2)Bananas: Whatever the season, bananas are a powerhouse of energy. The contain carbohydrates, potassium and vitamin B6, all of which boost your energy. It also contains a good dose of fiber, which makes you feel fuller throughout the day.
3)Sweet potatoes: They provide complex carbohydrates and are high in fiber. The high fiber content slows the rate of digestion, which means that the energy is released in a slow and a steady manner. Also, complex carbohydrates break down much slower and are stored in liver or your muscles to be used later.
4)Fish: Fish is a superfood that is loaded with vitamins D and B2 (riboflavin), omega-3 fatty acids along with minerals like as iron, zinc, iodine, magnesium, and potassium. Eating fish will help you to deal with fatigue during the winter months. Fish also contains omega-3 fatty acids that are essential for brain health as it has anti-depression effects.
5)Dark chocolate: One of the best ways to deal with the winter blues is to indulge in dark chocolates. Dark chocolate contains a compound called theobromine, which increases energy and mental alertness. It also contains magnesium, which is essential for production of serotonin. Lack of serotonin can lead to depression.