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 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 Pigeon Supplements Creatine & Carnitine L Carni (15 ml) Racing Pigeon Endurance Supplement RAPIDE ForteX4 Aviform