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Old 09-28-2007, 01:17 PM
EricT EricT is offline
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Quote:
Originally Posted by 0311
So you're saying that if you drink a shake made up of 50% whey, and 50% egg white, the shake won't assimilate fast AND slow? You're saying that the egg will hinder digestion of the whey for a delayed period??


Yeah well not hinder it just slowing down the rate of appearance. It helps if you think of the stomach as a big blender. Everything gets churned up and mixed together into a slurry. Plus different things may react differently to the stomach acid.

The thing is whey as a protein is unusually fast. There is really nothing else like it. But that is whey, not milk. If the stomach could empty some things slow while other components emptied faster then you wouldn't need whey for a fast protein would you? You could just drink milk.

Egg will slow down the assimilation just the same way as any solid protein would but not as much as casein I don't think because of the way casein coagulates or forms a gel when it hits the acid and so binds other proteins up. But basically the more "stuff" in there the longer it is all going to take to assimilate. If you want to get the full benefit of the fast nature of whey you just have to use it alone.

Quote:
From what I read, whey takes up to an hour to fully digest, and since I eat about 1.5 hours after my shake, IMO it makes sense to utilize both??


There are many factors that affect gastic emptying of course but the average whey only shake is probably going to start delivering large amounts of aminos into the blood in as little as TWENTY minutes. Your stomach would be mostly emptied of it if not totally empty.

It would be better, to go by the different peak times in the blood. Again, there are no hard and fast rules so I am just talking averages culled from the studies. With whey, on average you are looking at a peak in amino acids of about FORTY minutes and your done at around an HOUR and returing to normal. This is probably the figure that led to your reading it takes an hour to "digest" which would really negate the benefit of whey in regards to being fast. But the net balance goes much higher than with casein and protein synthesis is affected more than with casein. There is a much bigger, but shorter lived peak with whey. MUCH bigger.

I think using a little egg in the post workout shake is probably a better strategy than using a bunch of casein.

If you are going to be able to eat around an hour later than there really is not point in using anything but whey and carbs, imo.

For eating 1.5 hours later it's not really that huge a difference but one thing that may be helpful is not to get caught up in the total amounts taken at one time.

If I had to wait 1.5 hours to eat this is what I would do. I would make a big shake with just whey and carbs. Maybe up to 100 grams each. Lots of water. Then I'd slam half of it right away and I'd sip on the rest (I know this may not be possible for everyone) slowly over the next half hour. The slower the better. By the time you get finished with the shake and you are waiting to have the next meal there is plenty of time. You've gotten all the benefits of the fast aminos and carbs plus you've delivered the second half over a longer period without sacrifising anything. Then you can eat a solid meal with not worries. And 100 total grams would not be necessary to do that.

I mean that is just what I would do if possible.

Don't get me wrong though, anyone, I would never say that this is by any means all a foregone consclusion, just the consensus based on info to date. People tend to interpret it in different ways. Plus, I believe there may be a difference between what happens when carbs are involved vs. when it is just protein alone.
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If you act sanctimonious I will just list out your logical fallacies until you get pissed off and spew blasphemous remarks.
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