The formula of ordinary sports drinks is actually very simple, mainly composed of sugar and electrolytes (potassium, sodium, etc.). ), it can basically meet the function of supplementing water, energy and electrolyte after sweating. Some sports functional drinks also add nutrients such as taurine and vitamins, which can theoretically increase sports performance.
Simple sports drinks can of course be prepared by themselves, such as the simplest one is light salt water. The advantage of making your own beverage is that you can add different kinds and quantities of ingredients according to your physical condition and exercise type, such as potassium salt, sodium salt, glucose, vitamin tablets and so on. If you like, you can also add two pieces of fruit such as lemon.
Professional sports drink preparation is a science, and many sports nutrition experts or coaches have their own secret recipes. For example, professional tennis players will eat some homemade food and drinks between matches, which are prepared for them by their coaching team.
I hope my answer meets your requirements, haha!