**Zinc picolinate** is one of the best-absorbed forms of zinc, and this gives you a full 30mg per capsule for immune support — right at the top of the everyday supplemental range. Because picolinate is a well-absorbed chelated form, the amount your body actually takes up closely tracks the 30mg printed on the label.
One capsule a day hits that dose with no pill burden, and zinc has strong clinical backing here — meta-analyses link adequate zinc to immune defense and to shorter colds when intake stays consistent.
The thing to watch is long-term use: taking 30mg daily for months can slowly deplete copper, so if you plan to stay on it, pair it with 1–2mg of copper to keep that balance.
BioStacks
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
HypromelloseCapsule
Plant-derived capsule material from cellulose
LeucineFlow Aid
Branched-chain amino acid used as a processing aid
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
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
Take 1 capsule daily or as recommended by your health professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$17.00
Near the median of 219 zinc supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the 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. studied 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.