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Ingredient · Vitamin Mineral

Cyanocobalamin

Cleaner · 8/10, higher is cleaner

How we reached this

Synthetic vitamin B12 fortification form. Most common B12 supplement. Generally well-absorbed and converted to active forms. FDA GRAS.

Sources · 1

Also listed as

CYANOCOBALAMIN (VITAMIN B12).Cyanocobalamin (vitamin b12)

Products containing this · 7

About this rating

Ratings run 1–10, higher is cleaner, and are set editorially against the sources above — see the methodology page for how an ingredient rating becomes part of a product score. Last reviewed 2026-05-25.