In the simplest terms nutrients are the essentials of life, without them we die. In other words nutrients provide us with life itself.
That said there are many different specific nutrients, each of which provide us with different types of things that are essential for life. Some are needed in large amounts daily, others we only need small amounts of and can often go for long periods without any of those nutrients.
vitamin k is the highest nutrient but there are many others
energy
Carbohydrates
Vitamins, minerals, fiber, and water do not provide energy
Nutrient dense food- is defined as the density of nutrients to kcalories. Nutrient dense foods provide more nutrients relative to kcalories.
coronary arteries
alcohol protein carbs
iron
vitamin k is the highest nutrient but there are many others
Nutrient dense foods provide the maximum nutrients for least amount of calories.
Nutrient density refers to how nutritious a certain food can be. Nutrient density refers to all different kinds of foods.
Carbohydrates mainly provide energy.