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This is where the conversation shifts from science to safety, and it is one of the most important distinctions patients need to understand before starting any peptide therapy

Very high doses of vitamin B12 may cause mild symptoms such as: Headache Fatigue or weakness Nausea Vomiting and diarrhea Tingling sensation in hands and feet

Published studies used different routes, including oral and intravenous administration, so the amounts cannot be directly transferred between routes

The collagen, anti-aging and healing claims rest largely on topical, in-vitro and animal data

This can produce a functional undermethylation pattern without assuming that every patient simply needs more methyl donors