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#10 in Herbal Supplements

Zhou Nutrition Thyroid Support

by Zhou Nutrition

"Comprehensive thyroid support with iodine, selenium, ashwagandha, and L-Tyrosine — for healthy thyroid hormone production"

Amazon Rating
4.3/5
Reviews
20,000+
Price Range
$16-22
Servings
60 capsules
GMP Certified
Our Editorial Rating
7.2
Good
FormCapsule
SubcategoryThyroid Support Complex
View on Amazon

Overview

Zhou Nutrition Thyroid Support is a comprehensive formula combining key nutrients and herbs for thyroid health. It includes iodine (from kelp), selenium, zinc, copper, ashwagandha, L-Tyrosine, Schisandra, and vitamin B12 — all nutrients involved in thyroid hormone production and conversion. The formula targets both T4 production (iodine, tyrosine) and T4-to-T3 conversion (selenium, zinc). With 20,000+ reviews, it's one of the most popular thyroid support supplements on Amazon.

Key Ingredients

IngredientAmount
Iodine (from Kelp)150 mcg
Selenium200 mcg
L-Tyrosine300 mg
Ashwagandha Root150 mg
Zinc8 mg

Pros & Cons

What We Like

  • 20,000+ reviews
  • Comprehensive formula
  • Key thyroid nutrients
  • Under $22
  • 60-day supply

What Could Be Better

  • Should consult doctor first
  • Iodine can worsen some thyroid conditions
  • Not for those on thyroid medication
  • Proprietary herbal blend

Who Is This For?

Best For

  • Subclinical thyroid support
  • Those with nutrient deficiencies affecting thyroid
  • Energy and metabolism support
  • Those cleared by their doctor

Not Ideal For

  • Those on thyroid medication
  • Those with Hashimoto's (iodine caution)
  • Those with hyperthyroidism
  • Those not consulting a doctor

Our Verdict

7.2/10 — Good

Zhou Thyroid Support is the popular OTC thyroid formula — comprehensive nutrients that support thyroid function. Important caveat: thyroid supplements should be used under medical guidance, as iodine can worsen certain thyroid conditions.

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