Weeks 4-6: Post-Course Assessment What the research suggests: Most community protocols complete 3-6 weekly injection cycles by this point
Use the Peptide Cost Calculator to estimate your specific protocol
Our protocol adjustments for Fitzpatrick IV-V patients using the GHK-Cu stack include more conservative SkinPen depth settings, lower needle density on the first session, an extended recovery window between sessions compared to lighter skin types, consistent mineral sunscreen guidance beginning two weeks before the first session, and careful timing to avoid treating recently tanned skin
Labs monitor testosterone, free T, estradiol, IGF-1, CBC, metabolic panel, and liver function at regular intervals
I inject often and like the convenience of a larger vial, and the quality is great