Water is probably the most important essential nutrient that a person needs. A person can only survive a few days without consuming water. Even slight dehydration can cause headaches and impaired physical and mental functioning. The human body is made up of mostly water, and every cell requires water to function.
What are the 3 most important nutrients?
There are three macronutrients: proteins, carbohydrates, and fats. Your body also requires micronutrients (such as vitamins and minerals) in smaller amounts, but the macronutrients provide your body with calories (energy) and the building blocks of cellular growth, immune function, and overall repair.
What are the 4 most important nutrients?
Updated every five years by the US Department of Health and Human Services and the USDA, the report found many Americans are lacking in four vital nutrients: calcium, potassium, dietary fiber, and vitamin D.
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