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Looking for a clean mass gainer that prioritizes quality over quantity? R1 Clean Gainer can help you hit your desired gains.

R1 Clean Gainer is a detailed and nutrient-dense mass gainer packed with over 560 high-quality calories delivered in a 3:1 carb-to-protein ratio. With almost 100g of multi-sourced carbs, this formula also contains over 14g of EAAs and 6g of BCAAs.

With care in every process, this formula contains zero banned substances, creamers, gums, amino spiking or soy protein.


  • 560 concentrated calories
  • 30g full-spectrum protein per serve
  • 97g+ multi-sourced carbs
  • Packed with EAAs and BCAAs
  • Contains lipid blend
  • Zero banned substances

This clean mass gain matrix contains a lipid blend that includes MCT Oil, Avocado Oil, Flaxseed Oil, and Sunflower Oil to support muscle recovery and endurance.

The 30g of full-spectrum protein combines whey, milk and micellar protein to promote lean gains and mean results.

In addition, enjoy a complex carbohydrate blend of Quinoa, Organic Blueberry Powder, Ginger Root Powder and more.

How To Use 

After Workouts/Between Meals

R1 Clean Gainer™ should be combined with a calorie-rich diet and regular resistance training. For best results, use R1 Clean Gainer along with the foods and beverages that you normally consume for additional daily calories and nutrients. 

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!