What Are Nutritional Deficiencies?

The recommended daily amount (RDA) of a nutrient is determined by how much the body needs to stay healthy. Nutrients can be obtained in a variety of ways—from eating a varied diet to taking vitamin supplements.

A nutritional deficiency occurs when the body doesn’t absorb the necessary amount of a nutrient. Deficiencies can lead to a variety of health problems, such as problems of digestion, skin problems, stunted or defective bone growth, and even dementia