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Colour: Approved colour used

Impure products can contain: Incomplete synthesis fragments that may cause immune reactions Bacterial endotoxins from contaminated manufacturing Heavy metals from poor quality synthesis reagents Misidentified or substituted peptides entirely Degradation products from improper storage before sale Users who experience unusual or severe side effects should consider source quality as a potential cause

Unlike synthetic forms of B12, methylcobalamin is a naturally active form that the body can use immediately, no conversion needed