The eight types of B vitamins are:

  1. Vitamin B1 (also known as Thiamine).
  2. Vitamin B2 (also known as Riboflavin).
  3. Vitamin B3 (also known as Niacin).
  4. Vitamin B5 (also known as Pantothenic Acid).
  5. Vitamin B6 (also known as Pyridoxine).
  6. Vitamin B7 (also known as Biotin).
  7. Vitamin B9 (also known as Folate)
  8. Vitamin B12 (also known as Cobalamin).