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Rule 1 Clean Gainer

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Clean Gainer by Rule 1 Proteins is a premium mass gainer specifically formulated for those dedicated to taking their fitness journey to the next level. Packed with 560 high-quality calories per serving, this powerful formula delivers what your body needs for optimised muscle growth and recovery. The unique 3:1 carb-to-protein ratio features multi-sourced carbohydrates, essential amino acids, BCAAs, and lipid blend to support sustained muscle growth.

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Rule 1 Clean Gainer

Rule 1 Protein Clean Gainer is perfect for athletes, bodybuilders, and fitness enthusiasts who demand the best from their nutritional supplements. This muscle gainer combines 97g+ of quick-fuelling carbohydrates with 30g of complete protein blend, including whey, milk, and casein, to help add total size to a growing foundation.


  • Contains a 3 to 1 carb-to-protein ratio
  • 560 calories, including 30g of protein and 97g of carbohydrates per serving
  • Lipid blend featuring MCT, avocado, flaxseed, and sunflower oils
  • Over 14g of EAAs and 6g BCAAs
  • Zero creamers, gums, amino spiking, soy protein and banned substances
  • Assist muscle recovery and growth
  • Premium quality mass builder

A $13.95 flat rate applies to all orders under $149 within Australia. Orders of $149 and more will be shipped for free within Australia with standard shipping.

Express postage is a flat rate of $16.95 on all orders.

Standard shipping delivery times are on average 3-5 business days.

Express shipping delivery times on average are 1-3 business days.

The content provided on this website is not meant to serve as medical advice or as a replacement for professional medical diagnosis, advice, or treatment.

This product is not intended for addressing, curing, or preventing any medical conditions, and it should not be utilized for therapeutic purposes unless it has been listed on the Australian Registrar of Therapeutic Goods.

We cannot guarantee the outcomes that individuals may attain through the utilization of this product or the information presented on this website. The results you experience will be influenced by numerous variables, such as your age, gender, concurrent product usage, medical history, exercise routine, lifestyle, and dietary habits.

Before making any modifications to your diet or incorporating supplements, particularly if you are pregnant, breastfeeding, or managing a medical condition, it's important to consult with your healthcare provider. Always take the time to thoroughly read and understand usage instructions.

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