l carnitine alcohol L-Carnitine 3000 Liquid Shots, Blue Razz, 16 fl oz (473 ml) L-Carnitine: Benefits, side effects, and
Description
More importantly for this discussion, it acts as a cofactora "helper" moleculethat is absolutely necessary for the enzymes that build and stabilize collagen

Store vials in a dark area of your refrigerator or wrap them in foil
Berryman DE, Glad CAM, List EO, Johannsson G

Role of oxidants/antioxidants in smoking-induced lung diseases
