On the other hand, fat-soluble vitamins dissolve in fat and are ... Vitamin B7 (biotin) deficiencies may cause symptoms like hair loss, skin problems and brittle nails. These deficiencies can ...

Medically reviewed by Sanja Jelic, MD Vitamins are classified as either fat-soluble or water-soluble based on how the body ...

Many of us aren't taking them to treat a deficiency – we're popping ... There are two types of vitamins: fat-soluble and water-soluble. Fat-soluble vitamins (Vitamins A, D, E and K) are stored ...

Vitamin D helps regulate the amount of calcium and phosphate in the body. However, excessive doses can lead to ...