Thyroid & Adrenal Supplements

Our glandular systems help regulate our energy levels, mood, metabolism, weight management and more. Life Extension’s thyroid & adrenal health products can help maintain your glands for better health.

Essentials Quiz

Answer a few questions to choose the right supplements

Our glandular systems help regulate our energy levels, mood, metabolism, weight management and more. Life Extension’s thyroid & adrenal health products can help maintain your glands for better health.

Essentials Quiz

Answer a few questions to choose the right supplements

Thyroid / Adrenal Health

Explore our thyroid and adrenal health products.

Best In Class

Comprehensive thyroid support with ashwagandha benefits

60 capsules
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Get comprehensive thyroid support with ashwagandha benefits in Triple Action Thyroid, our Best in Class supplement that combines potent nutrients that support healthy thyroid function.

Best Seller

Cellular health & longevity support

200 mcg, 100 vegetarian capsules
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Our selenium once-daily supplement is composed of three forms of selenium, along with vitamin E, for optimized health and longevity support.

Supports healthy levels of this essential nutrient for thyroid health and beyond.

1000 mcg, 60 vegetarian capsules
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Iodine is an essential, health-promoting trace element. Its primary biological role lies in supporting the production of thyroid hormones. Sea-Iodine™ provides 1,000 mcg of this essential element.

Use only with official health warning

130 mg, 14 vegetarian tablets
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Potassium iodide is a salt of stable iodine absorbed by the thyroid gland.

Advanced form of the antioxidant selenium

200 mcg, 90 vegetarian capsules
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Se-Methyl L-Selenocysteine is a naturally occurring compound of selenium that helps protect cells and tissues from oxidative damage and supports both healthy cell function and cell division.

Help inhibit the effects of stress

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Adrenal Energy Formula combines four stress-modulating extracts—holy basil, cordyceps, bacopa and ashwagandha—each scientifically validated to help support a healthy response to stress.

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Essentials Quiz

Answer a few questions to choose the right supplements

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Efficacious Formulas

40 years of research dedicated to bringing you premium, scientifically-validated formulations.

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99% of our products are manufactured in the U.S, and a Certificate of Analysis is available for every product we produce.