BioStacks
Solaray

Zinc Citrate 50mg

1 Capsule · 60 servings · $0.13/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 FlourFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Calcium SilicateAnti-caking

Inorganic compound used as an anti-caking and flow agent in powdered 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.