




R1 Clean Gainer
Rule 1 Clean Gainer – High-Quality Mass Gainer for Muscle Growth & Recovery
Fuel your training and recovery with Clean Gainer, a premium mass gainer delivering 560 nutrient-rich calories per serving. Formulated with a precise 3:1 carbohydrate-to-protein ratio, it’s designed for athletes and active individuals who want clean, effective fuel—without unnecessary fillers or artificial additives.
With a 30g premium protein blend (whey concentrate, milk isolate, micellar casein), 97g+ quality carbs from oats, quinoa, and sweet potatoes, plus a healthy fat blend including MCTs, avocado oil, and flaxseed, Clean Gainer™ supports lean muscle growth, sustained energy, and post-workout recovery.
Key Benefits
- 560 nutrient-dense calories per serving for growth & recovery
- 30g premium protein blend (whey, milk isolate, casein)
- 97g+ carbs from whole-food sources: oats, quinoa, sweet potato
- 14g+ EAAs & 6g BCAAs to support muscle repair & recovery
- Healthy fat blend with MCTs, avocado oil, flaxseed & sunflower oil
- No artificial fillers—just clean, performance-driven nutrition
See Nutritional Information Image

After Workouts/Between Meals
Clean Gainer™ should be combined with a calorie-rich diet and regular resistance training. For best results, use 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 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 Clean Gainer, 14-16 oz. of whole milk, and two (2) scoops of ice cream. Blend and enjoy a protein-fortified shake!