TB-500 vs. GHK-Cu

Head-to-head comparison based on the profiles in the PepCycle library.

AttributeTB-500GHK-Cu
ClassHealing PeptidesSkin & Cosmetic Peptides
DescriptionA synthetic version of Thymosin Beta-4, a naturally occurring peptide in the human body. Researched for tissue repair and regeneration properties.A naturally occurring copper peptide found in human plasma. Extensively researched for skin regeneration and anti-aging properties.
Dose in studies2-5 mg twice weekly during loading, then weekly1-2 mg per injection/usage
Frequency2x weekly loading, then weekly maintenance1 x daily (injectable) or 2x daily (topical)
Half-life~2-3 hours~1-2 hours
Cycle length4-6 weeks loading, then maintenance as needed4-12 Weeks, Continuous use acceptable for topical
Research level2/5 – Limited research2/5 – Limited research

TB-500: full profile · GHK-Cu: full profile

Values from research literature – not medical advice.