Building muscle takes calories, but those calories can’t just be junk: they have to be from good nutritional sources. Optimum Nutrition Pro Complex Gainer is a lean gainer which is low in sugar and high in protein. With Optimum Nutrition Pro Complex Gainer you are getting the calories and the quality nutrients.

Each 165g water-mixed dose* contains 650 calories, comprising the very best quality high BV proteins of fast releasing and slow releasing properties (Whey Protein Isolate, Concentrate and Hydrolysate; Calcium Caseinate, Egg Albumin, and Glutamine Peptides).

* If mixed with milk, you obviously get even more nutrients.

So, how much protein per dose? 60g

In this mix you get 79g of complex carbohydrates and only 6g of sugar.

It’s fat contents include MCT (Medium Chain Triglycerides) and various lipids. In total, it has 8g of fat per dose (4g from saturated fat).

Sometimes compared to Optimum Nutrition Serious Mass, Optimum Nutrition Pro Complex Gainer is significantly different in more ways than one.

Notably, Pro Complex Gainer contains over double the protein, no creatine, and has around half the simple carbohydrates (sugars) Serious Mass does.

It comes in Banana Cream Pie, Double Chocolate, Strawberry Cream and Vanilla Custard flavors.