There is so much goodness in one small egg. These nutrition powerhouses have protein, amino acids, and B vitamins to boost your energy. And much of the benefit is in the yolk. Please stop ordering only egg whites. “The choline in eggs helps decrease anxiety and appetite,” says Dr. Marizelle Arce, a naturopathic physician. “It also increases relaxation and proper digestion.” Hard boil a dozen eggs this weekend so you always have one on hand for a snack.