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Is Hydrolized Whey, the New Way to Go? 12 Week Human Study Suggests: Yes, If Your Goal is to Ward Off Oxidative Damage. No, If You Want to Build Muscle & Lose Fat

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The typical soccer player is no longer a stick on muscular legs, these days. The sport has changed and so have the physiques of the players. I guess ever since I published the article "The Glucose Repartioning Effects of Isoleucine: Falsely Underappreciated BCAA and Its Dipeptides Maximize GLUT-4 Expression and Ramp Up Muscular Glucose Uptake" ( read it ) that discussed the beneficial effect of the small isoleucine peptides in hydrolized whey on glucose metabolism, some of you may have been wondering, whether theh previously sneered at even more insulinogenic fast-digesting, bad-tasting, highly-processed whey protein hydrolysates (WPHs) may not be an alternative, if not the better alternative to whey concentrates or isolates. Personally, I have always favored the "whole" over its individual parts, but the evidence that there is something special about WPH is accumulating. "So what kind of new evidence is accumulating here? " That being said, the...

Whey Protein Hydrosolate Better Than Whey, BCAA and Casein as Post-Workout Supplement

The initial hype around Whey Protein Hydrosolates (WPH) has ended and everybody returned to his favorite whey protein or one of the hundreds of BCAA products on the market. A new study by Kanda et al. ( Kanda. 2010 ) does however suggest that this might be a mistake. In their study (unfortunately done on rats) they compared the immediate effect of supplementation with carbs + either WPH, Whey, BCAA or Casein and found: WPH caused significant increases ( p < 0.05) in skeletal muscle glycogen level (5.01+/-0.24 mg/g), compared with whey protein (4.23+/-0.24 mg/g), BCAA (3.92+/-0.18 mg/g) or casein hydrolysates (2.73+/-0.22 mg/g). Post-exercise ingestion of glucose plus WPH caused significant increases ( p < 0.05) in both phosphorylated Akt/PKB (131%) and phosphorylated PKC ζ (154%) levels compared with glucose only. There was a significant positive correlation between skeletal muscle glycogen content and phosphorylated Akt/PKB ( r = 0.674, p < 0.001) and PKC ζ ( ...
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