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MegaFood Thyroid Strength

4 established essential nutrients

Graded on the nutrient adequacy of 4 labeled ingredients.

A
83out of 100Grade A
Research evidence score

Graded on 4 established essential nutrients · led by Iodine

Strong pick. Iodine, Zinc and Selenium (+1 more) have real research behind them.

Based on the ingredients we could read from this scan. A full label may include more — like added sugars, colorings or other ingredients — than we captured here.

How the ingredients work together

Known interactions from published nutrition research — separate from the evidence grade.

44 of 4 nutrients at a meaningful dose (≥20% Daily Value).
Zinc balanced with CopperWork together

Long-term zinc supplementation depletes copper; including copper alongside zinc is the textbook-correct formulation.

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Ingredient breakdown

A
IodineSupports thyroid hormone production
Research: Established essential nutrientDaily Value: 100%Dose: 150 mcgEvidence strength: Established nutrient — this product provides a meaningful dose
A
ZincSupports immune function and testosterone
Research: Established essential nutrientDaily Value: 73%Dose: 8 mgEvidence strength: Established nutrient — this product provides a meaningful dose
A
SeleniumSupports thyroid function and antioxidant defense
Research: Established essential nutrientDaily Value: 127%Dose: 70 mcgEvidence strength: Established nutrient — this product provides a meaningful dose
B
CopperSupports iron metabolism and connective tissue
Research: Established essential nutrientDaily Value: 39%Dose: 0.35 mgEvidence strength: Established nutrient — a solid dose in this product

This summary describes only the ingredients and the research behind them — it is not a judgment of the product or its marketing. Grades reflect the weight of published evidence cross-referenced against 350M+ research papers. How we grade →

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