Vitamins are organic compounds essential to the human body. They are consumed from foods or dietary supplements. Vitamin deficiencies can lead to unpleasant symptoms, such as weakness, fatigue, apathy, frequent colds. Some people may experience hair loss or brittle nails. Moreover, this is not the whole list of adverse consequences.
In this section, we explain what vitamins are, how to check vitamin levels, and what foods contain important vitamins and minerals.