Micellar Casein

Support muscle recovery and prevent muscle tissue breakdown.

  • 100% micellar casein with no inferior caseinate blended in
  • The perfect protein source for between meals and before bed
  • Slow-digesting, anti-catabolic protein powder
  • Sustained release for prolonged amino acid delivery up to 7 hours
  • Each serving is loaded with 5g BCAAs and 5g Glutamine
  • Improve satiety when used between meals or throughout the day


NutraBio Micellar Casein has a slow absorption rate into the bloodstream, providing a steady stream of amino acids to muscle cells for upwards of 7 hours. Such a slow release ensures positive nitrogen retention in muscles for much longer periods compared to whey protein. Casein is best utilized at night or in combination with whey protein isolate after workouts to help provide sustained amino acid delivery during the two most crucial times of muscle growth: during sleep and post-training.

NutraBio Micellar Casein is a complete protein that supplies all the essential amino acids in the amounts necessary for muscle growth and maintenance. Because of its unique time-released qualities, caseins are considered anti-catabolic or muscle-protecting proteins.



Casein proteins are PH-sensitive, causing them to thicken in the stomach’s acidic environment. The ability of this protein to form a gel in the gut slows down its digestion allowing for a steady release of amino acids for up to 7 hours after ingestion. This slow release of nutrients can feed your muscles with protein and amino acids much longer than whey protein, helping to build and repair torn-down muscle tissue.


Micellar casein is an often-forgotten part of amplifying muscle growth and achieving results. This slow-digesting protein delivers a steady and sustained release of amino acids to your muscles, providing them with the fuel they need to grow and repair. With its high-quality, pure ingredients, NutraBio Micellar Casein ensures you get the most out of your workouts to maximize muscle growth (even while you sleep).


To get the most from your workouts, you need a supplement that can help you recover faster after your workouts. NutraBio Micellar Casein is a premium protein source specially formulated to support muscle recovery and prevent muscle tissue breakdown. Its slow-release formula ensures your muscles receive a steady supply of amino acids throughout the day and night, helping to repair and rebuild muscle tissue. With NutraBio Micellar Casein, you’ll feel less sore, more energized, and ready to tackle your next workout with confidence. Don’t let muscle soreness and fatigue hold you or cause you to skip workouts.


Hunger pangs can quickly creep up on you between meals. By utilizing NutraBio Micellar Casein between meals, not only are you providing your body with a sustained release of amino acids, but you’ll also improve your satiety as well — helping you better stick to your nutrition plan. Additionally, staying in an anabolic state at night is crucial to building and preserving lean muscle mass. NutraBio Micellar Casein, when used at bedtime, can help prevent muscle tissue breakdown and supply your muscles with a supply of amino acids for upwards of 7 hours while you sleep.


Micellar Casein: This is another form of protein that is derived from milk. Only this specific source is known as a slow-digesting protein, meaning that it releases amino acids into the bloodstream at a much slower rate than other types of protein. Due to its slow release, micellar casein is a popular choice for use before bed, as it can provide a sustained release of amino acids to support muscle recovery and growth during sleep when normally you would be in a fasted state, and catabolism may set in. Micellar casein is also commonly used in protein blends to help individuals stay full longer and extend the release of amino acids to support muscle recovery and growth.