BioStacks
Best for
Ingredients (4)
Biotin
100%Dose
4000 mcg
Target
1000–5000 mcg
Form
—
Zinc
100%Dose
22 mg
Target
15–30 mg
Form
Standard
Keranat™ [blend of carnauba wax, millet oil, sunflower oil, wheat grain extract, and rosemary leaf extract]
100%Dose
600 mg
Target
50–200 mg
Form
—
Horsetail Extract
100%Dose
150 mg
Target
15–100 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
Take it with food — the zinc in it is what makes this kind of product feel nauseating on an empty stomach.
With food
Space it a couple of hours from Iron and Calcium
On the label
As a dietary supplement, take two capsules per day with food and water.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$18.79
Cheaper than 69% of 292 immune 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.