Rule1 Mass Gainer Protein Weight Gainer 6 Lbs. ( 8 serving )

A Rule 1 ProductHigh Calorie Weight Gainer
40g all-whey protein per serving
Over 1,220 calories per serving
250g+ complex carb blend
Informed Choice Certified – regularly tested for banned substances by LGC, a world-class sports anti-doping lab


Calories, Protein, & More
Building mass requires consuming more calories than are burned, and quality mass demands attention to the nutritional composition of those calories. Mass Gainer delivers the complete package with premium all-whey proteins for recovery, fast-digesting carbs for energy, and creatine monohydrate to support size and strength gains.^

Anytime Formula
Mass Gainer should be used alongside regular meals—not as a replacement—to support daily calorie goals. For best results, combine with a nutrient-dense diet and consistent resistance training.

Clean Manufacturing & Quality
Mass Gainer is crafted in Rule 1's state-of-the-art, GMP-certified facility in the USA using premium globally sourced ingredients. It's rigorously tested for banned substances and certified by Informed Choice.