Waardenburg syndrome. Waardenburg syndrome: Introduction. Waardenburg syndrome: The disease was named for Petrus Johannes Waardenburg, a Dutch ophthalmologist (1886-1979) who was the first to notice that people with two different colored eyes ... more about Waardenburg syndrome.
As a result, most of the fat-soluble vitamins (such as the vitamins A, D, E, and K) that contain amounts above the daily allowance are drug products. The daily dosage of a vitamin supplement for example cannot exceed 300% of the recommended daily allowance, and for vitamin A, this limit is even lower (200%).
Vitamins are classified as either fat soluble (vitamins A, D, E and K) or water soluble (vitamins B and C). This difference between the two groups is very important. It determines how each vitamin acts within the body.The fat soluble vitamins are soluble in lipids (fats).These vitamins are usually absorbed in fat globules (called chylomicrons) that travel through the lymphatic system of the small intestines and into the general blood circulation within the body. The difference (if any) between vitamins that are water soluble and those that are not -- There is a big difference between the water soluble vitamins and the fat soluble vitamins and this is absolutely a critical distinction.  2 Specifically Vitamin E -- Vitamin E is a fat soluble vitamin.