The attached video covers the difference between classification of Vitamins in detail for you. The difference of fat and water soluble vitamins are well discussed. TIMELINE: 0:00 Introduction 0:13 Polar vs Nonpolar/Fat soluble Vs Water soluble 1:38 Difference of excretion 1:48 Difference of storage 2:11 Difference of deficiency 2:24 Difference of toxicity 3:09 Difference of absorption 3:23 Difference of malabsorption syndrome 3:43 Examples 5:26 Absorption of fat soluble vitamins