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IBS - Vitamin D was the only micronutrient under DRV - meta-analysis Oct 2023


A systematic review and meta-analysis of diet and nutrient intake in adults with irritable bowel syndrome

Neurogastroenterology & Motility. 2023;00:e14698. https://doi.org/10.1111/nmo.14698

Background: Numerous individual and environmental factors including diet may play an important role in the pathophysiology of irritable bowel syndrome (IBS). It is un­clear to what degree dietary intake is affected in individuals with IBS. We aimed to perform a systematic review and meta-analysis to summarize dietary intake of adults with IBS and to compare dietary intake between adults with IBS and non-IBS controls.

Methods: Ovid MEDLINE, Embase, Cochrane, CINAHL, and Scopus were searched through February 2023 for clinical trials and observational studies measuring usual diet in adults with IBS. Pooled weighted averages were estimated for total energy, ma­cronutrient, and micronutrient data. Mean differences (MD) in nutrient intake were estimated for adults with IBS versus non-IBS controls using a random effects model. Heterogeneity was assessed by the inconsistency index (I2).

Key Results: Sixty-three full-text articles were included in the review of which 29 studies included both IBS and control subjects. Nutrients not meeting the recom­mended intake level for any dietary reference values in the IBS population were fiber and vitamin D. Meta-regression by female proportion was positively correlated with total fat intake and negatively correlated with carbohydrate intake. Comparisons be­tween participants with IBS and controls showed significantly lower fiber intake in participants with IBS with high heterogeneity (MD: -1.8; 95% CI: -3.0, -0.6; I2 = 85%).
Conclusions and Inferences: This review suggests that fiber and vitamin D intake is suboptimal in IBS; however, overall dietary intake does not appear to be comprised. Causes and consequences of reduced fiber in IBS deserve further study.

Results of this systematic review and meta-analysis suggest that fiber and vitamin D intake is suboptimal in IBS. However, overall intake of other macro- and micronutri­ents does not appear to be compromised. Causes and consequences of reduced fiber and Vitamin D intake in IBS deserve further study.

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Vitamin D was the only micronutrient failing to meet all recommended DRVs in adults with IBS

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18+ VitaminDWiki pages with IBS etc. in the title

This list is automatically updated

Items found: 17
Title Modified
IBS - Vitamin D was the only micronutrient under DRV - meta-analysis Oct 2023 16 Dec, 2023
IBS reduced by 50,000 IU of Vitamin D (weekly or bi-weekly) – Meta-analysis July 2023 16 Aug, 2023
Irritable Bowel Syndrome and Vitamin D - many studies 30 Jun, 2023
IBS helped by vitamin D (virtually ignoring dose size, type and duration) – meta-analysis June 2022 09 Jul, 2022
IBS not helped by daily 3,000 IU Vitamin D (but non-daily and gut-friendly help) – RCT July 2021 31 Jul, 2021
IBS diarrhea treated by weekly 50,000 IU of Vitamin D – RCT March 2020 25 Mar, 2020
Irritable Bowel Syndrome treated by weekly 50,000 IU Vitamin D – RCT Feb 2019 18 Jan, 2020
IBS (1 in 5 youths) strongly associated with low vitamin D – Dec 2018 01 Dec, 2018
IBS quality of life improved by vitamin D (50,000 IU every two weeks) – RCT May 2016 14 Mar, 2018
IBS - many indications that Vitamin D will help - more research needed - March 2018 14 Mar, 2018
Irritable Bowel Syndrome: social media indicates that vitamin D is a good treatment – Oct 2013 05 Feb, 2018
IBS – 6 out of 7 studies shows Vitamin D helps, still want more studies – Jan 2018 25 Jan, 2018
70 percent of people with IBS had symptoms relieved with high dose vitamin D – 2012 04 Nov, 2016
IBS – 82 percent had low vitamin D, 3,000 IU spray helped a lot – RCT Dec 2015 25 Aug, 2016
Sleep, Vitamin D, Vitamin B-12, IBS, Fibromyalgia - Gominak March 2015 27 Jul, 2016
IBS quality of life improved by vitamin D (50,000 IU weekly) – RCT May 2016 17 May, 2016
Irritable Bowel Syndrome - can it be treated by 3000 IU of vitamin D - RCT Feb 2014 28 Feb, 2014

Note: IBS results in poor absorption unless a gut-friendly Vitamin D form is used

Overview Gut and vitamin D contains:

Gut-friendly, Sublingual, injection, topical, UV, sunshine

Getting Vitamin D into your body has the following chart
Image

Getting Vitamin D into your body also has the following
If poorly functioning gut
Bio-D-Mulsion Forte – especially made for those with poorly functioning guts, or perhaps lacking gallbladder
Sublingual – goes directly into the bloodstream
Fat-soluble Vitamins go thru the slow lymph system
   you can make your own sublingual by dissolving Vitamin D in water or use nano form
Oil: 1 drop typically contains 400 IU, 1,000 IU, or 4,000 IU, typically not taste good
Topical – goes directly into the bloodstream. Put oil on your skin, Use Aloe vera cream with Vitamin D, or make your own
Vaginal – goes directly into the bloodstream. Prescription-only?
Bio-Tech might be usefulit is also water-soluble
Vitamin D sprayed inside cheeks (buccal spray) - several studies
    and, those people with malabsorption problems had a larger response to spray
Inject Vitamin D quarterly into muscle, into vein, or perhaps into body cavity if quickly needed
Nanoparticles could be used to increase vitamin D getting to the gut – Oct 2015
Poor guts need different forms of vitamin D has the following
Guesses of Vitamin D response if poor gut

Bio FormSpeedDuration
10Injection ($$$)
or Calcidiol or Calcitriol
D - Slow
C -Fast
Long
10 Sun/UVBSlowLong
10Topical
(skin patch/cream, vagina)
Slow
Fast nano
Normal
9Nanoemulsion -mucosal
perhaps activates VDR
FastNormal
9?Inhaled (future)FastNormal
8Bio-D-Mulsion ForteNormalNormal
6Water soluble (Bio-Tech)NormalNormal
4Sublingual/spray
(some goes into gut)
FastNormal
3Coconut oil basedSlowNormal
2Food (salmon etc.)SlowNormal
2Olive oil based (majority)SlowNormal

10= best bioavailable, 0 = worst, guesses have a range of +-2
Speed: Fast ~2-6 hours, Slow ~10-30 hours
Duration: Long ~3-6 months, Normal = ~2 months


Attached files

ID Name Comment Uploaded Size Downloads
20324 IBS meta-analysis_CompressPdf.pdf admin 31 Oct, 2023 701.10 Kb 45