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More acidic or alkaline conditions may affect peptide stability or cause irritation

Deficiency develops insidiously as hepatic stores deplete, potentially causing irreversible neurological damage if untreated

Even if you are not a vegetarian or vegan, many factors may increase your risk of B12 deficiency: Individuals over 50 years old Certain medications Auto-immune disease Consumption of alcohol * Taking Birth Control Pills Vitamin B12 injections are used because deficiency is very common

Defined onset window Peak plasma at ~1 hour with a 2.7-hour half-life gives a predictable research window without prolonged exposure