Smoke test: Two types of each Vitamins are divided into two categories: water soluble—which means the body expels what it does not absorb—and fat soluble where leftover amounts are stored in the liver and fat tissues as reserves. The water-soluble vitamins are the eight B vitamins (B-1, B-2, B-3, B-5, B-6, B-7, B-9, and B-12) and vitamin C. The fat-soluble vitamins are A, D, E, and K. There are many minerals, but certain ones are necessary for optimal health. Minerals are split into two groups: major and trace. Major ones are not necessarily more important than trace, but it means there are greater amounts in your body. --- edited