BioStacks
Ingredients (11)
Vitamin D
100%Dose
1000 IU
Target
1000–5000 IU
Form
Premium
Zinc
100%Dose
25 mg
Target
15–30 mg
Form
Standard
Pygeum africanum extract
100%Dose
100 mg
Target
75–200 mg
Form
—
Vitamin E
80%Dose
40 mg
Target
50–268 mg
Form
Premium
Saw palmetto extract
100%Dose
320 mg
Target
160–320 mg
Form
Budget
Other Ingredients (3)
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
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. Take it with a meal containing fat — the vitamins D and E in it absorb poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
Take 2 capsules daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$33.00
Near the median of 292 immune 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. 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.