BioStacks
Nature's Bounty

Sublingual Liquid B-12 5000 mcg

Liquid · 1 mL · 59 servings

iHerbAmazon
44 / 100Average

Best for

Energy

Score Breakdown

Formulation
50
Safety
87
Final score
44/100

Ingredients (1)

Vitamin B12

100%

Dose

5000 mcg

Target

250–5000 mcg

Form

Budget

Other Ingredients (6)

SorbitolSweetener

A FODMAP sugar alcohol that may trigger GI discomfort (bloating, gas) in individuals with IBS or sorbitol malabsorption, even at small amounts found in supplements. Avoided in low-FODMAP diets.

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.

Potassium SorbatePreservative

Natural preservative derived from sorbic acid

Citric AcidAcidulant

Natural acid derived from citrus fruits

Purified WaterSolvent

Water meeting USP specifications used as solvent/vehicle in gummies and liquids

GlycerinHumectant

Sweet-tasting liquid used in soft capsules and liquids

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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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