Vitamin D is a group of fat-soluble molecules known as secosteroids. Vitamin D itself is a fat-soluble vitamin that is not available in many foods. However, photochemically, it is produced when ultraviolet rays from sunlight strike the skin and trigger Vitamin D synthesis. Vitamin D externally, though, is biologically inert in the human body, and "must undergo two hydroxylations in the body. The first occurs in the liver and converts

Vitamin C for Common Cold What is Vitamin C? Vitamin C, also known as ascorbic acid, is a water-soluble ingredient that is essential for the health of human beings. It is essential for normal growth and development and it has consumed regularly. Since Vitamin C dissolves in water, the excess amounts leave the human body through urine and this means the body needs a constant supply of this vitamin everyday. The body

Leon Schurgrs and Cees Vermeer of the University of Maastricht in the Netherlands hinted at the superiority of MK7. This is the ability to activate specific vitamin K proteins to bring calcium to the bones rather than the arteries. The recommended daily dosage at this time is 105 mc. Patients taking anticoagulant medications, such as Coumadin, should first consult with their doctors before taking in Vitamin K supplements. They

Vitamin D Supplementation Vitamin supplementation has long been a popular way of ensuring that people receive the sufficient amount of vitamins. However as it pertains to Vitamin D, there is some amount of controversy as it pertains to Vitamin D supplementation (25-hydroxy) concentration and safety. The literature review will discuss the need for vitamin D supplementation and the findings of various studies and Vitamin D trials. An article entitled "Vitamin D supplementation,

Vol. 4. 145-56. In this article, Drs. McCann and Ames of the Children's Hospital Oakland Research Institute in Oakland, California, discuss their findings made in several important studies related to the suggestion that since "Vitamin D deficiency is common in the United States," it seems that the elderly and African-Americans are at a particularly high risk" of vitamin D deficiency (145). To support this suggestion, McCann and Ames explore three specific

This work by the Harvard School of public health states that while small trails have indicated that the amount of vitamin C contained in a typical multivitamin and taken in the beginning of the development of a cold "might ease symptoms" however, for the "average person, there's no evidence that megadoses make a difference or that they prevent colds." (2009) It is related as well that studies examining Vitamin