Caffeine is one of the most widely consumed stimulants in the world, found in everything from coffee and energy drinks to chocolate and some medications. But have you ever stopped to think about how much caffeine we're actually getting into our daily lives? According to a recent study published in the Journal of Attention Disorders, the average adult consumes around 400 milligrams of caffeine per day, which is more than the recommended daily intake of 400 milligrams for adults and adolescents combined.

But are you getting enough antioxidants from your food sources or relying on supplements to get your energy boost? While some foods like berries, leafy greens, and whole grains do contain small amounts of caffeine, it's unlikely to be the primary source of your daily dose. Instead, consider these alternative energy-boosting options: