BioStacks
Best for
Ingredients (13)
Niacin
100%Dose
254 mg
Target
25–500 mg
Form
Standard
NIAGEN
100%Dose
300 mg
Target
250–1000 mg
Form
Premium
Biotin
4%Dose
37.5 mcg
Target
1000–5000 mcg
Form
—
Vitamin B6
38%Dose
0.5 mg
Target
1.3–25 mg
Form
—
Vitamin B12
1%Dose
1.5 mcg
Target
250–5000 mcg
Form
Not listed
Other Ingredients
No other ingredients listed
How to Take It
Take it anytime
No evidence a formula this broad works better at any particular hour. What's in this absorbs poorly without a fat-containing meal — take it with 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
$69.00
Pricier than 93% of 239 energy 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.