This product is not Weigt gainer in matrimonial purposes, the complex carbohydrates per + Vitamins brings fresh and quick energy during the competition and training and is relevant only to the muscular endurance to give briefly to have more energy and power. On the packaging is even that it is a diet powder .... so I can associate myself with previous speakers nich, they have this product confused with security with this: PNC Europe Protein Shake MEGA MASS Weight Gainer, 1500g