Not to be confused with Pro Complex Gainer, Optimum Nutrition Pro Complex is as low-carb, low fat all protein as they come. If you are looking for a heavy duty and varied source of top-quality protein (60g per 74g dose, to be exact), this is it.

Optimum Nutrition Pro Complex protein blend consists of Ion-Exchange and Cross Flow Microfiltered Whey Isolate, Hydrolyzed Whey Peptides, added BCAA’s (L-Leucine, L-Isoleucine, L-Valine) and Egg Albumen, Glutamine and Glutamine Pre-cursers. The result: An outstanding muscle-building amino acid profile with time-varied release.

It’s much lower carb than other proteins out there, with slight nutritional differences between flavors, per 74g dose:

Banana Cream:

60g premium protein blend, 280 calories, 9g of carbohydrates (1g of which are sugars), and 0.5g of fat.

Creamy Vanilla:

60g premium protein blend, 260 calories, 4g of carbohydrates (1g of which are sugars), and 0.5g of fat.

Rich Milk Chocolate:

60g premium protein blend, 270 calories, 5g of carbohydrates (1g of which are sugars) and 1g of fat.

Rocky Road:

60g premium protein blend, 270 calories, 5g of carbohydrates (2g of which are sugars) and 1g of fat.

Strawberry Swirl:

60g premium protein blend, 260 calories, 4g of carbohydrates (1g of which are sugars) and 0.5g of fat.

Each flavor also contains numerous vitamins and minerals, plus digestive enzymes to ensure the protein is assimilated more thoroughly.