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Support heart and muscle health
Build more lean muscle due to the combination of high-quality whey protein isolate and whey protein concentrate
or other supplements depending on individual routines
concentration
R1 Mass Gainer by Rule 1 Proteins Fathers Day Support heart and muscle healthR1 Mass Gainer by Rule 1 Proteins Looking to increase size and strength as part of your training routine? R1 Mass Gainer by Rule 1 Proteins is a high calorie mass gainer designed to support your muscle building goals. With a 6: 1 carbohydrate to protein ratio and over 1,200 calories per serving, this advanced formula is tailored to help you increase your daily intake and fuel your workouts. Formulated with three quality whey protein sources and over