For years, athletes determined to gain weight have chosen Xcore to provide them with the most convenient and delicious way to consume the massive amount of calories they need. And now, we give them one more reason to keep their trust: introducing the new Xtreme Mass Gainer. An improved version of a classic staple, designed both for people with a fast metabolism, who find it hard to gain weight, and for sportspeople subjected to intensive training programs, who require large amounts of calories.
