Ronnie Coleman Signature Series L-Carnitine 3000 | Liquid Dietary Supplement |31 ServingsAdded Pantothenic Acid which works directly with carnitine to help convert macronutrients into energy. Its also great for maintenance of healthy cellular metabolism L Carnitine is also important for bodybuilding, mainly because it minimizes the fat buildup around the muscle and provides better synthetic reception of gluco corticoids and an increase of ATP. Carnitine is the only conditional amino acid that you can supplement for long term use