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Vitamin A improves insulin sensitivity
Thursday, April 29, 2004 2:05 pm Email this article
VITAMIN A IMPROVES INSULIN SENSITIVITY according to a recent study. The higher the intake of vitamin A the more effective insulin was at stimulating glucose disposal.
This study was based on the self reported intakes of 52 healthy adults.
Insulin sensitivity was found to be inversely associated with obesity and directly associated with the amount of physical activity.
Blood sugar and insulin levels were lower in a subgroup of 20 people with intakes greater than 10,000 IU per day when compared to a subgroup consuming less than 8000 IUs per day.
Intakes of vitamin C and E, fiber, fat, or carbohydrate were not associated insulin sensitivity.
Vitamin A has also been shown to increase levels of HDL cholesterol which has been shown to have a inverse relationship to insulin sensitivity.
Pharmacological doses of vitamin E have also been shown to improve insulin sensitivity.
It would be interesting to see if vitamin A and/or E would be useful in obese type II diabetics.
Facchini F, Cordston AM, Reaven GM. Relation between dietary vitamin intake and healthy resistance to insulin-mediated glucose disposal in healthy volunteers. American Journal of Clinical Nutrition, Jun 1996, 63(6):946-9.
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