I have written about snacks and snacking numerous times. You can check out my Page Snacking – the good, the bad and the ugly if you want more details. Herewith The Tufts University Health and Nutrition Letter take on the subject.
Make sure you’re properly fueled for a workout, but avoid mindless snacking.
If you start exercise low on fuel, you could end up feeling weak and run out of steam. Or, you may simply feel hungry, making it hard to focus on your exercise. However, unnecessary snacking before a workout may make exercise uncomfortable and add calories you don’t need, counteracting the calorie burn of your physical activity.
What you’re already eating for meals and snacks likely covers your exercise energy needs.
“I think there’s a misconception that you need to eat a snack before exercise, but this is generally only necessary if it’s been at least 2 to 3 hours since your last meal,” says Jennifer Sacheck, PhD, an associate professor at Tufts’ Friedman School who specializes in physical activity research. “For example, if you eat lunch at 11 a.m. and are going to the gym at 5 p.m., or you exercise first thing in the morning, you’ll need to refuel before exercise.” However, if you ate a late lunch at 2 p.m., and you’re working out at 4:30 p.m., you shouldn’t need a snack first. Continue reading