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Big-calorie days are a necessary part of Olympic training

Related Topics: Kale, Peanut, Calorie

As far as bedtime snacks go, this one is not exactly classic.

Here's the concoction that U.S. swimmer Ryan Murphy came up with when he was desperate to get a lot of extra nutrients in a hurry before calling it a day: Handfuls of kale and spinach, followed by some beets, oatmeal, splashes of tart cherry juice and a little bit of mango, all tossed into a blender for a few moments.

He chugged it down, too.

"He knows he needs to get all the nutrients he can," said Alicia Kendig, the sports nutritionist for the U.