• Authentic Optimum Nutrition Product
• *0 g Protein
• **2 g Carbs
• *5 Vitamins & Minerals
• Naturally & Artificially Flavored
• Dietary Supplement
• ***0 Calories

The True Strength of Weight Gainers

Serious weight gain requires serious calories. However, those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, a highly-active metabolism, weaker appetite and on-the-run lifestyle can make it a real challenge to consume enough calories through whole foods alone. With Serious Mass, youve got nothing to lose and lots to gain. Weve consolidated 1,**0 calories, *0 grams of protein, **2 grams of carbohydrates, *5 vitamins & minerals, glutamine and creatine into every serving. Its time to stop thinking small; get serious Serious Mass.