If you've ever tried to eat while breathing hard and moving about in the cold air -- and we're guessing you have -- you know that it can be a challenging sport in and of itself. You also know that the nutritional value of a food doesn't matter if you can't get it into your stomach. Perhaps it's no wonder energy gels have become so popular. The tiny pouches, which go by a variety of names, offer amino acids and carbohydrates to sustain prolonged efforts. Be advised, however, some energy gels are little more than sugary candies. Label reading is key to getting a healthy boost [source: Esmont].
It's not easy to get out on a cold day for a tough workout, but there's no need to do it on an empty stomach when you have these healthy and handy options.