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Many T1 diabetics in Finland are self-treating with more than 1200 IU of Vitamin D daily – Feb 2024


The use of dietary supplements, and the association between supplemental vitamin D and glycaemic control in adult individuals with type 1 diabetes

Diabet Med . 2024 Feb 14:e15308. doi: 10.1111/dme.15308
Aila J Ahola 1 2 3, Valma Harjutsalo 1 2 3 4, Per-Henrik Groop 1 2 3 5; FinnDiane Study Group

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Aims: To assess the dietary supplement use in adult individuals with type 1 diabetes, and to study the association between vitamin D supplementation and glycaemic control in an observational cross-sectional study.

Methods: The study subjects were participants of the Finnish Diabetic Nephropathy Study. Data were included from all individuals with type 1 diabetes with estimated glomerular filtration rate ≥60 mL/min/1.73 m2 , who had completed a diet questionnaire. In the questionnaire, the participants reported dietary supplement use for the past 30 days. A thorough investigation with an assessment of the blood panel was conducted at the study visit.

Results: Data were available from 1181 individuals (43% men, mean ± SD age 45 ± 13 years). Altogether 62% of the sample reported supplement use; 56% reported some vitamin or mineral and 27% reported non-vitamin and non-mineral supplement use. Supplement use was more frequent among women and those supplementing had better overall health. In the study sample, of the vitamins and minerals, vitamin D (45%) and magnesium (31%), respectively, were the most frequently reported. In the multivariable models, vitamin D supplementation was associated with better glycaemic control.
Starting from a daily dose of ≥30 μg, there was evidence of improving glycaemic control with higher doses of supplemental vitamin D (e.g., for 30 μg: B [Wald Confidence Internal], p-value, -2.76 [-5.03 to -0.49], 0.017).

Conclusions: Supplement use was frequent in this sample of adult individuals with type 1 diabetes. Due to potential drug-supplement interactions, the attending physicians should be aware of their patients' supplement use. The causality between vitamin D supplementation and glycaemic control should be assessed in a randomized controlled trial.
 Download the PDF from VitaminDWiki
Reported on by Grassrootshealth Feb 2024


Note: Finns may have the highest Vitamin D levels on the planet, so do not need much more

After years of adding vitamin D, Finland now has 38 ng levels - March 2022


50+ VitaminDWiki Diabetes pages have T1 or TYPE 1 in the title

This list is automatically updated

Items found: 51
Title Modified
Type 1 Diabetic inflammation reduced by 50 ng of Vitamin D - Dec 2024 21 Dec, 2024
Many T1 diabetics in Finland are self-treating with more than 1200 IU of Vitamin D daily – Feb 2024 08 Mar, 2024
Many T1 diabetics in Finland are self-treating with more than 1200 IU of Vitamin D daily – Feb 2024 08 Mar, 2024
Men with 20 years of type 1 Diabetes have the same vitamin D levels as controls - Dec 2023 18 Dec, 2023
T1 Diabetes increased by 27% by second year of COVID – meta-analysis June 2023 01 Jul, 2023
T1 Diabetic adults 5X more likely to get COVID (hint low vitamin D)– Nov 2022 24 Nov, 2022
Milk Consumption Is strongly linked to Type 1 Diabetes – Dr. Greger Nov 2019 14 Nov, 2022
T1 Diabetes in child not prevented by a tiny amount of vitamin D during pregnancy – Nov 2015 15 Oct, 2022
T1 Diabetes 6.5 X more likely in South African Blacks if poor Vitamin D Binding Protein – July 2022 18 Jul, 2022
Prevent half of T1 Diabetes with vitamin D levels of 50 ng – Dec 2012 04 Jan, 2022
Vitamin D2 not help – again ( T1 diabetes– which has been helped by D3) – Jan 2022 17 Dec, 2021
Somewhat less Type 1 Diabetes in Wales recently – perhaps more sun or more vitamin D – March 2021 13 Mar, 2021
Little Vitamin D benefit if not achieve a good level (T1D in this cases) – Jan 2021 26 Feb, 2021
Endocrine Disrupting Chemicals and Vitamin D (T1 Diabetes in this case) - April 2020 12 Feb, 2021
Type 1 Diabetes (Autoimmune) and Vitamin D, Vitamin D Receptor and Cathelicidin - Dec 2020 03 Dec, 2020
T1 Diabetes 3X lower risk if high vitamin D (over 40 ng) – Meta-analysis Nov 2020 30 Nov, 2020
T1 Diabetes treated by Vitamin D and Omega-3 - Jan 2018 23 Oct, 2019
Type 1 diabetes trial having problems getting participants – too many taking Vitamin D or Omega-3 – Aug 2019 03 Oct, 2019
Type 1 Diabetes is prevented and treated by Vitamin D – review of 16 studies – Sept 2019 14 Sep, 2019
T1 Diabetes reduction by high Omega-3 and Vitamin D – GRH ongoing observation 12 Sep, 2019
Type 1 Diabetes prevention with Vitamin D and Omega-3 – Symposium April 2019 25 Apr, 2019
Type 1 Diabetes risk increased if high postpartum Vitamin D binding protein – Jan 2019 24 Mar, 2019
T1 Diabetes – how it may be prevented and treated by Vitamin D – Dec 2018 29 Dec, 2018
Vitamin D and Omega-3 may treat Type 1 Diabetes – RCT 2024 24 Nov, 2018
Type 1 Diabetes is increasing – decreased vitamin D is one of the many possible reasons – Sept 2018 02 Nov, 2018
Type 1 diabetes 1.6 times more likely if a Vitamin D Receptor problem – Feb 2017 21 Aug, 2018
Early Type 1 Diabetes May Shorten Women’s Lives by 18 Years - Aug 2018 17 Aug, 2018
Type 1 Diabetes (T1DM) 1.6 X more likely if low vitamin D – meta-analysis Jan 2018 20 Jan, 2018
Type 1 diabetes helped with 50,000 IU of vitamin D every two weeks – Nov 2014 20 Jul, 2017
T1 Diabetes associated with many other autoimmune diseases (all related to low vitamin D) – May 2017 03 Jun, 2017
Type 1 Diabetes association with poor Vitamin D Receptor: 39 studies – April 2017 20 Apr, 2017
Type 1 diabetes associated with faulty Vitamin D receptor genes – May 2013 20 Apr, 2017
Type 1 diabetes, genes and vitamin D 20 Apr, 2017
Type 1 diabetes risk not decreased if add 400 IU vitamin D while pregnant (no surprise) – Dec 2016 13 Dec, 2016
Diabetes (Type 1) increasing 4 percent per year, now 30,000 in the UK - May 2015 05 May, 2016
T1 diabetes in children helped with two doses of 150,000 IU of vitamin D and Calcium – March 2015 16 Nov, 2015
Type 1 diabetes 3.5X more frequent if low vitamin D - Medscape CME Dec 2012 16 Nov, 2015
T1 Diabetes associated with low vitamin D - Nov 2014 16 Nov, 2015
Diabetes (Type 1) 14X more likely in dark skin children with low levels of vitamin D – May 2015 28 May, 2015
Type 1 diabetes strongly associated with low vitamin D – March 2013 06 Dec, 2014
Type 1 Diabetes associated with low vitamin D, especially in dark skinned youths – Dec 2012 06 Dec, 2014
Type 1 diabetes starting to decrease in Finland, they started Vitamin D fortification in 2003 – July 2013 26 Jul, 2014
T1 Diabetes increased about 15 percent per decade in Eastern Canada – Oct 2012 14 Jun, 2014
Type 1 diabetes is increasing, vitamin D deficiency may be one of the reasons – Aug 2013 14 Jun, 2014
T1DM, toll-like receptors and vitamin D in rats – May 2014 21 May, 2014
Type 1 diabetes patients may be pissing away vitamin D – Jan 2011 14 May, 2014
T1 Diabetes independent of vitamin D for levels (disagrees with other studies) – Sept 2013 14 Sep, 2013
44 percent less Type 1 diabetes if high level of vitamin D – white skinned military – March 2013 13 Apr, 2013
Type 1 diabetes epidemic not correlated with vitamin D in womb – Aug 2011 15 Feb, 2012
Vitamin D deficient Type 1 diabetics 3X more likely to have calcification problems – Feb 2011 28 Oct, 2011
4000 IU vitamin D improved glycemic control for type 1 diabetes – Nov 2010 11 Nov, 2010

VitaminDWiki – Overview Diabetes and vitamin D contains

  • 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 553 items: both Type 1 and Type 2

Vitamin D appears to both prevent and treat diabetes

Number of articles in both categories of Diabetes and:

  • Dark Skin 24;   Intervention 57;   Meta-analysis 40;   Obesity 36;  Pregnancy 44;   T1 (child) 39;  Omega-3 11;  Vitamin D Receptor 24;  Genetics 13;  Magnesium 30    Click here to see details

Some Diabetes studies

50 ng of Vitamin D fights Diabetes

T1 Diabetes

Pre-Diabetes

Diabetes, Metabolic Syndrome and Magnesium - many studies

Attached files

ID Name Comment Uploaded Size Downloads
20850 T1D 2024.png admin 23 Feb, 2024 381.65 Kb 128
20803 T1 Diabetics Finland_CompressPdf.pdf admin 15 Feb, 2024 100.80 Kb 73