Key Benefits

• Supports normal thyroid function with iodine and selenium.

• Helps maintain energy and reduce tiredness with vitamin B12 and vitamin C.

• Contributes to normal immune function and cell protection with zinc, copper, and vitamin E.

• Promotes normal psychological and nervous system function with vitamin B12 and copper.

Feel balanced and ready for the day with Thorne’s Thyrocsin—a thoughtfully crafted formula designed to support your body’s natural rhythms. Iodine and selenium contribute to the normal production of thyroid hormones and healthy thyroid function, while L-tyrosine is a building block for these important hormones. Vitamin B12 and vitamin C help you stay energised and support the reduction of tiredness and fatigue, so you can keep up with life’s demands. Zinc, copper, and vitamin E work together to protect your cells from oxidative stress and contribute to the normal function of your immune system. With ashwagandha extract and a blend of essential nutrients, Thyrocsin is here to help you maintain your wellbeing, every day.

What sets Thorne apart is its third-party testing and certification, ensuring that the contents of the package match the label and are free from unsafe levels of contaminants like heavy metals, pesticides, and microorganisms. This commitment to purity and accuracy gives you peace of mind knowing that what you’re taking is safe and effective .

Thorne sets the standard for excellence in the supplement industry. Recommended by over 100 professional sports teams and U.S. National Teams, Thorne offers a curated bundle of clean, science-backed supplements and treats designed complement a healthy lifestyle. With more than 30 years of dedication to quality, Thorne's commitment to purity and potency begins with sustainably sourced ingredients and rigorous testing. Every supplement undergoes four rounds of testing to ensure optimal absorption, safety, and efficacy, making Thorne the trusted choice for both health-conscious individuals and professionals.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.

L-Tyrosine, Vitamin C (as Ascorbic Acid), Ashwagandha Extract (KSM-66® (Root) (Withania somnifera)), Vitamin E (as D-Alpha Tocopheryl), L-Leucine, Zinc (as TRAACS® Zinc Bisglycinate Chelate), Copper (as TRAACS® Copper Bisglycinate Chelate), Iodine (as Potassium Iodide), Vitamin B12 (as Methylcobalamin), Selenium (as L-Selenomethionine), Hypromellose (Derived from Cellulose) Capsule, Anti-Caking Agent (Silicon Dioxide)

Take 2 capsules two times daily or as recommended by your health professional.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.