BioStacks
Spring Valley

Flush-Free Niacin Inositol Hexanicotinate 500 mg

Capsule · 60 servings

39 / 100Poor

Best for

Score Breakdown

Formulation
39
Safety
100
Final score
39/100

Ingredients (2)

Niacin400 mg

Within effective range · Budget form

Inositol100 mg

5% of effective dose · Budget form

Label Nutrition Facts

Other Ingredients

Fillers, coatings, and additives

2Safe

GelatinCapsule

Safe

Stearic AcidLubricant

Safe

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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.