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Whey or Casein? Which Would be the Better "Staple" Protein Source for Your Trip to Desert Island?

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Image 1: They are both sourced from cow's milk, but which is the better part? Whey, the byproduct of cheese production, or casein the cheese protein, itself? A recent study would suggest that it's the "waste product" you would have to chose if you could only have one. " Whey is the way to go! " I suppose even I have had a headline like that in one or even several of the daily news items, here at the SuppVersity - and rightly, so! With it's high content of branched-chain amino acids (BCAAs) this fast-digesting protein source is certainly the #1 choice for anyone whose goal is to build lean muscle tissue . Whey's slow-digesting brother casein, on the other hand, is often hailed as the "muscle-preservative", the 24h-protein source that will prevent muscle catabolism, when for whatever outrageous reason (like sleep, for example) you cannot ingest your bi-hourly protein shake... well, I guess those of you who have been following the Intermi...

Leptin & AMPK Activation in Muscle - Did Scientists Investigate the Wrong Species?

Actually, this is something I have been reminding people of for years: Human beigns are no mice and although some people may be rats, genetically they are still very different. Usually I put this argument forward if anyone presents me with a study done on rodents that "shows" how bad dietary protein, especially from meat, is for you - thin of it: when was the last time you saw a mouse eating a cow? This time the issue is a little more sophisticated, though... Australian scientists ( Laker. 2010 ) have recently investigated the effect of leptin on AMP-activated protein kinase (AMPK) in muscle of sheep and (I do not know if to their, but maybe to some of the proclaimed experts surprise) they found that... [...] leptin infusion reduced (P<0.05) food intake and body weight and it also increased plasma adrenaline concentration at 6 h and 7 days, suggesting increased sympathetic nerve activity. Despite this, and in contrast to rodent studies , central leptin infusion did not...
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