BioStacks
Nature's Bounty

B-2 100 mg

1 Tablet · 100 servings · $0.07/serving

iHerbAmazon

Best for

Energy

Ingredients (1)

Riboflavin

100%

Dose

100 mg

Target

25–100 mg

Form

Budget

Other Ingredients (4)

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

Dicalcium PhosphateBinder

Calcium and phosphorus compound used as binder

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

How to Take It

Best taken in the morning

Many people prefer B-vitamins earlier in the day; take with food to avoid nausea.

With food

On the label

For adults, take one (1) tablet daily, preferably with a meal.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$7.47

$10$20

Cheaper than 86% of 30 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.

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