Here is a review of Thorne Research Thyrocsin. The manufacturer claims this is product is meant for people who are looking to support thyroid function. Since this does promote the healthy function of the thyroid, this product is also claimed to optimize the metabolism as well.

Please keep reading this review to see if this supplement will suit your needs.




Below are the listed ingredients for two capsules:

  • 200 mg Vitamin C
  • 100 IU Vitamin E
  • 100 mcg Vitamin B12
  • 225 mcg Iodine
  • 5 mg Zinc
  • 100 mcg Selenium
  • 500 mcg Copper
  • 500 mg L-Tyrosine
  • 150 mg Ashwagandha Extract

Other ingredients include: hypromellose capsule, Leucine, and Silicon Dioxide.

This product does not contain any of the following: wheat, gluten, corn, soy, egg, dairy, artificial colors, artificial colors, flavors, lactose, palmitic acid, magnesium stearate, or stearic acid.


The recommended dosage for this product is 2 capsules twice a day unless directly otherwise by a doctor or physician.

Possible Side Effect

Since there is a high amount of iodine in this product, those who are allergic or sensitive to the ingredient should take this cautiously and stop if any adverse reactions occur. Women who are nursing, pregnant, or trying to get pregnant should speak with their doctor first before taking this supplement. People with an already existing medical condition and/or takes medication should also consult with their doctor before taking this product.


The price on the manufacturer’s website for this item is $16.00. Making this a very affordable supplement for those who are looking to stay within a certain budget. This is for a 30 day supply with 60 capsules. It should also be noted this product can be set to be delivered on a bi-weekly, monthly, or tri-monthly basis. This is a great aspect for people who like subscription based plans for their supplements.


There was nothing found for a customer guarantee on the manufacturer’s website. The consumer could however return the item within a certain period, but the item needs to be in the condition it was in when received by the consumer. If you are looking to try this product but are worried about a refund, it may be in your best interest to purchase this item from an authorized seller who goes give refunds even after the product has been opened or tried.

While there is no satisfaction guarantee, the various reviews found on the website have proved to be positive, meaning this item has lived up to its claims for some customers.


Thorne Research Thyrocsin is a supplement that seems to live up its claims based on the customer testimonials found on various online retailers. The fact that this is also free of ingredients such as gluten, meat, diary, and soy make this ideal for someone who wants a natural, vegan friendly herbal supplement. However, the lack of customer satisfaction can prove to be a determining point for some people. If you want to try this affordable product to promote healthy thyroid function, do so at the risk that you may not get your money back if your are unsatisfied with the results.

Click here to learn about our Top Thyroid Treatment Products.