Serious Mass At a Glance :
- Adding calories has never been this easy or tasted so good
- Enhanced with creatine, glutamine, and glutamine peptides
- Calories per serving: 1,250
- Grams of protein: 50
- Grams of carbs: 250+
- Vitamins and minerals: 25
Serious weight gain requires serious calories. Ironically, those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, highly active metabolisms, weaker appetites, and on-the-run lifestyles make consuming sufficient calories through whole foods alone a real challenge. With Optimum Nutrition Serious Mass, you've got nothing to lose and lots to gain. ON has consolidated over 1,250 calories, 50 grams of protein, over 250 grams of carbohydrates, and 25 vitamins and minerals, with added glutamine and creatine in every serving. It's time to stop thinking small; get Serious Mass.
NSF International Logo Quality Counts: GMP Certified Products Optimum Nutrition's commitment to quality is evident throughout the entire product development process. As a continued measure of quality, all vendors must provide a Certificate of Analysis for each raw material supplied. The certified analyses are also verified through random in-house and independent laboratory testing. To further diminish any chance of physical, chemical, and microbiological contaminants, ON has established and implemented a Hazard Analysis Critical Control Point (HACCP) program. Quality assurance professionals make routine checks on all storage, blending, and production areas and conduct daily inspections.
ON is proud that its in-house manufacturing operation has been registered under the NSF International, The Public Health and Safety Company, Good Manufacturing Practices (GMP) Program. Together, these practices and procedures allow ON to consistently deliver first-rate sports nutrition supplements under the strictest quality control standards.
Optimum Nutrition: True Strength
About Optimum Nutrition: True Strength
Since 1986, Optimum Nutrition has been supporting the nutrition goals of elite athletes around the world. Building on a foundation of company owned and operated production facilities, unparalleled manufacturing expertise, and uncompromising quality standards, ON continually strives to bring athletes and active individuals sports nutrition solutions designed to make a real difference in performance. Whether your goals involve strength, speed, power, endurance - or any combination - ON supplements work as hard as you do. Realize your True Strength with the quality and innovation leader.