glycine propionyl-l-carnitine examine Swanson Propionyl L-Carnitine with Glycine, Amino Acid, 60 Vegan Capsules, 2 Pack Biolor High Absorption Propionyl-L-Carnitine (PLCAR)
Description
Effects of L-carnitine on exercise tolerance in chronic stable angina: a multicenter, double-blind, randomized, placebo-controlled, crossover study

10.1016/S0032-9592(03)00080-3 [DOI] [PubMed] [Google Scholar] 21

It also supports memory and healthy neuropathy*

Zinc deficiency may be a culprit in poor growth, immune function, and wound healing, and skin problems in celiac disease