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 Energy 500g FLIGHT FUEL `The racing supplement' containing L Carnitine, Cog 10 Ginseng and B group vitamins. Unique in providing the most important multiple co factors essential in the release of sustained energy. Flight Fuel is unique in 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 L Carnitine & Co. in the race: How to specifically boost the energy metabolism of your racing pigeons