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%).
C. As seen in Table 7-1 (page 227), vitamins A, D, E, and K are the fat-soluble vitamins. In contrast to water-soluble vitamins, fat-soluble vitamins are absorbed into the lymph, are transported in the blood by carrier proteins, are stored in the liver or fatty tissues, are not readily excreted from the body, and are needed in periodic doses.