Rivalus Clean Gainer 12lb
To pack on serious size, you need to consume more energy than you burn. A number of variables need to be factored in, but 3,500 calories per pound of added body weight is a commonly referenced estimate. True hard gainers may need even more. In a world of fast food, finding extra calories isn’t hard. Getting quality, protein-rich calories to back-up your gym time? Now that’s a different story.