R1 Clean Gainer


Clean Gainer by Rule 1 Protein is a superior mass gainer designed for those committed to advancing their fitness goals. Each serving delivers a robust 560 calories, making it an optimal choice for fueling muscle growth and recovery. This formula boasts a 3:1 carbohydrate-to-protein ratio, incorporating a variety of carbohydrate sources, essential amino acids, BCAAs, and a beneficial lipid blend to promote sustained muscle development.

Ideal for athletes, bodybuilders, and fitness enthusiasts who expect the highest quality from their supplements, Rule 1 Protein Clean Gainer combines over 97 grams of quick-acting carbohydrates with 30 grams of a comprehensive protein blend from whey, milk, and casein. This composition is engineered to support significant muscle mass increase.

Benefits of Clean Gainer by Rule 1 Proteins include:

  • A balanced 3:1 carbohydrate-to-protein ratio
  • A substantial caloric intake of 560 calories per serving, with 30 grams of protein and 97 grams of carbohydrates
  • A lipid blend containing MCT, avocado, flaxseed, and sunflower oils
  • More than 14 grams of essential amino acids (EAAs) and 6 grams of branched-chain amino acids (BCAAs)
  • Free from creamers, gums, amino spiking, soy protein, and banned substances
  • Supports muscle recovery and growth while maintaining premium quality as a mass builder

Mixing Directions 

Mix two (2) scoops of R1 Clean Gainer with 14-16 oz. of water, milk, or your favorite beverage in a shaker cup or blender. Shake or blend it up!

Alternate Suggested Mix

In a blender, add your favorite fruit, a tablespoon of peanut or tree nut butter, and ice to the above, mix, and enjoy a protein-fortified smoothie!

Calorie-Dense Suggested Mix

In a blender, add one (1) serving of R1 Clean Gainer, 14-16 oz. of whole milk, and two (2) scoops of ice cream. Blend and enjoy a protein-fortified shake!


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Please ensure that this product is kept out of reach of children and not used if the seal is broken. After use, replace the lid promptly and avoid using a wet spoon or scoop. Store in a cool and dry place below 30 degrees Celsius, away from heat or moisture, and keep out of direct sunlight.

Please note that this is a formulated supplementary sports food and is not suitable for children under the age of 15, pregnant or nursing women, and should only be used under medical or dietetic supervision. Prior to consuming this product, please consult with a licensed healthcare professional. This should not be the sole source of nutrition and should be consumed in combination with a nutritious diet and/or a suitable physical training or exercise program. Do not exceed the recommended daily serving size and discontinue use immediately if any adverse effects are experienced.

R1 Clean Gainer
$99.95$159.95 Select options