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Vitamin B-12 is an essential water-soluble vitamin that plays an important role in many functions in the body, including: DNA synthesis Energy production Nerve cell health Red blood cell formation Neurological function B-12 is present in many food sources (mainly animal-based), where it is bound to the protein molecules in that food

Food and Drug Administration) Thats a big deal when you see clinics (or influencers) casually discussing injectable copper peptide use

National Institute of Allergy and Infectious Diseases NIAID (2023)

Absorption Issues and Risk Factors Some people are more likely to lack B12 because of how their body absorbs it