Eat bananas before fitness, the sugar in bananas can be quickly converted into glucose, which is immediately absorbed by the human body and is a rapid energy source. Studies have proved that only two bananas can provide enough energy for 90 minutes of hard exercise. No wonder bananas can become the first choice fruit for top athletes in the world. During exercise, people will lose electrolytes such as sodium and potassium because of sweating a lot. The loss of these electrolytes will lead to the decrease of muscle contraction ability and fatigue. Bananas are just rich in these electrolytes, so eating bananas can relieve fatigue after exercise. ? Bananas not only replenish sodium and potassium ions needed after muscle contraction in time, but also contain: protein, the key magnesium ion for energy conversion, and vitamin B6 c related to the metabolism and synthesis of hormones needed for survival. Some people may say that many fruits contain these! What's so great about bananas? Maybe you have heard the saying "an apple a day keeps the doctor away"? Since apples are so nutritious, even doctors admire them, but compared with bananas, apples are instantly eclipsed ... bananas have four times more protein, two times more carbohydrates, three times more phosphorus (which helps to enhance sports performance), five times more vitamin A and iron (friends who are concerned about ischemia), and two times more super-rich potassium in other vitamins and minerals, which can reduce the occurrence of cramps, so it may be time to change to "a banana a day". In addition, bananas also have unknown magical effects! For example, many people don't know how to get rid of a hangover. In fact, the easiest and quickest way to sober up is! Have a banana milkshake! Milk with bananas and honey, bananas can relieve stomach discomfort, honey can help restore blood sugar, and milk can replenish lost water and nutrition! Perfect!