ON Gold Standard Pro Complex Gainer 5lbs

Optimum Nutrition
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ON Gold Standard Pro Gainer


High-Protein Weight Gainer

Gold Standard PRO Gainer is a high-protein weight gain formula that delivers calories that count during recovery. Each serving is packed with 60 grams of high-quality protein to help kick-start recovery and 82 grams of carbohydrates to restore energy levels. Gold Standard PRO Gainer provides you with the optimal formula for your post-workout shake or to support caloric-intake between meals.


  • High-calorie formula supports muscle building and weight gain goals

  • 650 calories per serving to help boost caloric intake

  • 60g of protein per serving to help build and maintain muscle

  • 81-82g carbohydrates per serving to help fuel workouts and restore energy levels

  • Mixes effortlessly with a blender, shaker or spoon

  • Available in two delicious flavours