XR Series™ BCAA Advance XR™ - Berry Fusion | GNC

GNC Pro Performance® XR Series™ BCAA Advance XR™ - Berry Fusion


Item # 386213


Size: 30 Servings

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XR Series™ BCAA Advance XR™
  • Advanced BCAA System to Spare Muscle Breakdown & Preserve Glycogen*
  • Immediate & Sustained 6 Hour Extended Release Anabolic Leucine
  • OT2™ Technology for Advanced Muscle Protein Synthesis*
GNC’s superior Pro Performance® XR Series™ BCAA Advance XR™ is uniquely formulated to help athletes receive immediate release of muscle fueling Branched Chain Amino Acids (BCAA), plus a longer lasting supply of anabolic Leucine. Leucine is the key BCAA shown to impact muscle protein synthesis.* This anabolic bulking block is now Optimal Timing Technology - OT2™ - enhanced to provide a sustained release of Leucine for six hours.

OT2™ is GNC’s intelligent nutrient delivery system engineered to help release key ingredients during crucial times when you need them most! These breakthrough products are designed to deliver immediate and sustained release of ingredients to help maintain benefits throughout your workout, day or night. OT2™ ingredients are coated with a special technology that controls when they are released.

These special actives may be seen in the product- now that’s a real technology you can see and feel! It goes without stating that protein is critical for stimulating muscle synthesis and preserving muscle glycogen stores. Leucine, a key branched chain amino acid, is one of the primary nutrients in protein responsible for these benefits. With the introduction of the unique, sustained-release technology, now muscle fueling leucine is released for up to six hours!

The full muscle building potential of a GNC product is based on its total nitrogen content- so the more nitrogen a product has, the stronger it will perform. Nitrogen needs increase during training, and if nitrogen levels are low, your body pulls from muscle stores which can result in catabolism, poor performance and longer recovery. To fuel performance and anabolism, Pro Performance® XR Series™ BCAA Advance XR™ is loaded with 5 grams of nitrogen-boosting ingredients.

Notice: Significant product settling may occur.

Label (click image to enlarge)


As a dietary supplement, mix one scoop (10.6g) with 6 fl.oz. of water or your favorite beverage in a shaker cup daily. Enjoy pre- or post-workout or in between meals.

Other Ingredients

Natural and Artificial Flavors, Citric Acid, Hydrogenated Vegetable Oil (contains one or more of the following: soybean, palm and cottonseed), Malic Acid, Monoglycerides, Sucralose, FD&C Red #40
Distributed by: General Nutrition Corporation Pittsburgh, PA 15222

Nutrition Facts

Serving Size  1 Scoop
Servings Per Container  30

Amount Per Serving     % DV

  Calories from Fat 5  

  Saturated Fat 0g  
Total Carbohydrate 2g   1%
Calories 15  
Total Fat 0.5g   1%

Leucine Blend (L-Leucine, OT2™ L-Leucine)  5 g   **
L-Isoleucine   1 g   **
L-Valine  1 g   **

** Daily Value (DV) not established.


3.4 / 5.0
8 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Doesn't mix
I am of the same opinion as Jen r in that it doesn't mix. Maybe the benefits are still good - idk, but it definately doesn't mix.
September 17, 2017
doesnt mix
this powder does not mix.ATT ALL.... you are left with water and little chunks of powder....def wouldn't buy or recommend.(flavor is good though)
August 28, 2017
Response from GNC
Hi Jen, thanks for your feedback. We want you to be fully satisfied with every item that you purchase from If you are not satisfied with an item that you have purchased, you may return the item within 30 days from the order date for a full refund of the purchase price, minus the shipping and handling charges. The item must be returned, unused or used, in good condition, in original boxes (whenever possible), and with all paperwork and accessories to ensure full credit.
You may also want to visit your local GNC store and speak to one of our associates who can find the best product for your needs.
August 31, 2017
John TStaff
No notable differences
I like this product because it tastes good and I have only been taking it for a week, but I haven't seen any noticeable differences in training or recovery yet. Waiting for it!
August 2, 2017
3 months ago
Great! Take everyday reasonably priced
August 2, 2017
3 months ago
I like it
First time using this product and on the first day I had more energy to carry through the work out and a boost in strength performance.
November 8, 2015
Doesn't mix.
The flavor isn't bad. But as someone else mentioned, the weird film that forms on top when adding water is unappealing. Almost comical, actually. It reminds me of a strange witch's brew. What's really unfortunate is how terribly bad this stuff mixes. It clings to the inside walls of my blender bottle like there's a static attraction. No matter what, I've ever tried refilling with water and shaking again (twice), it all doesn't mix in. I will definitely not be buying this stuff again.
October 5, 2015
My favorite BCAA
I have been using this BCAA for over 6 month now and I really like it. I mix it with propel water and it taste great. I drink it during the day and during work outs and it gives me a great boost during HITT sessions. The only thing I don't like is that it doesn't mix well.
January 3, 2014
I like it
I saw some good gains when using this along with L-Arginine and L-Orinithine during workouts. It helped get me over my plateau.
July 27, 2013