Nutrition supplements and ergogenic aids are more and more used for improving the sportive performance. But, using supplements and ergogenic aids has to follow a good nutritional and medical control, and also chemical composition or associated effect with other substances has to be very well known. Bovine colostrum is the first milk secreted during the first days after calving and is a very appreciate nutritional supplement for tow reasons: is natural product and has very complex composition that can satisfy all the needs, besides oxygen for respiration. The first milk is very rich in proteins, immunoglobulins, and minerals and has less lactose and fat compare to mature milk. Colostrum supplementation has no intake restriction even for athletes before the competitions and some researchers demonstrate an improving recovery after heavy training periods.