The structure is what gives the peptide its specific function, and aggressive handling can physically damage that structurea process called denaturation
Though Im skeptical that many such people are found among the readers of Asterisk
Amino Acids 49 , 10051028 (2017)
Prospective study of hydroxocobalamin for acute cyanide poisoning in smoke inhalation
Concurrently, accelerated AGE accumulation leads to activation of the receptor for AGEs (RAGE) on endothelial cells and pericytes, amplifying oxidative stress and Nuclear Factor-B (NF-B)-mediated inflammatory signaling, thereby contributing to Blood-Retinal Barrier (BRB) disruption and pathological angiogenesis (37, 48, 49)
Every product goes through multiple 3rd-party tests to verify purity, accurate weight, and that its toxin-free