Well-dosed for everyday immune and skin health support. **Zinc** at 22mg per tablet sits comfortably in the 15–30mg clinical range, and the glycinate chelate form is one of the best-absorbed options available — meaning you're likely getting more of it into your bloodstream with less stomach discomfort.
At 22mg, you're well above the 11mg RDA but safely under the 40mg tolerable upper limit, which makes this practical for daily long-term use without the copper depletion risk that comes with higher zinc doses.
One thing to keep in mind: if you're taking zinc primarily for immune support during acute illness, the studied doses tend to run higher (30–40mg). At 22mg, this is better positioned for everyday maintenance than for short-term therapeutic use.
BioStacks
Other Ingredients (6)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Dicalcium PhosphateBinder
Calcium and phosphorus compound used as binder
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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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.