Over time, they can contribute to anxiety, insomnia, and even heart problems. Instead, certain foods can naturally boost your energy levels quickly without the negative effects of energy drinks.
Chard, beet greens, spinach, and Chinese cabbage (such as napa cabbage, bok choy, and tatsoi) may not have the perfect 100/100 nutrient density score of watercress, but they all come close at 86 ...