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Address root causes before peptide therapy Active infections, mold exposure, and environmental toxins must be eliminated first, as peptides work best when supporting comprehensive treatment plans rather than fighting ongoing triggers

Oral: Shorter systemic half-life, longer local GI effect SubQ/IM Injection: Longer systemic presence, especially with IM use 3

For example, someone with severe B12 deficiency and neurological symptoms might need more frequent injections at first

Given this uncertainty, those with active cancer should consult oncology providers before considering GHK-Cu

This is one of the first controlled studies validating copper peptide microneedling for hair specifically