This product was designed by Dr. Jordan Feigenbaum to his specifications and is GMP certified so you know that you're getting what is on the label.

Whey Rx is a non-GMO whey protein isolate (WPI), which means that it...

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Product Review

This product was designed by Dr. Jordan Feigenbaum to his specifications and is GMP certified so you know that you're getting what is on the label.

Whey Rx is a non-GMO whey protein isolate (WPI), which means that it has a higher amino acid and protein concentration with fewer calories from carbohydrates and fats than other types of proteins. You'll notice that there are only four ingredients in our product: whey protein isolate, cocoa powder, natural flavors, and Stevia. This simple combination doesn't include the additives that other products have, giving you more of what you want with zero junk. In fact, the only things we've added to the protein are the muscle-building branched-chain amino acids (BCAAs) leucine, valine, and isoleucine. These are the workhorses of any protein source - without them, it doesn't matter how many grams of protein a supplement has, because it won't work optimally without the right amount of BCAAs. We spared no expense making a high quality, minimally processed, BCAA-packed protein because there isn't anything like this on the market. We hope you like it as much as we do!

What's in it?

- 30 servings of Non GMO Whey Isolate, Cocoa Powder, Natural Flavors, and Stevia.

- Each serving has 3 grams leucine, 1.5 grams valine, and 1.5 grams isoleucine

- No fillers, no protein spiking, no gums, thickeners, or additives.

- This is a high quality whey protein currently unlike anything else on the market.

How do I take it?

We recommend using 1 serving at a time, mixed with 6-80z of water, milk, or other liquid. 1 scoop contains enough BCAAs to drive muscle protein synthesis in just about everyone. GainzZz Rx Whey Chocolate.

  • Just 4 Ingredients - Non-GMO Whey Isolate, Cocoa Powder, Natural Flavors & Stevia
  • Perfectly Dosed (Minimally Processed) BCAAs to drive Muscle Protein Synthesis = Each serving has 3 grams Leucine, 1.5 grams Valine, & 1.5 grams Isoleucine
  • Zero Junk & GMP Certified (Good Manufacturing Process) - No fillers, No Protein Spiking, No Gums, Thickeners, or Additives
  • Developed by Dr. Jordan Feigenbaum, MD, MS - Strength Coach, Doctor & Elite Powerlifter - Using Science Backed Research, he has proven methods for muscle gain. His Personal Best? Squat 640 (raw w/wraps), Bench 430, Deadlift 725 @ 198lbs
  • Follow the Barbell Medicine Podcast, YouTube Vlog, Barbell Medicine Community to learn the proven ways of Muscle development and Workout Tips / Guides for GainzZz Rx Whey Chocolate

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