No, this is not a vegan product. Thorne's Magnesium Thyrocsin contains the amino acid, leucine. Their leucine ingredient is derived from duck feathers (that are gathered off the ground and not taken directly from the ducks).

The label does not specify whether or not the product is vegan. It only specifies that it is gluten free. Neither the Leucine nor the silicon dioxide list source, so they may be a result of animal by product.

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THORNE - Thyrocsin - Thyroid Cofactors for Thyroid Function Support* - 120 Capsules

THORNE - Thyrocsin - Thyroid Cofactors for Thyroid Function Support* - 120 Capsules

Q: thorne: what is the leucine derived from in this product?

Thorne's leucine ingredient is derived from duck feathers (that are gathered off the ground and not taken directly from the ducks).

Q: Why isn’t the expiration date on the product?

Most Thorne bottles show expiration dates, however, some show a manufacturing date. If the product is showing a manufacturing date, it is good for 2 years from the manufacturing date. If you are still concerned, please contact us directly and we will be happy to help.

Product ID: 3241991

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Details

Brand
THORNE
Flavor
Unflavored
Unit Count
120 Count
Item Form
Capsule
Item Weight
2.08 ounces
Item dimensions L x W x H
2.38 x 2.38 x

⚡Boosts T4 to T3 conversion

🌿Powerful botanical blend

🛡️Third-party purity certified

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THORNE Thyrocsin - Thyroid Cofactors for Thyroid Function Support* - 120 Capsules

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Description

⚡ Unlock your thyroid’s full potential—fuel your day like a champion!

PURE VERIFIED - Third-party tested to guarantee label accuracy and safety
METABOLIC MASTERY - Optimizes your metabolism for sustained energy and focus
CLINICALLY TRUSTED - Preferred by 100+ pro sports teams and top healthcare practitioners
THYROID POWER TRIO - Iodine, tyrosine & ashwagandha to elevate T4 hormone levels naturally
ESSENTIAL COFACTORS - Selenium, zinc & copper support efficient thyroid hormone activation

Thorne Thyrocsin is a premium thyroid support supplement featuring a scientifically balanced blend of iodine, tyrosine, ashwagandha, selenium, zinc, and copper. Designed to enhance T4 hormone levels and promote efficient conversion to the active T3 form, it supports optimal metabolism and energy. Third-party tested and trusted by elite athletes and healthcare professionals, it ensures purity and potency in every capsule.