Best thyroid supplements for weight loss
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Best Thyroid Supplements for Weight Loss
Introduction to Thyroid Supplements and Weight Loss
Thyroid supplements are often marketed as aids for weight loss due to their role in regulating metabolism. However, the efficacy and safety of these supplements can vary significantly. This article synthesizes recent research on various thyroid supplements and their impact on weight loss.
Tiratricol: Risks and Side Effects
Tiratricol, an over-the-counter thyroid supplement, has been marketed as a metabolic accelerator and fat loss aid. However, studies have shown that it can induce hypothyroidism. In one case, two adults experienced lethargy, loss of appetite, and muscle weakness after taking tiratricol, which led to abnormal thyroid hormone levels. Discontinuation of the supplement eventually normalized their thyroid levels, but it took several months for full recovery. This suggests that tiratricol may pose significant health risks and should be used with caution.
Triiodothyronine (T3) Supplementation
Triiodothyronine (T3) supplementation has been studied in the context of a low-calorie diet. Research indicates that while T3 can maintain weight loss during severe calorie restriction, it may also lead to inappropriate thyroid hormone levels and potential side effects. Despite these changes, no signs of hyperthyroidism were observed, and the well-being of subjects remained stable. This suggests that T3 supplementation might help sustain weight loss but requires careful monitoring of thyroid function.
Zinc and Selenium Co-Supplementation
Zinc and selenium are essential trace elements involved in thyroid hormone metabolism. A randomized, double-blind, placebo-controlled trial found that co-supplementation of zinc and selenium increased resting metabolic rate (RMR) and improved functional capacity in overweight and obese individuals. However, thyroid function and body composition did not show significant changes. Another study indicated that zinc alone or in combination with selenium could positively affect thyroid function in overweight or obese hypothyroid females. These findings suggest that zinc and selenium may support metabolic health and thyroid function, potentially aiding in weight loss.
Ginger Supplementation
Ginger has been explored for its potential benefits in relieving persistent hypothyroid symptoms. A clinical trial demonstrated that ginger supplementation significantly improved symptoms such as weight gain, cold intolerance, and dry skin. Additionally, it led to reductions in body weight, body mass index (BMI), and waist circumference. These results indicate that ginger may be a beneficial supplement for managing hypothyroid symptoms and supporting weight loss.
Dietary Supplements Containing Thyroid Hormones
A study analyzing dietary supplements found that many products marketed for thyroid health contained quantifiable amounts of thyroid hormones like T4 and T3. These supplements can have significant effects on thyroid function and metabolism, but they also carry the risk of adverse events. Consumers should be cautious and consult healthcare providers before using such supplements.
Conclusion
While some thyroid supplements like T3, zinc, selenium, and ginger show potential benefits for weight loss and thyroid function, others like tiratricol pose significant health risks. It is crucial to approach thyroid supplementation with caution and under medical supervision to avoid adverse effects and ensure safe and effective use.
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