After that, physicians don't advise athletes to expose themselves from the harmful rays of sunlight. So, to get the proper amount of vitamin D in their bodies, physicians prescribe cod liver oil as a supplement to athletes. Vitamin D regulates calcium metabolism in the body. Vitamin D is so important to calcium that there will be loss of calcium if vitamin D is lacking in the body. What are the factors to be considered in designing a complete and healthy natural sports nutrition program? 1. Hydration Obviously, the most important thing in natural sports nutrition is water. The significance of water can never be discounted because the human body is composed of sixty percent of it, and every bodily function cannot work without water. Competition factors for the Sports Nutrition Market Product/brand differentiation Because of greater saturation and competition in the marketplace sports nutrition products look alike and sound the same. Maintaining a brand that stands apart from the rest is difficult but a thing to strive for. Research-substantiated claims. Best Sports Nutrition for Endurance Sports Athletes - Best sports nutrition a day before the event Do not overwork yourself on the day before the event. It would be wise if you would only do stretching and a few kilometers of jogging, eat protein rich food, hydrate yourself (a lot!) and rest for the rest of the evening because you need to get up early, as early as four hours before the game. There still has been no scientific explanation for this, but it is in truth that women are very conscious of weight. So having a normal weight will give you a healthy psychological system. Calcium is a mineral that plays an essential role in growth. In sports, muscle and mind coordination is important. This weight loss program actually takes a lot of time so only take measurements every two months to give you a better look on how your are progressing on keeping fit and sexy and how much fat you are actually losing. I discourage you on taking those commercial diets because they will only set you up for failure and disappointment.