vitamin k is required for the hepatic production of blood coagulation factors ii, vii, ix and x. the term vitamin k refers to a variety of fat-soluble 2-methyl-1, 4-naphthoquinone derivatives. vitamin k1 (phylloquinone) occurs in green plants, while vitamin k2 (menaquinone) is synthesized by microbial in the gut. the recommended dose of vitamin k in neonates is 1 mg intramuscularly. for infants...

vitamin b12 (cobalamin) is an essential coenzyme for nucleic acid synthesis. animal protein is the major dietary source of vitamin b12. deficiency of vitamin b12 leads to megaloblastic anemia, degeneration of the brain, spinal cord, peripheral nerves, and abnormalities of epithelial tissues. two factors are necessary for the cure of megaloblastic anemia: one in food (extrinsic factor) and one i...

vitamin d is important for the development, growth, and mineralization of the skeletal in neonates and children. vitamin d is essential for intestinal absorption of calcium. vitamin d is metabolized to 25-hydroxyvitamin d and then to 1,25-dihydroxyvitamin d. pregnant women in developed countries often have insufficient serum concentrations of 25-hydroxyvitamin d and a supplementation of vitamin...

background: the aim of this study is to investigate the effect of vitamin a and c, as the agents that improve wound healing, on the adhesion formation process. materials and methods: sixty male wistar rats were used. they underwent midline laparotomy, for repair of a peritoneal injury, and were then assigned to four groups. group 1 (vitamin a) received 2000 units/kg intramuscular injection of v...

background and aim: primary dysmenorrhea is defined as painful menstruation in the absence of any confirmed pelvic disease. its incidence has been estimated between 50-90% in different communities. non-steroidal anti-inflammatory drugs (nsaids) and contraceptives are usually prescribed for the treatment of primary dysmenorrhea; however, they cause several specific complications. due to the impo...

vitamin e (alpha-tocopherol) is a potent and natural antioxidant. vitamin e is concentrated from soybean oil. the committee on fetus and newborn of the academy of the american of pediatrics endorsed 1 to 2 mg/dl as the normal range of serum tocopherol level. human infants are born with low stores of vitamin e, thus they require an adequate intake of vitamin e soon after birth. the optimum intra...

multiple risk factors are introduced for multiple sclerosis (ms). recent studies have suggested a possible correlation between vitamin d deficiency and an increase risk of ms. this study was therefore undertaken to compare vitamin d levels in new cases of ms and their relatives as healthy controls. seventy five new diagnosed ms patients and 100 matched healthy controls among their relatives wer...

objective vitamin e is a major lipid-soluble antioxidant. it has been demonstrated that vitamin e supplementation has a beneficial effect against coronary heart disease (chd). this study to investigate the effects of coronary risk factors on serum vitamin e status in patients with dyslipidaemia. materials and methods this tertiary care hospital; case - control study was comprised 237 dyslipidae...

introduction: iron deficiency anemia (ida) is the most common form of anemia and one of the most important health problems. iron supplementation for high risk groups can prevent ida and its complications in the community. we need to have a holistic approach to control ida with minimum cost and complications. considering the high prevalence rate of ida in iran, assessment of the effects of micro...

conclusions the vitamin d levels of children aged more than 2 years are lower than those of children aged less than 2 years. thus, prescribing vitamin d-containing supplements in children older than 2 years may be beneficial. results the final study consisted of 286 children, 140 males and 146 females, with a mean age of 4.46 ± 2.82 yr. of these, 218 (76.22%) children, with a mean age of 5.09 ±...