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Water-soluble vitamins dissolve easily in water and, in general, are readily excreted from the body, to the degree that urinary output is a strong predictor of vitamin consumption. [47] Because they are not as readily stored, more consistent intake is important. [48] Fat-soluble vitamins are absorbed through the gastrointestinal tract with the ...
With few exceptions, like some vitamins from B-complex, hypervitaminosis usually occurs with the fat-soluble vitamins A and D, which are stored, respectively, in the liver and fatty tissues of the body. These vitamins build up and remain for a longer time in the body than water-soluble vitamins. [2] Conditions include: Hypervitaminosis A
B-complex vitamins are water-soluble vitamins, which means that they are not stored within the body. In consequence, the B vitamins need ongoing replenishment. [19] It is possible to identify broad cognitive effects of certain B vitamins, as they are involved in many significant metabolic processes within the brain. [2]
Vitamin D is a group of structurally related, fat-soluble compounds responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, along with numerous other biological functions. [1] [2] In humans, the most important compounds within this group are vitamin D 3 (cholecalciferol) and vitamin D 2 (ergocalciferol). [2] [3]
The Vitamin-B complex, which includes eight water-soluble vitamins, plays a crucial role in maintaining cellular function and preventing brain atrophy. Among the elderly, deficiencies in vitamins B12 , B6 , and folate are linked to cognitive decline and depressive symptoms.
Vitamin A is a fat-soluble vitamin that is an essential nutrient. The term "vitamin A" encompasses a group of chemically related organic compounds that includes retinol , retinyl esters , and several provitamin (precursor) carotenoids , most notably β-carotene ( beta - carotene ).
Apolipoprotein synthesis in the intestine is regulated principally by the fat content of the diet. Apolipoprotein synthesis in the liver is controlled by a host of factors, including dietary composition, hormones (insulin, glucagon, thyroxin, estrogens, androgens), alcohol intake, and various drugs (statins, niacin, and fibric acids). ApoB is ...
Nutrition psychology is the psychological study of the relationship between dietary intake and different aspects of psychological health. It is an applied field that uses an interdisciplinary approach to examine the influence of diet on mental health. [ 1 ]