ghk-cu injections vs topical “Is actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, Injections vs topical - here's

Particles that should never enter the bloodstream begin to slip through, triggering immune responses and systemic inflammation

Indeed, the recent, much-hyped report of increased cancer in aspartame-dosed rodents (3) actually made me less nervous about aspartame: it (a) really didn't clearly show any increased cancer risk (they hyped up non-statistically-significant elevations in incidence of some cancers late in life, but also NS decreases in others), and indeed (b) reported identical survival curves between aspartame-treated and untreated animals (if anything, it looked like females given the highest dose lived LONGER on average than untreated animals)

These benefits include improvements in the skin lightning and clarity, reduced inflammation, and improved overall health

glutathione provides the fuel

Sounds unbelievable