Another review of 10 studies published in Frontiers in Nutrition in 2021 concluded that L-Carnitine has a potential but modest effect on weight loss in patients with type 2 diabetes
Because GHK is naturally present in the body, declines with age, has an extensive safety record, and shows consistent regenerative and protective effects across many tissues (skin, lung, nerve, connective tissue, and more), the study proposes that GHK represents a promising therapeutic and preventive compound
It also reduced cellular apoptosis, activity of the FoxO1 (forkhead box protein O1) gene and altered the mitochondrial function via the Bcl-2 gene
Pories WJ, Dohm GL
These effects can lead to damage to cells and tissues, further burdening the liver and other organs involved in detoxification
Mellingen RM, Myrmel LS, Rasinger JD, Lie KK, Bernhard A, Madsen L, Nstbakken OJ (2022) Dietary selenomethionine reduce mercury tissue levels and modulate methylmercury induced proteomic and transcriptomic alterations in hippocampi of adolescent BALB/c mice