduce stress levels, and improve cardiovascular health.

It can also be an enjoyable way to get outside, connect with nature, and explore new walking trails. Aim to walk at least 30 minutes a day, preferably in the morning or late afternoon when the sun is not too hot.

Tamar Rothenberg, MS, RDN

Registered Dietitian Nutritionist

Beverly Hills Registered Dietitian Nutritionist (

California State University, Los Angeles

Can Weight Loss Affect TSH Levels?

There are some changes that occur in the body when losing weight and some of these changes can potentially affect your thyroid hormone levels, particularly the Thyroid Stimulating Hormone (TSH) levels.

Thyroxine, or T4, is the primary hormone secreted by the thyroid gland, while TSH is a hormone secreted by the pituitary gland that helps regulate the secretion of thyroxine.

A decrease in T4 levels signals the pituitary gland to secrete more TSH to regulate and stimulate the thyroid gland to produce more T4. On the other hand, a high T4 level signals the pituitary gland to decrease the production of TSH. This feedback mechanism is important in maintaining a healthy balance of thyroid hormones in the body.

The Role of Nutrition in Longevity

Weight loss can actually affect this feedback mechanism, which can lead to alterations in TSH levels. Studies have shown that a significant weight loss of at least 10% of a person’s body weight can result in a decrease in T4 levels and an increase in TSH levels.

This is because, during the process of weight loss, there is a decrease in the levels of leptin, a hormone secreted by fat cells. Leptin, in turn, affects the secretion of thyroid hormones. When there is a decrease in leptin levels, there is a decrease in T4 levels, which in turn stimulates the pituitary gland to secrete more TSH.

The increase in TSH levels during weight loss can be temporary or permanent, depending on the individual’s circumstances. For those who are overweight or obese before losing weight, the increase in TSH levels is often temporary and may return to normal as the body adjusts to the weight loss.

However, for individuals with pre-existing thyroid conditions or who have a genetic predisposition to hypothyroidism, the increase in TSH levels during weight loss may become permanent, leading to hypothyroidism.

To avoid this problem altogether, individuals who are planning to lose weight should also consider monitoring their thyroid hormone levels, particularly their TSH levels. This can be done through regular blood tests. It is also recommended to inform your doctor about your weight loss journey and have your thyroid hormones checked regularly during this time. If there is a significant alteration in your TSH levels, your doctor may adjust your thyroid hormone medication accordingly.

Hypothyroidism in the United States

In the United States, approximately 4.6% of the population over the age of 12 has hypothyroidism according to recent studies by the American Thyroid Association. Around 12 million Americans have been diagnosed with the condition.

However, it is worth noting that there may be many other people who have not been diagnosed but are living with hypothyroidism. Hypothyroidism can mimic other conditions and go unnoticed for years making it difficult to pinpoint the exact number of individuals impacted.

While hypothyroidism affects people of all ages and genders, it is more common in women and older adults. The same study by the American Thyroid Association found that women were five to eight times more likely to have the condition than men.

Additionally, individuals over the age of 60 were more likely to be diagnosed with hypothyroidism, with the prevalence increasing with age.

Hypothyroidism’s prevalence varies by race and ethnicity with the condition being more common in the White, Hispanic, and Asian populations than in Black and Native American populations.

However, the reasons for these differences are still unclear, and ongoing research aims to understand why race and ethnicity play a role in the prevalence of hypothyroidism.

Several factors may increase an individual’s risk for hypothyroidism. These include having a family history of the condition, having autoimmune disorders, such as type 1 diabetes or celiac disease, and undergoing thyroid surgery or radiation treatment.

Thyroid Dysfunction and Body Weight

Thyroid dysfunction is a condition that develops when the thyroid gland is under-active (hypothyroidism) or overactive (hyperthyroidism).

In the case of hypothyroidism, the thyroid gland is not producing enough hormones to meet the body’s needs, and as a result, the metabolism slows down, leading to weight gain. In contrast, hyperthyroidism causes the thyroid gland to produce excessive amounts of hormones, leading to accelerated metabolism and subsequently, weight loss.

Low thyroid function results in weight gain, which can be confusing for some people who may have otherwise maintained their weight effortlessly in the past.

Hypothyroidism leads to weight gain due to a slowed-down metabolism. Without adequate thyroid hormone, the body is not processing food and calories in the same way, leading to a buildup of excess fat. Weight gain can also cause a vicious cycle as the body becomes more resistant to insulin, leading to increased cortisol levels, a hormone linked to fat accumulation.

Early diagnosis and prompt medical intervention are critical in managing thyroid dysfunction and its associated weight issues. If you suspect you have a thyroid gland issue, the first step is to get a proper diagnosis from a licensed medical practitioner.

Treatment may involve hormone replacement therapy or antithyroid medication, as advised by your doctor. Adopting healthy lifestyle changes such as regular exercise and balanced meals also helps reduce the risk of thyroid dysfunction and its symptoms.

How Many Calories Should I Eat to Lose Weight with Hypothyroidism?

To lose weight with hypothyroidism, you need to create a calorie deficit, which means burning more calories than you consume. However, it is important not to reduce your calorie intake too drastically, as this can slow down your metabolism even further.

A good starting point is to calculate your daily calorie needs using a calorie calculator. This will give you an estimate of how many calories you need to maintain your current weight, based on your age, gender, weight, height, activity level, and other factors. To lose weight, you should aim to consume about 500 to 1000 calories less than this amount per day.

Tips for Thyroid Patients

Understand Your Basal Metabolic Rate (BMR)

Before you can determine how many calories to eat a day to lose weight with hypothyroidism, you need to understand your BMR. Your BMR is the number of calories your body needs to perform basic functions such as breathing, circulating blood, and regulating your body temperature.

Pros and Cons of BMI, Calorie, Body Fat, BMR, and Ideal Weight Calculators

Your BMR accounts for about 60-70% of the total calories you burn per day.

You can easily calculate your BMR using an online BMR calculator. Once you know your BMR, you can determine how many calories you need to cut from your diet to lose weight.

A safe and healthy rate of weight loss is typically 1-2 pounds per week, which means you need to create a calorie deficit of 500-1,000 calories per day.

Meal Planning and Macronutrient Balance

While counting calories is important, it is also important to pay attention to the quality of the foods you eat. This means choosing foods that are nutrient-dense and high in protein, fiber, healthy fats, and complex carbohydrates.

When planning your meals, aim for a balanced mix of carbohydrates, protein, and fat, with a focus on whole foods such as vegetables, fruits, lean meats, fish, nuts, seeds, and legumes.

Avoid highly processed foods, sugary drinks, and alcohol, which can sabotage your weight loss efforts.

Consider Your Activity Level

Your activity level is another factor to consider when determining how many calories to eat a day to lose weight with hypothyroidism.

If you are physically active or exercise regularly, you burn more calories than someone who is sedentary. The more active you are, the more calories you burn and the easier it is to create a calorie deficit.

However, be careful not to cut your calories too low. Consuming too few calories can slow down your metabolism and make it harder to lose weight. As a general rule, women should never consume fewer than 1,200 calories a day and men should never consume fewer than 1,500 calories a day.

Monitor Your Macronutrient Intake

Remember that not all calories are created equal. Your macronutrient intake plays a critical role in weight loss and overall health. A balanced diet that’s rich in protein, complex carbs, and healthy fats can help you lose weight more effectively than a diet that’s high in processed food, sugar, and simple carbs.

Protein is especially important for people with hypothyroidism because it helps build and repair tissues, boost metabolism, and control hunger. Aim to consume at least 0.8-1 gram of protein per pound of body weight per day.

Complex carbs such as whole grains, vegetables, and fruits give your body the energy it needs to function optimally while healthy fats are essential for hormone production, brain function, and heart health.

Consult with Your Doctor or Nutritionist

It’s always a good idea to consult with your healthcare provider or a registered nutritionist to determine how many calories you should eat a day to lose weight with hypothyroidism.

They can help you create a personalized meal plan that meets your calorie and nutrient needs taking into account your hypothyroidism, activity level, and other factors that influence weight loss.

Are you trying to figure out how to trick your thyroid to lose weight? You are not alone. We discuss thyroid-friendly foods, exercise tips, and more.

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