BioStacks
Dr. Mercola

Zinc plus Selenium

1 Capsule · 90 servings · $0.22/serving

iHerbAmazon

Best for

ImmuneHormones

Ingredients (3)

Zinc

100%

Dose

15 mg

Target

15–30 mg

Form

Premium

Selenium

100%

Dose

200 mcg

Target

100–200 mcg

Form

Standard

Copper

25%

Dose

250 mcg

Target

1000–2000 mcg

Form

Premium

Other Ingredients (2)

Rice ExtractFiller

Rice-based ingredients carry risk of inorganic arsenic contamination. Vague labeling — 'rice extract' does not specify what is extracted or standardized. Used as a cheap filler with no supplemental benefit.

HypromelloseCapsule

Plant-derived capsule material from cellulose

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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