Human evidence remains confined to topical cosmetic work, including a 12-week trial in 71 women using formulations in the 0.11% concentration range applied to skin [5]
TB-500 (Thymosin Beta-4) : A regenerative peptide that enhances cell migration, reduces inflammation, and accelerates recovery in soft tissues
These supplements come in the form of oral supplements and injections
The scientific studies of these experimental drugs were never large enough or long enough to establish a clear safety profile, so all we are left with are vague reassurances from tiny studies and testimonials from YouTubers and TikTokers
But since peptide coupling agents are described as immune sensitizers, it stands to reason that the risk even if its small exists for everyone.18 Copper peptide uglies Anecdotal reports suggest that some people may experience worsened skin aging, instead of anti-aging, after using products with GHK-Cu, a rare concern dubbed copper peptide uglies. While this isnt necessarily a safety issue, it is a (again, rare) potential negative effect of using copper peptide products