Cometabol Drain 500mCometabol drain is full of minerals and oligo elements. Cometabol drain improves the physical shape because it balances the feeding of the muscles and the excretional functions. Use: Before the breeding, racing and moulting : 1 cure of 7 to 10 days. With difficult races : give Cometabol drain during 3 days after the return. Dose: 10 ml per kg of food or per litre of drinking water.