BioStacks
Ingredients (13)
Korean red ginseng powder (root)
100%Dose
600 mg
Target
200–400 mg
Form
—
Vitamin D
52%Dose
520 IU
Target
1000–5000 IU
Form
Premium
Biotin
67%Dose
666 mcg
Target
1000–5000 mcg
Form
—
Saw palmetto extract (fruit)
100%Dose
200 mg
Target
160–320 mg
Form
Budget
Vitamin B12
1%Dose
1.6 mcg
Target
250–5000 mcg
Form
Premium
Other Ingredients (2)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
HypromelloseCapsule
Plant-derived capsule material from cellulose
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 vitamin D in it absorbs poorly without one.
With a meal containing fat
Space it a couple of hours from Iron and Calcium
On the label
As a dietary supplement, take 2 capsules per day at any time.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$40.99
Pricier than 95% of 552 vitamin D 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.