Heres what matters: at age 20, your plasma concentration of GHK-Cu averages around 200 ng/mL
"Actions of Thiols, Persulfides, and Polysulfides as Free Radical Scavenging Antioxidants"
Subcutaneous pellets : Inserted under the skin and replaced every three to six months, pellets provide long-term testosterone delivery but require minor surgical procedures
Heshmati J, Moini A, Sepidarkish M, Morvaridzadeh M, Salehi M, Palmowski A, Mojtahedi MF, Shidfar F
At 5mg/mL, a 1mg dose requires 20 units instead of 10, and that extra granularity helps when every fraction of a milligram counts
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