Lactate functions beyond a metabolic byproduct, however
A claim that an oral capsule produces systemic effects (fat loss, muscle repair, growth-hormone release, brain effects) should trigger immediate scrutiny, because systemic oral delivery of an unmodified peptide is precisely the hard problem that decades of formulation science have only partly solved for a handful of engineered drugs
How long does it take to start feeling refreshed after a Vitamin B12 shot
Whitford TJ, Rennie CJ, Grieve SM, Clark CR, Gordon E, Williams LM (2007)
Neurodegenerative diseases: a decade of discoveries paves the way for therapeutic breakthroughs
What we lack is the large randomized controlled trial evidence for GHK-Cu in human hair loss that we have for minoxidil and finasteride