BioStacks
GNC

B-Complex 100

1 Caplet · 250 servings · $0.12/serving

iHerbAmazon

Best for

EnergyGeneral Health

Ingredients (12)

Pantothenic Acid

100%

Dose

100 mg

Target

50–500 mg

Form

Premium

Vitamin B6

100%

Dose

100 mg

Target

25–100 mg

Form

Premium

Niacin

100%

Dose

100 mg

Target

25–500 mg

Form

Standard

Riboflavin

100%

Dose

100 mg

Target

25–100 mg

Form

Budget

Biotin

10%

Dose

100 mcg

Target

1000–5000 mcg

Form

—

Other Ingredients (13)

MonoglyceridesEmulsifier

Glycerol monoesters of fatty acids used as emulsifiers and processing lubricants

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Oleic AcidEmollient

A monounsaturated fatty acid used as an emollient and penetration aid

Polyethylene Glycol (Coating)Coating

A polyether polymer used as a tablet coating and plasticizer

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Carnauba WaxCoating

Hard plant wax from the carnauba palm used to glaze gummies and tablets

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

Dicalcium PhosphateBinder

Calcium and phosphorus compound used as binder

How to Take It

Take it anytime

No evidence a formula this broad works better at any particular hour. Take it with food — the choline in it is what makes this kind of product feel nauseating on an empty stomach.

With food

On the label

As a dietary supplement, take one caplet daily.

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

Price Check

$29.99

$5$10$20$50

Pricier than 80% 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.

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