Since different proteins have distinct amino acid profiles and utilization rates, Pro Complex Augmented Protein System (APS) combines 8 sources to create a superior protein blend, designed to enhance your muscle-building potential. Uniting whey protein isolates, egg albumen, and hydrolyzed proteins, and key Free Form Amino Acids, Optimum Nutrition has created a protein with varied digestion rates and an amino acid profile that's off the charts. Each serving of Pro Complex APS is packed with 60 grams of the highest quality proteins commercially available. Simply put, it's formulated to take you to the next level.

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Pro Complex (Optimum Nutrition) - Average rating 5 (9 reviews)  - Write a review Show Reviews Reviews (9) (0) (0) (0) (0) See all 9 reviews   1 of 2 people found the following review helpful. February 20, 2007 Reviewer: anthony in New York I have to say up front if that as an exercise enthusiast, I'm not interested in taste as much as results. I'm old school that way.... Food is to feed the machine as a necessity.... Great taste is just a bonus sometimes. So, with that in mind, Optimum tastes good, but more importantly, as I only consume the vanilla flavor, it gets you the results you want. It is the highest amount per 2 scoop serving of protein you can get from a powder with minimum carbs and fat. Other powders say they have more protein but to get it you have to use 2.5 to 3 scoops of theirs to get it! Muscle Milk is #1 in taste; It really does taste like a fast food milk shake. But I have tried it and have not gotten the same results that Pro Complex delivers and I have been using it for over 10 yrs. It is also super instantized which some protein powders are still not....So if you like carrying a blender in your bag or pocket, good luck! Was this review helpful to you? Yes  No January 05, 2010 Reviewer: Gordon M. in Utah My son-in-law turned me on to this protein several years ago and I have been using it ever since. It is great to keep you full for the base of a snack meal and really great for a bed time meal. For blended proteins the taste is just great and it mixes with no trouble at all. I haven't found any protein blend that I like better. I will continue to order this product. Was this review helpful to you? Yes  No October 21, 2009 Reviewer: Luciana in Illinois I liked this product a lot. Has excellent properties and the strawberry isn't bad for strawberry (but I'm gonna try chocolate next). This review is specific to Pro Complex, Strawberry Swirl Was this review helpful to you? Yes  No June 02, 2009 Reviewer: frank in New York I have been working out for 3 years hard now and I have tried many different proteins and this one offers all the different proteins into one which makes it very convenient for someone who is busy like me. I highly recommend this in addition to the optimum whey. Was this review helpful to you? Yes  No September 25, 2008 Reviewer: Shane in Pennsylvania I have tried the chocolate, vanilla and rocky road. I don't like the vanilla because it tastes kind of fake and really not like vanilla should. The rocky road is pretty good. The Chocolate is the best I have tried and tastes really good. All are easy to mix and deliver a large amount of blended high quality protein. I would 100% recommend the chocolate. Was this review helpful to you? Yes  No See more reviews