R1 Mass by Rule 1 232495789 Designed for efficient absorption

Designed for efficient absorption

you will take advantage of the highly publicized “anabolic window

With 25g of protein per serving and essential amino acids like tryptophan

L-LYSINE is most commonly used by athletes to improve the quality of vegetable proteins

450mg Magnesium Bisglycinate

R1 Mass by Rule 1 232495789 Designed for efficient absorptionPresenting a powerhouse in the realm of mass gainers, R1 Mass Gainer offers an astounding repertoire of benefits tailored to elevate your muscle mass journey. Boasting an impressive intake of over 1,220 calories, a substantial surge of more than 250g of high quality carbohydrates, and a robust dose of 40g of clean protein meticulously sourced from three distinct variations of whey, this formulation is your key to embarking on a transformation towards