What Is Micellar Casein and Why You Should Care

What does it take to build muscle and get in shape? Determination and drive certainly play important roles, and having a dedicated workout regimen with difficult-yet-attainable goals is a must. However, if you’re talking about the chemical processes at work, then the key to building muscle is protein, and lots of it.

It’s no secret that if you want to get the most out of your workout, then you need to supplementing with protein. Proteins are made up of amino acids, which are the building blocks of muscle tissue. High-intensity exercise causes damage to your muscles in the form of microtears. In response, your immune system rushes available amino acids to the damaged tissue, where the amino acids are incorporated into new, stronger musculature.

Those looking for quick recovery from intense exercise benefit from fast-acting amino acids, usually in the form of whey protein. Whey protein, and especially hydrolyzed whey protein isolate, give the body shorter proteins that are easier to breakdown into amino acids for absorption through the intestines and into the bloodstream. The end result is an amino acid infusion that reaches the muscles much more quickly. This helps cut down on recovery duration and empowers athletes to get back up to full strength (and back to working out) in a fraction of the time.

But as useful as this kind of protein is for recovery, slower acting protein is beneficial in other ways. Consider micellar casein protein.


What is micellar casein protein?

Casein is a protein consisting of five different types: alpha casein, beta casein, gamma casein, delta casein, and kappa casein. Micellar casein is comprised of all five of these casein types in a natural globular structure.

In many ways, micellar casein and whey protein are two different sides of the same coin. Both whey and casein come from milk, with whey (the liquid part of the milk) making up approximately 20% of the total protein, and casein (the curds) accounting for the remaining 80%. But while whey protein is perfect for fast digestion and absorption, micellar casein protein digests much more slowly.

...So what?

How is this beneficial? Well, the truth is that muscle growth/repair doesn’t only happen in the hours following athletic exercise; it happens all the time. A fast, direct infusion of protein does little to support this ongoing process. This is where casein protein comes in.

When you consume casein protein, stomach acids form a sort of “clump” around the protein and begin to break it down at a slow-but-sustained rate. This creates a steady stream of amino acids flowing to your muscles all day and all night. Casein is especially useful when consumed prior to sleep.

During the seven or so hours that you spend sleeping per day, your body’s natural muscle building and repair processes continue. However, as you’re not generally consuming protein while you sleep, the body doesn’t have as easy access to amino acids. For example, within only four hours of consuming whey protein, your body has effectively run out of easy-access branched-chain amino acids (BCAA). Micellar casein provides your body with a long-duration source of BCAA before bed, and BCAA before bed means better protein synthesis (and improved muscle growth) all through the night.


Micellar casein has been linked to greater strength and endurance, improved metabolic rates, and better muscle gains.

How to take micellar casein

While both whey and casein are available in milk, to really get the doses that your muscles crave without also significantly upping your calorie intake, you should be supplementing.

PROGENEX has just the thing. PROGENEX Cocoon is the best micellar casein protein powder on the market. Offering a boost of casein protein combined with Metamorphagen (a tryptophan peptide), Cocoon helps promote deep, restorative sleep and reduce sleep interruptions, all without leaving you feeling groggy or drowsy once the morning comes.

Just mix two scoops with either hot or cold water before bed, and enjoy the benefits of casein protein while you sleep.

Put your body to work

Losing weight, getting in shape, and packing on muscle tissue isn’t easy; it takes hard work and determination. But once you’ve racked your weights, hit the showers, and settled down for the night, it’s time to let your body take care of things for a while. An effective casein protein powder will help you get enough BCAA before bed to keep your body working for you long after you’ve stopped working out for the day.

Give PROGENEX Cocoon a try, and see for yourself just how effective a good night’s sleep can be. For increased gains, combine PROGENEX Cocoon with PROGENEX Recovery and PROGENEX Omega+.


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