EGF is bioactive but barrier-limited: the molecule does what it does only if it reaches the keratinocyte layer, and standard topical formulations deposit most of it on the stratum corneum where it has no relevant receptor
It does make a lot of sense, says Lorenzo Leggio, an addiction researcher at the National Institute on Alcohol Abuse and Alcoholism and the National Institute on Drug Abuse.* Ozempic, one of the brand names for the drug semaglutide, targets a hormone that tells the body when it is full and, through mechanisms that are not fully understood, weakens the brains association between food and pleasure
and Fernndez-Checa, J.C
Lyophilized format: Freeze-dried form supports stability during storage and transport (reconstitution handled per lab protocols)
however, direct data linking GLP-1 signaling to improved healthspanthrough measures such as physical function, frailty indices, cognition, or time-to-disabilityremain limited in humans
M.EmmettP.ZemanickE