R1 MASS GAINER BY RULE 1 PROTEINS

R1 Mass Gainer puts you in charge of transforming with over 1,220 calories, more than 250g of carbohydrates, and 40g of protein from three types of whey. The 6:1 carb-to-protein ratio in this calorie-packed formula can help you pack on desired pounds.

What sets R1 Mass Gainer apart from other weight gainers on the market is its powerful formula. It contains a combination of high-quality proteins, complex carbohydrates, and essential fats. Which work together to provide the body with the nutrients it needs to build lean muscle mass.

In addition to a 6:1 carb-to-protein ratio, this calorie-packed formula includes creatine, MCTs, and glutamine to help you achieve your most SIZEable aspirations.

• Over 1,220 calories!†
• 40g all-whey protein†
• 250g+ complex carb blend
• Creatine and MCT enhanced
• 9g naturally-occurring BCAAs†^^

Our transparent formula’s negatives are real positives:

• ZERO Creamers
• ZERO Spiking
• ZERO Soy Protein
• ZERO Banned Substances

R1 Mass Gainer is formulated with a blend of three types of whey protein, including whey protein concentrate, whey protein isolate, and whey protein hydrolysate. This combination of proteins provides the body with a fast-acting source of amino acids, which are essential for muscle growth and repair.