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Route of Administration How a peptide is delivered dramatically affects how long it stays in the body: Subcutaneous injection : slower absorption, longer duration Intramuscular injection : faster peak concentration, moderate duration Oral and intranasal peptides : often rapidly broken down, requiring protective technologies or higher doses For example, oral BPC-157 may work primarily through gut-localized pathways, while injectable versions may provide broader systemic benefits

In addition, Strasser et al

Potential Benefits Stronger regenerative signaling May support skin thickness and repair Can also influence hair and tissue healing Limitations and Side Effects Because injectable copper peptides affect the whole body, they carry more risk than topical use

Some compounding pharmacies sell pre-mixed vials containing both peptides at standard ratios

Azemi, A

Both are water-soluble peptides