BioStacks
Best for
Ingredients (11)
Caffeine Anhydrous
100%Dose
100 mg
Target
100–400 mg
Form
—
Pantothenic Acid
100%Dose
50 mg
Target
50–500 mg
Form
Premium
Niacin
100%Dose
25 mg
Target
25–500 mg
Form
—
Biotin
10%Dose
100 mcg
Target
1000–5000 mcg
Form
—
Riboflavin
100%Dose
50 mg
Target
25–100 mg
Form
Budget
Other Ingredients (2)
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
GelatinCapsule
Protein derived from collagen, used in traditional capsule shells
How to Take It
Best taken in the morning
Contains Caffeine, which is stimulating — keep it to the morning. Take it with food — the niacin and choline in it are what makes this kind of product feel nauseating on an empty stomach.
With food
On the label
As a dietary supplement, take one capsule daily. Do not take prior to bedtime. For maximum benefits, take as directed every day.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$9.99
Cheaper than 75% of 61 vitamin B2 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.