Vitamin A (Retinol)

Serum Retinol-Binding Protein: A Link Between Obesity, Insulin Resistance, and Type 2 Diabetes

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Insulin resistance occurs under conditions of obesity, metabolic syndrome, and type 2 diabetes. It was found to be accompanied by down-regulation of the insulin-responsive glucose transporter GLU...

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Retinol helps reverse normal skin aging

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The article discusses research being done on the therapeutic use of retinol. It references a study published in the May 2007 issue of "Archives of Dermatology." The study, led by researchers at t...

Vitamin A: New Research Finds Bones Benefit From Less Retinol

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Reports on the new research on vitamin A which finds bones benefiting from less retinol. Essentials of vitamin A; Link of excessive vitamin A and weak bones; Pros and cons of vitamin A; List adv...

Vitamin A: Is It a Risk Factor for Osteoporosis and Bone Fracture?

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Results from observational studies of the association between vitamin A intake or serum concentration and bone mineral density or fracture are mixed. The inconsistencies may be due, in part, to d...

Influence of iron on vitamin A nutritional status

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Iron deficiency seems to deteriorate vitamin A metabolism leading to a reduction in serum retinol and an increase in hepatic retinol and retinyl ester. These alterations probably result from an i...

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