Monday, January 28, 2008
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posted by: Martin

I just got an email from a good friend of mine who is trying to lose a little weight and get a little fitter and he was asking me this question:

"I understand that it is important (was going to say imperative) that protein be ingested within 20-25 minutes of working out. Have you heard such a thing?"

This kind of question proves just how effective all the marketing hype that we drown in on a daily basis really is. Before I continue I probably need to preface this by admitting that I'm not studying to be a nutritionist on the side or anything but here is what I know.

When you exercise your body uses glycogen. Glycogen is the fuel inside of your muscles and is made when your body assimilates and process anything you eat. Your muscles can't use straight up carbohydrates or protein or fat, your body has to break this stuff down and turn it into glycogen first.

There is a 'window of opportunity' after you exercise that your body will absorb new muscle glycogen much for quickly than if you wait. That window is about 30-45 minutes depending on who you talk to. Bottom line is you are supposed to consume something that is easily absorbed pretty quickly after you work out if you want to work out again in the near future and not feel toasted.

ASIDE – if you are not going to work out hard again within the next day or two, it probably does not matter much what you do. Your body will replace all the lost muscle glycogen in time but it might take a couple of days for you to be fully stocked up again.

So, what will your body absorb the fastest? People used to think it was pure carbohydrate but now it's common knowledge that a 4:1 ratio of carbohydrate to protein is absorbed the quickest. That's why drinks like Endurox R4 and such all use this ratio. If you only consume carbohydrate it will help a lot but not as much as if you eat/drink something with this ratio. Pure protein and pure fat are both broken down and absorbed MUCH more slowly than pure carbohydrate.

All this protein, protein, protein hype is one of my pet peeves... You see this in magazines, in ads for products, at stores like GNC and in the gyms. And it's mostly all wrong.

ANOTHER ASIDE - stores like GNC (General Nutrition Centers, Inc.) should probably really be called something like BOGUS (Buy Our Generally-overpriced Unproven Shit).

YET ANOTHER ASIDE – if you go chugging a lot of recovery drinks after working out that's great for your muscles but be careful to not add them to your total caloric intake. If your drink is 500 calories, you will need to trim 500 calories from your dinner or somewhere else. Otherwise you will not lose weight. That's probably pretty obvious but I see so many people drinking their meal replacement shakes and then eating lunch! Hello?!

So take Dr. Martin's advice and remember, carbohydrate is much more important for muscle recovery than protein. We all need protein but most people that get caught up in this craze and start taking loads of supplements end up getting too much and then it's just extra calories you don’t need. And ANY extra calories you don't need – no matter if they come from protein or carbohydrate or fat – will get turned into fat.

Class dismissed.