Sport is essential to our lifestyle today, to maintain our health and enrich our daily lives. All sports require regular training and efforts to make the body stronger, with effective nutrition being crucial. However, many people these days have adopted inappropriate diets as a result of their unquestioning acceptance of incorrect information from social media and the like. The key rule is virtually the same as for one’s ordinary diet: one needs the right balance of the three energy-producing nutrients, carbohydrates, protein, and fat —— also known as macronutrients. One must also be diligent about staying hydrated.