Running commentary on training, gear, nutrition, and so much more.

GU’s Peanut Butter is the Best Thing Since Peanut Butter!

Left behind after a long run: Sneakers, sweaty clothes and an empty GU Peanut Butter packet.

Seriously, the new (to me) Peanut Butter flavored GU is delicious. I discovered it at a mini-race expo in Tupper Lake, NY, and since then I’ve been looking forward to carrying it with me on all of my long runs. It tastes almost as good as the stuff it’s trying to pretend to be. Halfway through a 12-miler, when I start feeling tired and slow, I pop some of this peanut buttery goodness into my mouth and I’m instantly a new runner.

I love peanut butter so much, that if I could suck down a glob of the real stuff I would. But, sadly, it’s not the right kind of fuel to take in during a run.

When you run for more than 60 minutes (90 minutes if your body happens to have an extra efficient storage system), your body uses up the glycogen stored in its muscles and then goes for the sugar in your circulatory system and liver to continue to power your legs. When that fuel source runs out, your muscles become slow to respond and have the potential to cramp. GU and other sports gels and drinks are specially formulated to offer quick burning carbs (sugars) and electrolytes that hit your bloodstream minutes after reaching your tummy.

Peanut butter has carbs, but it’s also high in protein, making it slow to digest—so the energy you get from it doesn’t reach your legs in time for it to be used in that workout. Which means during a long run, GU’s Peanut Butter is better than actual peanut butter. (I know, I can’t believe I just said that either. Peanut butter, I love you! I do!)

I’m not going to start spreading this stuff on toast, but it just might edge out GU’s Chocolate Outrage for the top spot in my fuel favorites.

Which gels are your favorites? Have you tried GU’s new (to me) Peanut Butter flavor?

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2 Responses to “GU’s Peanut Butter is the Best Thing Since Peanut Butter!”

  1. kathi

    I use the cholcale but I will now try peanut and orange – only use them on long days at the gym like Launch days when I take 3 or more classes

    Reply

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