Thorne Zinc Bisglycinate 30 mg
vs
Metagenics Thyrosol
Supplement Comparison

  • Zinc: Thorne Zinc Bisglycinate 30 mg has 4.5× more
  • The image below shows:
    • Side-by-side charts with label nutrient amounts, per serving
    • Nutrient forms as listed on the label
    • 21 nutrients compared
Bar chart: per-serving label amounts and listed forms for Thorne Zinc Bisglycinate 30 mg vs Metagenics Thyrosol.

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Frequently asked questions

Which active ingredients does Thorne Zinc Bisglycinate 30 mg have?

  • Zinc appears as TRAACS Zinc Bisglycinate (Albion)

Which active ingredients does Metagenics Thyrosol have?

  • Vitamin A appears as Retinyl Palmitate
  • Vitamin D appears as Cholecalciferol (D3)
  • Vitamin E appears as d-Alpha Tocopheryl Succinate
  • Vitamin B2 (Riboflavin)
  • Vitamin B3 (Niacin) appears as Niacinamide
  • Iodine appears as Potassium Iodide
  • Magnesium appears as Magnesium Citrate
  • Zinc appears as Zinc Citrate
  • Selenium appears as L-Selenomethionine
  • Inositol appears as Myo-Inositol
  • Rhodiola Extract appears as Rhodiola Extract (standardized to 1% salidroside, 3% rosavins)

Which categories do Thorne Zinc Bisglycinate 30 mg and Metagenics Thyrosol belong to?

  • Single Mineral
  • Hormone Support Formula

What health concerns do Thorne Zinc Bisglycinate 30 mg and Metagenics Thyrosol address?

  • Eye Health
  • Immune System Support
  • Men's Health
  • Skin, Hair & Nail Health
  • Thyroid Support

Which product has a higher amount of Zinc per serving?

  • Thorne Zinc Bisglycinate 30 mg has the highest total amount of Zinc: 30 mg per serving

How do the serving sizes compare between the two supplements?

  • Serving size:
    • Thorne Zinc Bisglycinate 30 mg: 1 capsule
    • Metagenics Thyrosol: 1 capsule
  • Zinc
    • This supplement has 30 mg
    • Recommended Dietary Allowance in men: 11 mg
    • Recommended Dietary Allowance in women: 8 mg
    • Tolerable Upper Intake Level: 40 mg
  • Vitamin A
    • This supplement has 300 mcg RAE
    • Recommended Dietary Allowance in men: 900 mcg RAE
    • Recommended Dietary Allowance in women: 700 mcg RAE
    • Tolerable Upper Intake Level: 3000 mcg RAE
  • Vitamin D
    • This supplement has 333 IU
    • Recommended Dietary Allowance in men: 600 IU
    • Recommended Dietary Allowance in women: 600 IU
    • Tolerable Upper Intake Level: 4000 IU
  • Vitamin E
    • This supplement has 44.7 mg
    • Recommended Dietary Allowance in men: 15 mg
    • Recommended Dietary Allowance in women: 15 mg
    • Tolerable Upper Intake Level: 1000 mg
  • Vitamin B2 (Riboflavin)
    • This supplement has 2 mg
    • Recommended Dietary Allowance in men: 1.3 mg
    • Recommended Dietary Allowance in women: 1.1 mg
    • Tolerable Upper Intake Level: Not established
  • Vitamin B3 (Niacin)
    • This supplement has 3 mg
    • Recommended Dietary Allowance in men: 16 mg
    • Recommended Dietary Allowance in women: 14 mg
    • Tolerable Upper Intake Level: 35 mg
  • Iodine
    • This supplement has 50 mcg
    • Recommended Dietary Allowance in men: 150 mcg
    • Recommended Dietary Allowance in women: 150 mcg
    • Tolerable Upper Intake Level: 1100 mcg

Last updated: February 9, 2026

  • Sources & Methodology: Nutrient data and forms are taken directly from Supplement Facts labels. Reviewed and standardized by the VIOscan Research Team. Learn more on the Methodology page.
  • We show the Recommended Dietary Allowance (RDA) when available. If no RDA exists, we show the Adequate Intake (AI). Tolerable Upper Intake Levels (UL) are used for upper limits. Unless otherwise noted, RDAs shown correspond to healthy adults aged 19–50 years and are sex-specific. Separate values exist for 51–70 years and >70 years, and pregnancy and lactation are excluded. All values come from the Dietary Reference Intakes (DRIs) published by the National Academies of Sciences, Engineering, and Medicine (NASEM), Food and Nutrition Board (FNB).
  • Transparency: We’re funded by our users. We don’t have sponsors or affiliate links, and we don’t sell supplements.
  • Editorial standards: we provide independent, impartial and objective data analysis.
  • This analysis is for educational purposes only. It is not a substitute for medical advice.
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  • Author: VIOscan Research Team