The main ingredient of Carni Speed is L carnitine. This substance, which is similar to a vitamin, plays a central role in the metabolism of pigeons. With a dosage of 10 ml litre drinking water Racing Pigeons: Vita B Forte 100 tablets (Revitalizing, it increases the resistance) Vydex Carbosol for Energy, Endurance & Recovery The main ingredient of Carni Speed is L carnitine. This substance, which is similar to a vitamin, plays a central role in the metabolism of pigeons. With a dosage of 10 ml litre drinking water Boost IT Pigeon Supplement Powder, 500GM, Increases Flight Performance, L Carnitine, B Vitamins, Creatine : Amazon.in: Pet Supplies