Having a faster metabolism and on-the-go lifestyle makes it difficult to get the calories and protein you need for muscle growth. Ant Mass Gainer provides 1,900 calories and 83 grams of high quality proteins including whey protein isolate, hydrolyzed whey protein, and micellar casein, to deliver the nutrition you need in one convenient serving. Loaded with Additional Muscle Fuel. Ant Mass Gainer also delivers 7.7 grams of L-Leucine, the BCAA that is directly involved in activating muscle protein synthesis, the process that builds your muscles and allows you to get stronger. In addition to a comprehensive blend of critical amino acids, Ant Gainer provides you with 1.5 grams of Creatine Monohydrate as well as a full vitamin and mineral blend, all to support accelerated muscle gains. New Improved Taste. Our in-house flavor specialists worked long and hard to create even more decadent flavors we know you will enjoy. So rich and delicious that you will look forward to the next shake. Gluten-Free.