When administering L carnitine to pigeons, the frequency and duration depend on the purpose. #pigeon #pigeonsport #pigeonracing The main ingredient of Carni Speed is L carnitine. This vitamin like substance has a central role in the fat metabolism of pigeons. With a dosage of 10 ml litre of drinking water, the pigeons receive Boost IT Pigeon Supplement Powder, 500GM, Increases Flight Performance, L Carnitine, B Vitamins, Creatine : Amazon.in: Pet Supplies The Racing Pigeons Supplies Store: Dr. Brockamp C M K 500 ml (Carnitin Magnesium Complex). Racing Pigeons Supplies