Nutrabio Muscle Matrix Protein

$49.99 or subscribe and save up to 10%

Superior blended protein formula to help maximize muscle recovery and growth.

  • 55% Whey Protein Isolate & 45% Micellar Casein blend
  • Provide muscles with an advanced fast- and slow-digesting protein
  • Anti-catabolic protein formula that can release amino acids for up to 7 hours
  • Contains a full-spectrum amino acid profile to maximize muscle recovery
  • The perfect blend of protein sources to be used both day and night

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Muscle Matrix contains 25 grams of pure, complete protein derived from two different milk sources that digest and absorb at different rates to ignite muscle protein synthesis and keep amino acid levels elevated for several hours. The benefit of prolonged amino acid absorption is that it helps keep you in an anabolic state — maximizing muscle growth and repair while minimizing muscle breakdown.

The whey protein isolate used in Muscle Matrix is rapidly digested and causes an almost immediate rise of amino acid levels in the blood that remains elevated for around 1.5 hours and then returns to baseline after approximately 3-5 hours. You then have the micellar casein found in the protein matrix that coagulates in the gut and is digested slower than whey protein isolate. This leads to a slow and steady release of amino acids into the blood that can remain elevated for up to 7 hours — drastically extending and amplifying muscle protein synthesis and your anabolic state.

Together, the whey protein isolate and micellar casein in Muscle Matrix provide the ideal and perfect times to help support muscle recovery and growth.



Muscle Matrix contains no low-quality whey concentrate or other inferior proteins, added carbs, maltodextrin, dextrose, creamers, or any other fillers — just pure, cold pressed, cross flow micro and ultra-filtered non-denatured protein to help maximize muscle recovery and growth.


If you want the fastest muscle recovery possible to get you back in the gym and support muscle growth, you need a full amino acid spectrum consisting of BCAAs and EAAs. Muscle Matrix contains both in their naturally occurring forms, which can also help prevent muscle breakdown.


Don’t cheat your gains by using inferior protein sources. NutraBio Muscle Matrix combines two of the highest-quality protein sources to provide your muscles with 25 grams of protein per serving to support muscle growth while also helping you reach your daily protein intake.


Slow muscle recovery can lead to less muscle growth and more frustration. Muscle Matrix is the perfect foundation for your muscle-building temple by laying the framework to effectively rebuild and repair broken-down muscle fibers from intense training sessions.

Additional information


Alpine Vanilla, Cookies & Cream, Dutch Chocolate, Freedom Fetti, PB Choc, Strawberry Pastry



At NutraBio Labs our mission is to maximize the quality of your life by providing nutrition products based on the latest science and health research and manufactured to the highest level of pharmaceutical standards. Since 1996, NutraBio has manufactured the highest quality supplements. All NutraBio supplements are manufactured by us in the United States in our own onsite GMP certified manufacturing facility to meet or exceed FDA 21 CFR Part 111 CGMP Regulations. We use only the purest and highest quality ingredients hand-picked by our expert chemists from around the world. NutraBio supplements are manufactured under the strictest GMP standards producing the highest quality and purest supplements available. Our raw ingredients undergo state-of-the-art analysis to ensure zero tolerance for impurities.


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