Ingredients
| Product name: | Thorne Thyroid Health Complex |
| Content: | 120 vegetarian capsules |
| For whom: | Adults, Women, Athletes |
Supplement Facts per 2 capsules (Serving Size)
| Amount | IE/IU ‡ | RI † | |
| Vitamin B12 (methylcobalamin) | 100 mcg | 4000% | |
| Vitamin C (Ascorbic Acid) | 200 mg | 250% | |
| Vitamin E (D-alpha tocopherol) | 67 mg | 100 IE | 558% |
| Iodine (potassium iodide) | 225 mcg | 150% | |
| Copper (copper bisglycinate chelate) (TRAACS®) | 500 mcg | 50000% | |
| Selenium (L-selenomethionine) | 100 mcg | 182% | |
| Zinc (zinc bisglycinate chelate) (TRAACS®) | 5 mg | 50% | |
| L-Tyrosine | 500 mg | ||
| Ashwagandha extract (KSM-66®) (root) (Withania somnifera) (5% withanolides) | 90 mg |
Ingredients L-tyrosine, vitamin c, ashwagandha extract ksm-66® (milk), vitamin e (d-alfa-tocoferol), zinc bisglycinate, copper bisglycinate, iodine, l-selenomethionine, vitamin b12, vegacap (hypromellose), anti-caking agent (l-leucine, silicon dioxide).
Explanation of the composition
‡ IE/IU = International Units. IE/IUs are only used for vitamins A, D and E. The exact definition of 1 IE/IU varies per substance and is established in international agreements.
†RI stands for Reference Intake and replaces the RDA (Recommended Daily Allowance). RI is a guideline for the intake of vitamins and minerals in particular. RI and ADH are equal in number.
Usage advice
Suggested use
Take one to two capsules twice a day.
Stick to the recommended daily dosage, unless advised otherwise.
A varied, balanced diet and a healthy lifestyle are important. Nutritional supplements are not a substitute for a varied diet.
If you have health issues or are taking medication, always consult your doctor before taking certain supplements. More usage advice.
Storage advice Store in a cool, dry and dark place. Not in the refrigerator.
Keep out of reach of children.
Best by date 120 capsules: February 2028
Allergy information / Warnings
| Warnings |
| Do not use with pre-existing liver disease. Ashwagandha may cause liver problems in rare cases. Consult your doctor for jaundice and other unusual symptoms. |
| Be careful when using thyroid medication. |
| Do not use if you are pregnant, nursing or trying to conceive. |
| This supplement is: |
| Not suitable for vegetarians |
| Not suitable for vegans |
Thyroid Health Complex
Thorne’s Thyroid Health Complex is a formula for thyroid health that contains ashwagandha, L-tyrosine, iodine, selenium, copper, zinc, and vitamins B12, C, and E.
Iodine and selenium are known for their supportive effects on the thyroid and thyroid hormone production. The other ingredients provide excellent support and act as cofactors in this formula.
Formerly Thyrocsin
Until May 2026, this product was called Thyrocsin. Thorne has renamed this product to better reflect its contents. The contents remain the same.
Specific characteristics of ingredients
- Iodine and selenium are necessary for the normal production of thyroid hormone and for the normal functioning of the thyroid
- Vitamin B12 and vitamin C help reduce fatigue
- Iodine, vitamin B12, and vitamin C support energy metabolism
- Ashwagandha contributes to energy metabolism and mental balance*
- Vitamin C supports a balanced mood
- Selenium and zinc support healthy skin, hair, and nails
- Zinc supports normal fat metabolism
Benefits of Thorne Thyroid Health Complex
- Contains no animal-derived ingredients or hormones
- Contains well-researched KSM-66® ashwagandha
- Vitamin B12 in its most active form
- Contains zinc and copper as glycinate chelates for better absorption
- Antioxidants vitamins C and E protect the thyroid cells from oxidative stress
Third-party tested and certified
This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants, such as heavy metals, pesticides, and microorganisms.
*Health claim(s) pending approval by the European Commission.
Smeets & Graas:
- Official Thorne EU-distributor
- Selling Thorne products since 2006
- Keeping all products in stock as standard
- Offering all Thorne products approved for sale in the EU
- In direct contact with Thorne
- Providing expert advice on all Thorne products
Thorne | Supporting your health
Need advice?
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Then please use our consultation form
Our consultations are free of charge.
Patented ingredients
KSM-66® is a registered trademark of Ixoreal Biomed, Inc.
TRAACS™ (The Real Amino Acid Chelate System) is a registered trademark of Albion Minerals.
Other information
Dietary supplement Combination supplement
Produced by Thorne Research Inc.
Summerville USA
For Smeets & Graas
G. Meirstraat 11
9728 TB Groningen
050 850 36 88
Last page change
12 mei 2026
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