l-carnitine fumarate free form Vitamatic 1000 mg CoQ10 L-Carnitine Fumarate - 120

L-glutamine 5g of L-glutamine can be added to a shake or water, and it can be taken before, during, or after exercise, and can be added to BCAAs and creatine

(3-carboxy-2-hydroxypropyl)trimethylammonium Acetate (ester) Chloride 54

Nature 452 , 896U10 (2008)

J Bioenerg Biomembr

Note that this was just supplementation alone and not combined with weight lifting or exercise.[ref] In a study involving both young athletes and untrained, middle-aged adults, carnitine supplementation increased carnitine levels in the muscles.[ref] For acute aerobic performance, oral supplementation with 1-3g/day of carnitine gives a slight edge, but it doesnt affect more moderate intensity athletic performance.[ref] Supplemental L-carnitine in old age: Access this content: An active subscription is required to access this content