MASSIVE CALORIE BOOST - Fuel your gains with 1250+ calories per serving to power through intense workouts and recovery.
UNISEX AND ADULT FOCUSED - Formulated to support the nutritional needs of all adult fitness enthusiasts.
BULK SIZE FOR SERIOUS LIFTERS - 9.1 lb container ensures you never run out during your muscle-building journey.
IRRESISTIBLE STRAWBERRY FLAVOR - Enjoy a tasty, smooth shake that makes muscle-building a delicious daily ritual.
TRUSTED BRAND WITH SAFETY FIRST - Use responsibly and consult your physician to maximize benefits safely.
ON Serious Mass is a high-calorie weight gainer supplement designed for adults seeking to increase muscle mass efficiently. Each serving delivers over 1250 calories in a delicious strawberry flavor, packaged in a convenient 9.1 lb container to support sustained muscle-building efforts.
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