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Gaia Herbs

Thyroid Support

Product Quality

Overall evidence-based quality rating

How Product Quality is assessed
8.78Superior

Price

$0.71/serving

Retail

$42.81

Container

60 servings

Serving

1 Capsule

Brand Quality

9.47

Why this score

Testing practices

  • Lot Tested
  • Third-Party Lab Tested
  • Transparent Batch-Specific COAs
  • ISO 17025 Lab

Testing coverage

  • Identity
  • Purity
  • Potency
  • Heavy Metals
  • Raw Ingredient Testing

Certifications

  • NSF Certified
  • USDA Organic Certified

Manufacturing standards

  • cGMP Certified
  • Made in USA

Innovation

  • Clinically Studied Product

Active Ingredients

  • Calories

    5 Calories
  • Total Carbohydrates

    2 Grams
  • Iodine

    100 mcg

    Ingredient research · Iodine

    Iodine is an essential mineral the thyroid uses to make hormones that regulate metabolism, growth, and development. Supplementation reliably prevents or corrects iodine deficiency and is especially important when needs rise during pregnancy for fetal brain development, but excess intake can also disturb thyroid function.

    • Supports selected micronutrient and thyroid-status markers in iodine-deficient adults.
    Top References
  • Ashwagandha Root Extract

    80 mg

    Ingredient research · Ashwagandha Root Powder Extract

    Ashwagandha Root Powder Extract is a concentrated preparation of the plant’s root, traditionally used to improve resilience to stress. It may modestly reduce perceived stress and anxiety and improve sleep, while possible benefits for exercise performance and male reproductive health are less consistent; effects can depend on extraction and standardization.

  • Proprietary Extract Blend

    630 mg
    • Coleus forskohlii

      Ingredient research · Coleus forskohlii

      Coleus forskohlii is an herb whose root extracts are used mainly for their forskolin content, a compound that raises cellular cyclic AMP signaling. Supplements are promoted for weight management and body composition, with additional interest in respiratory and cardiovascular effects, but meaningful benefits from the whole herb or typical extracts remain uncertain.

    • L-Tyrosine

      Ingredient research · L-Tyrosine

      L-Tyrosine is an amino acid the body uses to make dopamine, norepinephrine, and thyroid hormones. Supplementation may help preserve attention, working memory, and mental performance during acute stressors such as sleep loss or cold exposure, but it is not a reliably effective everyday cognitive or mood enhancer.

      • Supports cycling endurance during exercise in the heat.
      Top References
    • Schisandra

      Ingredient research · Schisandra

      Schisandra is a berry-bearing medicinal vine used as an “adaptogen,” and its lignans are studied for effects on cellular stress responses and liver function. People supplement it for fatigue, mental performance, and liver support, but human evidence remains limited and does not establish broad stress-protective benefits.

Ranking

Thyroid Support Products97%
Vegetarian Products97%

Inactive Ingredients

10 Ideal
  • GlycerinIdeal
  • Sunflower LecithinIdeal
  • WaterIdeal
  • HypromelloseIdeal
  • ChlorophyllIdeal

These statements have not been evaluated by the Food and Drug Administration. Any products and informational content displayed on this page are not intended to diagnose, treat, cure, or prevent any disease.

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