I am a woman and making a mass gain diet I thought it was the protein I misread the description and in the end I end up with a huuuuge kalories pot I can not retourtner because the seller does not accept returns. Also I highly inadvisable, this product is a traitor, you will certainly grow fast by faith against you stop taking it you will lose everything (with muscle), there is nothing better than a hyper caloric diet with real food and take in more of the whey, nothing better. I recommend this product: /