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Unlike many pharmaceutical compounds, GHK-Cu does not appear to produce tolerance with continued use
Purity and Manufacturing Risks: Because it is unapproved, sourcing BPC 157 through peptide clinics or online vendors exposes you to significant risk regarding product purity, inaccurate dosing, and chemical contaminants
GH, IGF-1, and insulin sometimes antagonize or amplify each others direct actions
Leading medical sources, including The BMJ and Harvards Nutrition Source, emphasize that elevated B12 levels alone do not indicate toxicity or adverse effects
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