quote:
Originally posted by spinedoc:
I would like to hear a couple opinions on this....
I have been under the impressions that you actually want an insulin spike post workout. It improves the transfer of nutrients into the cells at a faster rate, which is the ultimate goal. This is why so many people feel that substances like Creatine, etc work much better with some sort of simple sugar to improve cell permeability. Now this would be different at other times of the day, but post workout meals are always a little different. Any thoughts??
The post workout insulin spike debate has been going on for awhile. Studies have shown that high GI carbs have in some cases increased the rate of nutrient uptake post workout. IMO this isn't really worth it unless you have a very fast metabolism that won't let you gain any fat. Large amounts of high GI carbs (I think the studies used somewhere between 70-80g of dextrose) can obviously cause fat gain, even post workout. For me, I don't really pay too much attention to the specific carb source I use post WO. I usually just use honey or grinded oats to increase my glycogen levels.
I feel that this very specific nutrient timing stuff is put on a pedestal that it doesn't deserve, at least for young athletes such as myself. Unless you have a completely perfect diet/routine it shouldn't matter that much. Same thing with the specific types of protein used post workout. On paper, some look better, but in real life, I've never seen a difference. I drink whey isolate because I'm lactose intolerant and that's it.
In my shake I have:
45g Whey Isolate (substance WPI, Universal IsoWhey)
A couple *** of Natural Honey
Water/Lactaid, depending how I'm feeling and what I've eaten throughout the day.