BioStacks
Best for
Ingredients (3)
Niacin
100%Dose
500 mg
Target
25–500 mg
Form
Premium
Phosphorus
30%Dose
30 mg
Target
100–500 mg
Form
Budget
Calcium
40 mgTrace amount — not scored
Other Ingredients (5)
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Coating (unspecified)Coating
Generic tablet coating declaration where the label does not itemize the coating's components; modern aqueous film coatings are typically cellulose-based (HPMC) with a plasticizer
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
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
How to Take It
Take it anytime
This is the flushing form. Take it with food to blunt the flush — it usually fades after a couple of weeks of consistent use.
With food
On the label
Directions: Take one tablet with a meal one to two times daily or as directed by your healthcare practitioner.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$22.55
Pricier than 80% 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. 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.