B complex is a compound of all eight B vitamins Vitamin B1 (thiamine) Vitamin B2 (riboflavin) Vitamin B3 (niacin or niacinamide) Vitamin B5 (pantothenic acid) Vitamin B6 (pyridoxine, pyridoxal, or...
It usually contains only the main vitamins of the B Complex, except on medicines with a complete formulation thus containing all the vitamins and minerals as well.