BioStacks
Natural Factors

Complete B 100 mg

1 Tablet · 90 servings · $0.21/serving

iHerbAmazon
63 / 100Good

Best for

EnergyGeneral Health

Score Breakdown

Formulation
65
Safety
95
Final score
63/100

Ingredients (13)

Pantothenic Acid

100%

Dose

100 mg

Target

50–500 mg

Form

Premium

Vitamin B6

100%

Dose

100 mg

Target

25–100 mg

Form

Premium

Thiamine

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

Other Ingredients (3)

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

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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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