Effects of 6-month vitamin D supplementation on insulin sensitivity and secretion: a randomized, placebo-controlled trial
European Journal of Endocrinology DOI: https://doi.org/10.1530/EJE-19-0156
Note: Non-daily dosing better than daily (as used by this study) for Diabetes etc.
Items in both categories Diabetes and non-daily intervention are listed here:
- Type 2 Diabetes inflammation reduced by 50,000 IU of Vitamin D bi-weekly and resistance training – RCT – June 2019
- Prediabetes both prevented and treated by monthly Vitamin D, etc.
- Peripheral diabetic neuropathy helped by weekly 50,000 IU vitamin D – Jan 2019
- Diabetic nephropathy (Kidney) treated by 50,000 IU of vitamin D weekly – RCT Jan 2019
- Vitamin D treatment of diabetes (50,000 IU every 2 weeks) augmented by probiotic – RCT June 2018
- Waist size reduced 3 cm by Vitamin D in those with Metabolic Syndrome – Jan 2017
- HbA1c levels (Diabetes) reduced by monthly 50,000 IU of vitamin D – Dec 2017
- Gestational Diabetes treated with 50,000 IU every two weeks – RCT Sept 2016
- Prediabetes reduced by monthly 60,000 IU of vitamin D – RCT May 2015
- Pain of Diabetic Neuropathy reduced with weekly 50,000 IU vitamin D– CT Feb 2015
- Type 1 diabetes helped with 50,000 IU of vitamin D every two weeks – Nov 2014
- Gestational Diabetes reduced with 50,000 IU of vitamin D every 3 weeks and daily Calcium – RCT June 2014
- Blood pressure in diabetics reduced by 12 weekly doses of 50,000 IU vitamin D – RCT Jan 2014
- 50,000 IU Vitamin D weekly Improves Mood, Lowers Blood Pressure in Type 2 Diabetics – Oct 2013
- Insulin resistance during pregnancy improved with 50,000 IU of vitamin D every 2 weeks – RCT April 2013
Magnesium also helps diabetes
- Magnesium is associated with prevention and treatment of Diabetes – Meta-analysis Aug 2016
- Prediabetes reduced in half by those getting Magnesium Chloride – RCT April 2015
- Type II Diabetes might be prevented and treated with Magnesium – Review Feb 2015
- Diabetes decreased with 300 mg of Mg (Mg Sulfate) – RCT July 2014
Omega-3 also helps diabetes
- Type 1 Diabetes prevention with Vitamin D and Omega-3 – Symposium April 2019
- Type 2 Diabetes helped by Omega-3 and Vitamin D – Feb 2014
Vitamin D Receptor activation should also help Diabetes
- Diabetic nephropathy (Kidney problem) 1.8 X more likely if poor Vitamin D Receptor – meta-analysis July 2017
- Type 1 Diabetes association with poor Vitamin D Receptor: 39 studies – April 2017
Overview Diabetes and vitamin D contains the following
- 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
426 items: both Type 1 and Type 2
Vitamin D appears to both prevent and treat diabetes
- Appears that >2,000 IU will Prevent
- Appears that >4,000 IU will Treat , but not cure
- Appears that Calcium and Magnesium are needed for both Prevention and Treatment
which are just some of the vitamin D cofactors
- Step back to 1994. Suppose an epidemic struck the United States, causing blindness, kidney failure, and leg amputations in steadily increasing numbers.
Suppose that in less than a decade's time, the epidemic had victimized one out of every eight people
That epidemic is real, and its name is diabetes, now the nation's sixth leading cause of death.
Chart from the web (2018?)
Diabetes leads to many diseases - need to restore the vitamin D levels, even if it not help diabetes directly
Diabetes ==> Cognitive impairment
Diabetes ==> Vertebral fracture in men only
Diabetes ==> Rheumatoid Arthritis
Diabetes ==> Pancreatic Cancer
Diabetes ==> Alzheimer's
Depression <==> Diabetes
Objective: To determine whether vitamin D3 supplementation improves insulin sensitivity, using the hyperinsulinemic-euglycemic clamp.
Design: This single-center, double-blind, placebo-controlled trial randomized 96 participants at high risk of diabetes or with newly diagnosed type 2 diabetes to vitamin D3 5,000 IU daily or placebo for 6 months.
Methods: We assessed at baseline and 6 months: 1) primary aim: peripheral insulin sensitivity (M-value using a 2-h hyperinsulinemic-euglycemic clamp); 2) secondary aims: other insulin sensitivity (HOMA2%S, Matsuda) and insulin secretion (insulinogenic index, C-peptide area under the curve, HOMA2-B) indices using a 2h-oral glucose tolerance test (OGTT); B-cell function (disposition index: M-value x insulinogenic index); fasting and 2-h glucose post-OGTT; HbAic; anthropometry.
Results: Baseline characteristics were similar between groups (% or mean±SD): women 38.5%; age 58.7±9.4 years; BMI 32.2±4.1 kg/m2; prediabetes 35.8%; diabetes 20.0%; 25- hydroxyvitamin D (25(OH)D) 51.1±14.2 nmol/L. At 6 months, mean 25(OH)D reached 127.6±26.3 nmol/L and 51.8±16.5 nmol/L in the treatment and placebo groups, respectively (p<0.001). A beneficial effect of vitamin D3 compared with placebo was observed on M- value (mean change (95% CI): 0.92 (0.24 to 1.59) versus -0.03 (-0.73 to 0.67); p=0.009) and disposition index (mean change (95% CI): 267.0 (-343.4 to 877.4) versus -55.5 (-696.3 to 585.3); p=0.039) after 6 months. No effect was seen on other outcomes.
Conclusions: In individuals at high risk of diabetes or with newly diagnosed type 2 diabetes, vitamin D supplementation for 6 months significantly increased peripheral insulin sensitivity and B-cell function, suggesting that it may slow metabolic deterioration in this population.