Thread: Diet Critique
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Old 03-16-2009, 07:52 AM
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Ross86 Ross86 is offline
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Well...fructose can be metabolized and used for energy. As far as storage goes, fructose first replenishes liver glycogen if there is a shortage, then it's stored as fat. Glucose on the other hand (starch, glucose, dextrose, etc) replenishes muscle glycogen before being stored. And your body can metabolize it more easily.

Glucose is best post workout.
Fructose is best post night out. (drinking depletes liver glycogen)

Fructose when found in fruits is perfectly fine. I just think that loading up on it post workout isn't the best idea. It will still raise your insulin some which helps to stop catabolism. But for muscle glycogen replenishment, it's not best. Lots of juices are a combination of fructose and dextrose or some other sugar. Grape juice for instance, contains lots of dextrose, which is great. I'm not sure about what's in apple juice.
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