BioStacks
KAL

Ultra B-12 10,000 mcg

1 Tablet · 30 servings · $0.50/serving

iHerbAmazon
100 / 100Excellent

Best for

Energy

Score Breakdown

Formulation
100
Safety
100
Final score
100/100

Ingredients (1)

Vitamin B-12

100%

Dose

10000 mcg

Target

250–5000 mcg

Form

Premium

Other Ingredients (6)

Magnesium StearateLubricant

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

Natural FlavorsFlavor

Broad regulatory category of flavor constituents derived from natural sources. Composition is proprietary and not disclosed — 'Natural Flavors' can include several hundred different compounds depending on the target flavor profile, including hexane-extracted constituents and proprietary carrier solvents. 'Natural' is a regulatory definition (21 CFR §101.22), not a safety guarantee.

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Microcrystalline CelluloseBinder

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

Citric AcidAcidulant

Natural acid derived from citrus fruits

StarchBinder

Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules

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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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