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Earlier this fall, GU reformulated their GU Brew to put the focus first and foremost on the athletes hydration and electrolytes. This means it has fewer calories and carbohydrates and an even lighter taste profile than the previously light taste. Now the flavor is “ultralight”!
The new flavors are:
- Lemon Lime
- Lemon Tea (caffeinated, 20mg)
- Blueberry Pomegranate (double sodium)
- Tastefully Nude
The new formulation has 70 calories and 19 grams of carbohydrates per serving, with 250mg of sodium and 30mg of potassium (except Blueberry Pomegranate, 2x sodium – 500mg sodium!) The carbohydrate source combines complex carbohydrates (in the form of maltodextrin, a glucose polymer) with simple carbs (as fructose) in a 50-50 balance, to make it easily digested while still providing lasting energy. The idea is that it can be used for shorter workouts, or in combination with gels or Chomps for longer duration.
I have been drinking it PRIOR to runs without any digestive distress. It mixes up easily in a water bottle, dissolving almost instantly so there is no wait time, clumping or built-up fizzy pressure. It comes in canisters, as well as single-serve packets which could easily be shoved in a belt/pack for midrun mixing.
I am impressed with the flavors as well, none of them have been particularly horrible and I was surprised at the fact that Watermelon ended up being my favorite. I usually hate watermelon-flavored things… other than actual watermelon! 🙂 I didn’t have any “Tastefully Nude” to try, but that’s a fun name!
GU is also being pretty innovative with their gel flavors of late… ever craved a Root Beer Float midrun? Well… neither had I, truthfully, but it’s pretty tasty! I found the Caramel Macchiato loathesome, but I don’t like many coffee-flavored things.
Lastly they have Roctane electrolyte capsules, for runners who want to get extra electrolytes in without the flavored drink.
GU is doing some great things and it’s fascinating to hear their process. Magdalena Lewy-Boulet, an elite runner AND the Director of Research for GU Energy Labs did an interesting podcast for Another Mother Runner on nutrition, which you can listen to online.