BioStacks
NatureWise

Methylcobalamin Vitamin B12 1000 mcg

1 Capsule · 60 servings · $0.17/serving

iHerbAmazon

Best for

Energy

Ingredients (1)

Vitamin B12

100%

Dose

1000 mcg

Target

250–5000 mcg

Form

Premium

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.

HypromelloseCapsule

Plant-derived capsule material from cellulose

Dicalcium PhosphateBinder

Calcium and phosphorus compound used as binder

Calcium SilicateAnti-caking

Inorganic compound used as an anti-caking and flow agent in powdered supplements

LeucineFlow Aid

Branched-chain amino acid used as a processing aid

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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