Serious Mass by Optimum Nutrition is a weight gaining, high calorie, low sugar, protein powder formula.
Optimum Nutrition or ON as they are called also is an American Protein Supplement Company that is owned by Glanbia currently.
Glanbia is a global nutritional and cheese ingredients group.
The history of Optimum Nutrition ON traces back to 1986 and has gone through many transitions and owners but still strives to provide affordable, distinctive, premium quality protein products while keeping up to date with customer needs and market needs at the same time.
One of ON’s best selling protein blends has dominated the market for many years now.
So this weight gainer was a great addition to the Optimum Nutrition range.
Serious Mass gives you 50 grams of protein in a huge 334 gram serve size.
If you need serious calories in your day for whatever the reason, Serious Mass is the way to do it.
The Serious Mass formula also has Creatine, Glutamine, Vitamins, and Minerals added to the protein blend of Whey Protein Concentrate WPC, Whey, Casein Protein, and Egg Protein.
