Here’s how to use your holiday treat to fuel to your best advantage.

Chocolate pieces on color block background


If you received some chocolate for Valentine’s Day, or just generally love the sweet treat, you can have it serve double duty: Put it to good use fueling your workout. Yep, really: Science is in your corner on this one. 

Chocolate has two properties that make it good for your workout—carbs and antioxidants, says Natalie Rizzo, R.D., author of The No-Brainer Nutrition Guide For Every Runner.

Any type of chocolate—white, milk, or dark—has a good amount of carbs, due to its sugar content. But you don’t need to go overboard with the added sugar. So the darker the chocolate is, the better choice it’ll be for workout fuel, since it contains fewer grams of sugar. (About half of a dark chocolate bar with 85 percent cocoa has about 15 grams of carbs and 230 calories, Rizzo says.) Plus, darker chocolate has more antioxidants than milk chocolate, too.

Interested in how your favorite holiday treat can give you a performance boost? Here’s what science has to say—and how you can make it work best for you.

[Let Runcoach unleash your full potential with personalized training, expert coaching, and proven results.]Increase Your Aerobic Capacity

Fit female runner with mp3 player armband running on urban street


Research found that consuming dark chocolate can help improve your VO2 max, or how efficiently you can use oxygen. When sedentary people consumed 20 grams of dark chocolate daily for three months, they experienced a 17 percent increase in their VO2 max.

One possible reason? The researchers believe that epicatechin, a flavonol in cacao, can help the mitochondria—or the powerhouse of your cells—function more efficiently. Reduce Inflammation

Fruit forming heart-shape


Chocolate’s antioxidants, known as flavonoids, help reduce inflammation. While dark chocolate has more than milk chocolate, both contain the compounds, explains Rizzo. 

“Since running causes acute inflammation in the muscles and joints, eating chocolate before or after a workout may help reduce the inflammation and the slight pain associated with it,” Rizzo says.

Plus, two recent studies show that flavonoids are beneficial in boosting brain and cardio health.Get Your Mind Right

Lunging hip flexor stretch


There’s a reason eating chocolate makes you feel amazing: Cacao contains the mood-regulating hormone serotonin. The darker the chocolate, the more you get, according to research from Spain.

Plus, it can help you get stoked for your workouts, says Ryan Johnson, a strength and conditioning coach and owner of fitness studio HOMAGE, who has trained clients like Scarlett Johansson, Ryan Gosling, and Sebastian Stan. He uses dark chocolate to put clients in a vacation mindset and get them ready to crush their workouts.

“Giving yourself a little treat of dark chocolate before your workout starts to create positive feedback loop,” he says. “At some point, you can’t tell if excitement is comes from the chocolate or the workout, which can help form a habit-based solution to fitness.”ADVERTISEMENT – CONTINUE READING BELOW

Go Farther

Young woman running along rural road with pet dog, low angle view


Caffeine found in dark chocolate may allow you to run longer. A studypublished in Sports Medicine found that ingesting caffeine enhances both strength and endurance. Plus, consuming caffeine with carbs—a combo you see in chocolate—can help boost your muscle recovery after a hard workout.

Just make sure you are chomping it down in a rush, says Eric Johnson, strength and conditioning coach and owner of fitness studio HOMAGE. Practicing mindfulness and taking time to enjoy the chocolate will help you get set to tackle your workout ahead. How to Fuel With Chocolate

dark milk chocolate


Chocolate can be a great source of fuel if you do it right—here are some tips to keep in mind.

Since chocolate is higher in fat than other carb sources, keep the portion small (think a quarter of a bar). Fat takes longer to break down than other carbs for use as fuel, compared to a simple sugar or piece of fruit. If you’re eating chocolate preworkout, try to do so about two hours before your sweat session. 

If you are using it for recovery, stick to 1 to 2 ounces, which can help replace glycogen stores after a workout, Rizzo says. Pair it with some protein, like a glass of milk or some nut butter. The protein-carb combo is essential for muscle recovery. 

Chocolate can also be a trigger for those who suffer from acid reflux, so if you start noticing symptoms like heartburn or indigestion during a workout, you may want to avoid it as preworkout fuel.

A true love for sports

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