gplc glycine propionyl l carnitine Amazon.com: 100 Grams L-Carnitine HCl Powder (gplc) : Health & Household GPLC (glycine propionyl-L-carnitine) nutritional supplement
Description
(PubMed) Hiraoka A, Kiguchi D, Ninomiya T, et al

Carnitine and lipoic Acid alleviates protein oxidation in heart mitochondria during aging process

Warnings Acetyl-L-carnitine was reported to increase chemotherapy-induced peripheral neuropathy in breast-cancer patients undergoing taxane-based chemotherapy, however the underlying mechanism was not clear (Hershman 2018)

An Indian animal study published in the journal Wilderness and Environment showed that giving rats L-carnitine improved exercise endurance
THERMOGENIC: raises body temperature, promoting fat burning

Both appear as white crystalline powders but have distinct chemical structures and properties
