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Long-term use safety Evidence for long-term use: Studied for decades Safe for months to years No tolerance development Benefits maintained Cycling not necessary: Can use continuously No downregulation Some cycle for cost reasons Not required for safety How long to use: Minimum: 8-12 weeks (see results) Common: 3-6 months initially Long-term: Many use 6-12+ months Maintenance: 2-3x weekly ongoing Sourcing quality 50mg GHK-Cu Finding effective products ensures results
Minimum commitment: 5 monthly sessions
PMID: 17603859
Because research in this space continues to evolve, many labs revisit published literature periodically and adjust study designs as new data becomes available
