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Every day when I'm drinking my whey + casein protein shake with the sole goal of gaining muscle or getting leaner I always smile at the irony of my drink... We are consumers based on innovation and research. We are always digging through the internet on a mission to find the NEW. We look to the scientist for a new discovery to build muscle. Every day when you are downing that 100% whey protein shake after a brutal workout, you think you are really ahead of the curve... convinced it's the holy grail of protein. The truth is you are drinking in the past... sacrificing that time in the gym for outdated science.
I wish I could sit here and tell you that our whey + casein protein shake is NEW cutting edge science that PES discovered. It's not. The research is almost 10 years old! It's time to take the blinders off. The supplement industry is based around innovation. Why are you still drinking in the past? If you’re a regular 100% whey protein user, read on, because there’s something you need to know. Our investigation into the science should royally piss you off. I sure was… In our quest to build muscle, protein intake is the single most important factor. When I say intake, I don't just mean amount...I mean the type of protein too.
When I asked our Director of Research & Development to dig up the research on protein, the facts shocked me. Our R&D team didn't have to dive, dig, and spend an eternity finding the information...no, the information was easily found on the government-owned science database known as PubMed. And it is so clear cut. There was no theory or interpretation. Reputable journals have already tested the effects of different proteins in human subjects, and the data could not be more conclusive. Yet for some reason it's been ignored.
All of these years I've been using 100% whey protein as my sole protein source, slamming a shake after my workout, in the morning, and even between meals. Do I "just whey"? I certainly did and have done so for years... and I consider myself ahead of the game. Boy was I wrong...The media tells me that whey builds muscle. And you know what? They're totally right. Studies do show that whey alone builds muscle better than other proteins. But if you look what they compare it to, the issue is clear: studies compare whey to weak products like vegetable-based protein, sugary drinks, and even just water. Of course whey is going to come out on top!
It wasn't until recently that scientists finally decided to give all these 100% whey products a run for their money. And the results were absolutely shocking. Nature had it right. When researchers at the world-renowned Mayo Clinic tested a combination of whey + casein protein, as found naturally in milk protein, they discovered that the two protein sources work together in a synergistic manner to build lean muscle. 100% whey protein in isolation only gets you so far... it can spike protein synthesis with an influx of amino acids, but quickly returns to baseline, leaving you where you started.
Enter casein, a slower-digesting protein that's typically consumed for its anti-catabolic properties as it promotes a steady release of amino acids over time. Casein actually results in more retention of ingested protein than whey! In another published study, researchers found the combination of whey protein with casein protein resulted in a quick increase in protein synthesis along with a sustained elevation in plasma leucine levels . Plasma leucine levels are a key dictator of muscle protein synthesis, and thus, a combination of whey protein and casein protein may serve to maximize muscle protein accumulation.
Whey protein hits the bloodstream at a fast rate, but it is casein protein that has been shown to create the strongest leucine balance, possibly due to less oxidative processes taking place . It only makes sense to consume them together. Studies have repeatedly shown that milk may be the optimal post workout drink due to the unique delivery and interplay of milk protein's components: whey protein and casein protein, together. Whey protein provides a surge of amino acids to help lean muscle gain, while the casein component sustains an anti-catabolic environment for hours to come .
In fact, the research shows that even if amino acid content of a protein is held constant, milk protein augments lean muscle accrual to a greater degree than fast-digesting hydrolyzed proteins due to the unique pattern of amino acid delivery that only milk protein can provide . Nature had it right all along: milk protein is king. We already know that whey protein spikes muscle protein synthesis while casein protein creates an anti-catabolic trickle of amino acids, a complementary combination that should be taken at the same time. But in addition to this, whey protein and casein protein each have their own unique bioactive subfractions and growth factors which work in concert when they're taken together .
This is why I was so pissed when I saw the new research... we've been shortchanging ourselves for years. I don't just want something better than whey... I want the best. The 2005 International Whey Conference concluded that a 50/50 mixture of whey + casein is the optimal form of protein for gaining muscle mass . That's right, even at a whey conference, the researchers found that 100% whey is not the answer. So if a synergistic whey-casein protein blend is the optimal blend for building muscle, what do you think PES SELECT ProteinTM brings you? That's right: The most targeted protein formula on the market.