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# Vitamin D may help diabetes mellitus patients
- URL: https://www.foodconsumer.org/vitamin_d_may_help_diabetes_mellitus_patients_0904160932/
- Published: 2016-10-04T12:51:00.000Z
- Updated: 2026-09-22T16:19:27.000Z
- Description: In a randomised trial, type 2 diabetes patients took 4,000 IU of cholecalciferol daily if their serum vitamin D was below 20 ng/mL, or 2,000 IU if it was 20 to 30 ng/mL, for 16 weeks. The researchers found supplementation improved endothelial function.
- Author: Food Consumer
- Tags: Vitamins, Nutrition, #vivvo-import

Rinkoo Dalan at Tan Tock Seng Hospital in Singapore and colleagues conducted a study to see if vitamin D supplementation could improve endothelial function in type 2 diabetes mellitus patients. 

For the study, diabetes mellitus patients with lower than 20 ng/mL of serum vitamin D or 25(OH)D were asked to take 4000 IU of cholecalciferol per day and those with having 20 to 30 ng/mL of vitamin D in their blood took 2000 IU of cholecalciferol per day. The supplementation lasted 16 weeks. 

As a result, vitamin D supplementation was found to improve endothelial function in type 2 diabetes mellitus patients. 

Comment: Even if vitamin D does not improve endothelial function, patients or healthy individuals should make sure they have enough circulating vitamin D. One cannot afford to suffer vitamin D deficiency, which has been linked to a range of health conditions inkling many types of cancer, depression, diabetes mellitus, arthritis, heart disease, and infections. (David Liu)

[*Rinkoo Dalan, Huiling Liew, Pryseley Nkouibert Assam, Edwin SY Chan, Fahad Javaid Siddiqui, Alvin WK Tan, Daniel EK Chew, Bernhard O Boehm, Melvin KS Leow, A randomised controlled trial evaluating the impact of targeted vitamin D supplementation on endothelial function in type 2 diabetes mellitus: The DIMENSION trial, Diabetes and Vascular Disease Research May 2016 vol. 13 no. 3 192-200*](http://dvr.sagepub.com/content/13/3/192.short?ref=foodconsumer.org)