BioStacks
Best for
Ingredients (4)
Adenosylcobalamin
100%Dose
333 mcg
Target
250–5000 mcg
Form
Premium
Methylcobalamin
100%Dose
333 mcg
Target
250–5000 mcg
Form
Premium
Hydroxocobalamin
100%Dose
333 mcg
Target
250–5000 mcg
Form
Premium
Vitamin B12
100%Dose
1000 mcg
Target
250–5000 mcg
Form
Not listed
Other Ingredients (6)
MannitolSweetener
A FODMAP sugar alcohol that can cause GI distress (bloating, gas, diarrhea) at higher doses. Supplement amounts are typically small, but individuals with IBS or sugar alcohol sensitivity may react even at low doses.
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.
Ascorbyl PalmitateAntioxidant
Fat-soluble form of vitamin C used as preservative
Beetroot Juice PowderColorant
Natural red colorant and mild flavoring derived from beetroot; often spray-dried onto maltodextrin carrier
Hydroxypropyl CelluloseBinder
An inert modified-cellulose polymer used as a binder, film-former, and disintegrant.
Stevia ExtractSweetener
Zero-calorie natural sweetener extracted from the leaves of Stevia rebaudiana
How to Take It
Best taken in the morning
Many people prefer it earlier in the day; there's no evidence timing changes anything. Absorption is fine with or without food.
With or without food
On the label
Adults and children age 12+: 1 tablet daily.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$15.49
Near the median of 272 vitamin B12 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.