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Serious weight gain goals require serious calories. Unfortunately, those who need the extra calories most often have a hard 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 get enough calories from food. With 1,250 calories and 50 grams of protein per serving, you’ve got lots to gain from ON’s Serious Mass. Get serious about your sizable ambitions with Serious Mass.
1,250 calories per serving mixed with water and 1,640 calories when blended into low-fat milk. Over 250 grams of carbohydrates to fuel intense workouts & help replenish glycogen stores – with no sugar added. Includes 25 Vitamins & Minerals, Creatine, Glutamine & MCTs.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
With less than 5 grams of fat per serving, and no added sugars, Serious Mass is the weight gain formula packed with calories that count during recovery.
Using an electric blender, you can add nuts, fresh or frozen fruits and other calorie-contributing ingredient to enhance the weight gain and muscle recovery potential of Serious Mass.
Between meals, after weight training and before bed.
Optimum Nutrition (ON) was founded in 1986 with a mission to set higher standards for the sports nutrition industry. As one of the few manufacturers to own and operate state-of-the-art production facilities that are GMP compliant, ON’s commitment to quality is uncompromising. You’ll appreciate the extra effort the industry leader puts into assuring ingredient purity, effortless mixing and exceptional taste.
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I instantly regret buying a 12 pound bag. But meh, It's protein, it works. You have to give it that. Just... Start a little lighter. Read morePublished 1 day ago by Gunthex
A great gainer for those extra calories. Everyone is always getting critical about gainers. If you want the extra calories to put on mass, pick up the big bag and be on your way. Read morePublished 2 days ago by Adam J. Zaremba
I would have given this a 5 star but I wasn't able to reseal the bag after opening. I made sure to be careful when opening the bag but didn't matter because the seal didn't work. Read morePublished 3 days ago by dylon
This stuff is great.. I'm a very skinny guy and I started using this product around 130 pounds at age 17.. 2 months later im 150! Read morePublished 3 days ago by Travis
This product works extremely well for me and tastes amazing, I'm what people called a "hard gainer" I could put in work in the gym and eat well balanced meals at home, and... Read morePublished 3 days ago by Lauro Rodriguez
Anyone who says they're gaining weight from this probably doesn't realize that weight is fat. All that maltodextrin will kill you. Seriously.Published 4 days ago by Al