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Diabetes treated if given enough vitamin D (example: 50,000 IU weekly) – review of RCT - Jan 2017

Vitamin D Daily short-term Supplementation does not Affect Glycemic Outcomes of Patients with Type 2 Diabetes.

Int J Vitam Nutr Res. 2017 Jan 27:1-15. doi: 10.1024/0300-9831/a000239. [Epub ahead of print]
Chrysostomou S1.
1 European University Cyprus, Nicosia, Cyprus.

VitaminDWiki Summary

Overview Diabetes and vitamin D contains the following summary

  • Diabetes is 5X more frequent far from the equator
  • Children getting 2,000 IU of vitamin D are 8X less likely to get Type 1 diabetes
  • Obese people get less sun / Vitamin D - and also vitamin D gets lost in fat
  • Sedentary people get less sun / Vitamin D
  • Worldwide Diabetes increase has been concurrent with vitamin D decrease and air conditioning
  • Elderly get 4X less vitamin D from the same amount of sun
        Elderly also spend less time outdoors and have more clothes on
  • All items in category Diabetes and Vitamin D 537 items: both Type 1 and Type 2

Vitamin D appears to both prevent and treat diabetes

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  • Dark Skin 24;   Intervention 56;   Meta-analysis 38;   Obesity 35;  Pregnancy 44;   T1 (child) 39;  Omega-3 11;  Vitamin D Receptor 24;  Genetics 12;  Magnesium 27    Click here to see details

Some Diabetes studies

50 ng of Vitamin D fights Diabetes

T1 Diabetes


Diabetes, Metabolic Syndrome and Magnesium - many studies

Diabetes category starts with the following

537 items In Diabetes category   33+ Prediabetes studies   64+ Type 1 Diabetes studies

see also Overview Diabetes and vitamin D  Overview Metabolic Syndrome and vitamin D

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There is currently insufficient evidence of a beneficial effect to recommend vitamin D supplementation for optimizing glycemic status in patients with type 2 diabetes mellitus (T2DM). Taking into consideration the significant extra-skeletal effect of vitamin D on pancreatic β-cell function and insulin secretion and the large number of scientific evidence supporting the inverse association between vitamin D status and hyperglycemia, this review article aims to examine whether vitamin D supplementation therapies are beneficial to patients with T2DM considering specific factors through randomized controlled trials (RCTs). EBSCOhost and Medline databases were searched from the beginning of 2009 until the end of 2014 for RCTs in patients with T2DM. Parameters, such as baseline vitamin D levels, frequency/dosage of supplementation, length of the study and type of supplementation, were independently assessed, based on their effect on glycemic status. Although all different types of supplementation were safe and effective in the achievement of vitamin D sufficiency in a dose-dependent way, the impact on glycemic status was different. 14 RCTs were included with daily supplementations ranging from

  • 400-11.200 IU/daily,
  • 40.000-50.000 IU/weekly and
  • 100.000-300.000 IU/intramuscularly or once given,

for a period from 8 to 24 weeks.
Daily supplementation of vitamin D (up to 11.200 IU) showed no effect, whereas combined supplementation, with calcium (≥300 mg), and with vitamin D doses similar to the RDA, showed positive effects. Additionally, high weekly doses of vitamin D (40.000-50.000 IU) were effective on glycemic outcomes but available data are limited.

PMID: 28128719 DOI: 10.1024/0300-9831/a000239