BioStacks
Best for
Ingredients (4)
Niacin
100%Dose
400 mg
Target
25–500 mg
Form
—
Inositol Hexaniacinate
25%Dose
500 mg
Target
2000–4000 mg
Form
Budget
Inositol Hexanicotinate
25%Dose
500 mg
Target
2000–4000 mg
Form
Budget
Inositol
5%Dose
100 mg
Target
2000–4000 mg
Form
—
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
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 niacin in it is what makes this kind of product feel nauseating on an empty stomach.
With food
On the label
As a dietary supplement for adults, take one (1) vegetable capsule one to two times daily, preferably with a meal or as directed by a healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$20.24
Pricier than 72% of 82 vitamin B3 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. 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.