3 Review(s)

Building optimum Mass requires Optimum Supplement intake. Unfortunately, those who need the extra calories most often have a hard time consuming enough of them. For many aspiring to be bigger, a highly- active metabolism, weaker appetite and on-the-run lifestyle can make it a real challenge to get enough calories from food. With 1,300 calories and 75 grams of protein per serving, you’ve got lots to gain from Rektron’s Giant Mass