BioStacks
Solaray

Zinc, 50 mg

1 Capsule · 100 servings · $0.10/serving

58 / 100Average

Best for

Score Breakdown

Formulation
80
Safety
72
Final score
58/100

Ingredients (2)

Zinc

100%

Dose

50 mg

Target

15–30 mg

Form

Standard

Pumpkin

5%

Dose

0.1 g

Target

1–20 g

Form

Other Ingredients (5)

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.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Whole Rice ConcentrateFiller

A rice-derived powder used as a natural, whole-food excipient in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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.