Are you always hungry and have Hashimoto’s hypothyroidism? Consider leptin resistance

always hungry leptin resistance

You would think people who are overweight or obese would never feel hungry—after all, they have all that extra fat to burn. But in a cruel twist of metabolic trickery, carrying excess fat can actually make you hungrier thanks to a phenomenon called leptin resistance.

For people with Hashimoto’s hypothyroidism this is double bad news as inappropriately managed hypothyroidism promotes weight gain and makes it difficult to lose weight.

What is leptin?

Leptin is a “satiety” hormone secreted by fat cells that tells the brain when you have had enough to eat. Eating causes the secretion of leptin, which signals that the stomach is full and it’s time to stop eating. Between meals or during long periods without food, leptin levels drop, triggering hunger and motivating you to eat and replenish the body’s energy stores.

Leptin resistance causes you to always feel hungry

Because fat cells secrete leptin, overweight and obese people should never feel hungry. Unfortunately, the reverse happens. Excess fat secretes too much leptin, bombarding leptin receptors on cells. Eventually these cells become overwhelmed and shut down their leptin receptors to protect themselves. This is called leptin resistance—leptin can no longer get into the cells to deliver their message that the stomach is full and it’s time to stop eating.

Hence the leptin-resistant person always feels hungry and is prone to overeat, even if she or he is carrying plenty of fat. In addition to causing chronic hunger, leptin resistance doubly vexes the overweight person by promoting fat storage and making it tough to lose weight.

Leptin serves other roles beyond hunger and satiety. It is also important for fertility, libido, and puberty. Leptin resistance could explain why obese girls are 80 percent more likely to start puberty earlier than girls of normal weight.

Leptin resistance and Hashimoto’s hypothyroidism

For the person trying to manage Hashimoto’s hypothyroidism, leptin resistance is a primary concern because it signals a blood sugar imbalance. Hashimoto’s hypothyroidism is an autoimmune disease in which the immune system attacks and destroys the thyroid gland. Blood sugar disorders exacerbate autoimmune reactions, which can flare up your autoimmune thyroid condition, or make it difficult to manage. When managing your autoimmune Hashimoto’s hypothyroidism, it’s important to balance blood sugar and address conditions such as leptin resistance.

High triglycerides block leptin

High triglycerides have been shown to block leptin. Diets high in alcohol, sugars and carbohydrate-rich foods, such as breads, pasta, rice, and potatoes, raise triglycerides considerably. High triglycerides have been shown to block the ability of leptin to pass into the brain to tell it you’re full.

A person with Hashimoto’s hypothyroidism should be wary of diets heavy in grains—studies link gluten intolerance with Hashimoto’s hypothyroidism and many people have sensitivities to grains other than wheat, such as corn.

Diet can reverse leptin resistance and chronic hunger; help manage Hashimoto’s hypothyroidism

The key to unwinding leptin resistance is to adopt a diet that will restore leptin sensitivity. The eating habits that typically lead to being overweight or obese—overeating and eating too many sweets and starchy foods, processed foods, and foods fried in industrialized fats—also lead to leptin resistance, high triglycerides, and hence the feeling of always being hungry.

This kind of diet also exacerbates immune imbalances and autoimmune disease, such as Hashimoto’s hypothyroidism.

To restore leptin sensitivity, diminish chronic hunger, release excess fat, and better manage your Hashimoto’s hypothyroidism, consider the following leptin facts and begin making the changes you need to your own diet and lifestyle.

  • Regular exercise, particularly strength training and interval training, lowers leptin.
  • Sugar, corn syrup, and high fructose corn syrup found in sweets and sodas make the brain resistant to leptin. Sweets also raise triglycerides so leptin can’t reach the brain.
  • Healthy fats activate leptin’s satiety switch. Eat coconut oil, butter, ghee, olive oil, avocado, salmon, etc. as part of a lower-carb diet.
  • Omega-3 fatty acids regulate leptin sensitivity. Ask your practitioner whether a fish or krill oil supplement may help you.
  • Overeating causes leptin resistance. Ditch the sodas, sweets, processed foods, and high-carbohydrate foods, which trigger cravings in many people. Healthy fats and sufficient protein curb cravings. Consider hypnotherapy, acupuncture, or other tools to address an eating disorder that may cause you to overeat.

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