BioStacks
MegaFood

Zinc 22.5 mg

1 Tablet · 120 servings

iHerbAmazon

Best for

Immune

Ingredients (2)

Zinc

100%

Dose

22.5 mg

Target

15–30 mg

Form

Premium

Food Blend

1%

Dose

44 mg

Target

5000–15000 mg

Form

—

Other Ingredients (8)

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.

Rice ProteinFiller

Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports have documented elevated arsenic in rice products). Used as a cheap filler. Incomplete amino acid profile adds no meaningful protein benefit at excipient doses.

Autolyzed YeastFlavor

Yeast that has been broken down to release naturally occurring amino acids and flavor compounds

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Autolyzed YeastFlavor

Yeast that has been broken down to release naturally occurring amino acids and flavor compounds

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

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

Stearic AcidLubricant

Saturated fatty acid used as tablet lubricant

How to Take It

Take it anytime

Take with food — on an empty stomach it commonly causes nausea.

With food
Space it a couple of hours from Iron and Calcium

On the label

Suggested use: Adults take 1 tablet daily with a beverage. May be taken any time of day, even on an empty stomach.

General guidance based on the ingredients, not a substitute for the label or your doctor.

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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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