Rule 1 Clean Gainer

Rule 1 Proteins' High-Protein Lean Gainer

With a precise combination of premium proteins, fast-fueling carbohydrates, and functional fats, Clean Gainer is designed to help add quality, incremental size to growing physiques. Each serving supplies 560 nutrient-dense calories to power workouts, add lean gains, and assist muscle recovery without unnecessary bulk.

QUALITY CALORIES

From full-spectrum proteins to multi-source carbohydrates and energy-dense fats, Clean Gainer delivers quality calories the body can use for fuel, growth, and recovery.

After Workouts & Between Meals

Consume after workouts, between meals, or before bed to boost daily calories and protein. Use Clean Gainer alongside meals—not as a meal replacement. For best results, use consistently with weight training.

Clean Manufacturing & Quality

Clean 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.

About The Brand

Rule 1 Proteins is more than just a supplement brand. With over a decade of experience in sports nutrition, Rule 1 manufactures all products in its state-of-the-art facility using premium globally sourced ingredients to deliver consistent, top-quality results in every scoop. No shortcuts, no compromises—just products designed to help athletes and fitness enthusiasts perform at their best.