Quote Originally Posted by WindingRoad View Post
Might be time to get his iron checked
THAT's a good suggestion...as women anemia isn't uncommon. I've dealt with it a few times and know how debilitating it can be. While it's less common for guys, I know a couple of male endurance athletes who have been anemic. Definitely something to have checked.

smilingcat is right about the simple sugars, too. Anyone who tends towards hypoglycemia will suffer from blood sugar rollercoasters even moreso.