BioStacks
Best for
Ingredients (10)
Vitamin B6
100%Dose
3.5 mg
Target
1.3–25 mg
Form
—
KSM-66 Ashwagandha
100%Dose
600 mg
Target
300–600 mg
Form
Premium
BioPerine
100%Dose
10 mg
Target
5–20 mg
Form
—
Testofen
100%Dose
600 mg
Target
500–1000 mg
Form
—
Vitamin D3
80%Dose
800 IU
Target
1000–5000 IU
Form
Premium
Other Ingredients (4)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Purified WaterSolvent
Water meeting USP specifications used as solvent/vehicle in gummies and liquids
Zinc Mono-L-Methionine Sulphate
Not reviewed yet
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
Consume 2 capsules, twice daily. Best taken before exercise. Warning: Not recommended for children, pregnant or breastfeeding women. Consult with your doctor if taking medication or have a medical condition.
General guidance based on the ingredients, not a substitute for the label or your doctor.
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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.