Multiple choice Vitamins and grouped into two categories, these are? Water soluble and fat soluble. Synthetic and natural. Green and yellow. Required and optional. Reveal answer Fill a bubble to check yourself A Correct answer Explanation Vitamins are classified based on their solubility. They are either water-soluble (such as B-complex vitamins and Vitamin C) or fat-soluble (Vitamins A, D, E, and K).