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Article

October 12, 2014

Pharmacy Times

October 2014 Diabetes
Volume80
Issue 10

No Link Between Vitamin D Supplements and Improved Blood Sugar Control

Taking vitamin D supplements did not improve glycemic control or blood pressure among patients with impaired fasting glucose (IFG) or impaired glucose tolerance (IGT) in a recent study published in the August 2014 issue of Diabetes Care.

A total of 511 patients with IFG and IGT were randomly assigned to receive either 20,000 IU of vitamin D3 supplements each week or placebo.

At baseline, low serum 25-hydroxyvitamin D levels were 59.9 nmol/L among supplement patients and 61.1 nmol/L among placebo groups. After 1 year, vitamin D levels increased by 45.8 nmol/L in supplement patients and 3.4 nmol/L in the placebo group. At that time, measurements of glucose metabolism, insulin secretion or sensitivity, blood pressure, and high sensitivity to C-reactive protein did not differ significantly. Total and low-density lipoprotein cholesterol levels did significantly decrease among those taking vitamin D supplements compared with the placebo group. High-density lipoprotein (HDL) cholesterol, however, also decreased, and the change in the total-to-HDL cholesterol ratio did not differ significantly.

“This study shows that vitamin D supplementation does not improve glycemic indices, blood pressure, or lipid status in subjects with IFG and/or IGT,” the authors of the study concluded.

Articles in this issue

Considerations for the Pharmacist About Oral Rehydration Therapy
Can You Read These Rxs?
Social Media May Help Patients Shed Pounds
Low-Carb Beats Low-Fat Diet for Weight Loss
Social Support Important When Making Lifestyle Changes
Proudly Serving Others Through Pharmacy
Pet Peeves
Case Studies
More Than 50% of Americans Neglect Flu Shots
Flu Shot Rates Stall at 50% for Pregnant Women
Flu Vaccination Remains High Among Health Care Workers
mHealth Apps: Popular, but a Privacy Concern
Diabetes Incurs Substantial Increases in Health Care Costs
No Link Between Vitamin D Supplements and Improved Blood Sugar Control
BMI Is Propelling Increasing Diabetes Rates

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