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Vitamin D reduces BMI and waist circumference – umbrella meta-analysis – Sept 2022


Vitamin D supplementation positively affects anthropometric indices: Evidence obtained from an umbrella meta-analysis

Front Nutr. 2022 Sep 7;9:980749.doi: 10.3389/fnut.2022.980749
Vali Musazadeh 1 2 , Meysam Zarezadeh 1 3 , Faezeh Ghalichi 1 3 , Fateme Hamedi Kalajahi 1 3 , Zohreh Ghoreishi 3

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Despite the growing evidence from meta-analyses on vitamin D's anti-obesity properties, their results are controversial. The current umbrella review was performed to assess the available evidence and provide a conclusive explanation in this regard. The international databases PubMed, Scopus, Embase, Web of Science and Google Scholar were systematically searched till March, 2022. A random-effects model was used to run the meta-analysis. All meta-analyses that examined the effect of vitamin D supplementation on BW, BMI, WC, and fat mass were included.

Findings of 14 meta-analyses revealed that vitamin D supplementation reduced

  • body mass index (BMI) (ES: -0.11 kg/m2; 95% CI: -0.18, -0.05, p?0.001; I 2 = 61.0%, p < 0.001), and
  • waist circumference (WC) (ES = -0.79 cm; 95% CI: -1.20, -0.37; p < 0.001; I 2 = 46.5%, p = 0.096)

in comparison to control group.
However, the effects of vitamin D on

  • body weight (ES = -0.16 kg, 95% CI: -0.36, 0.04; p = 0.125; I 2 = 57.0%, p = 0.017), and
  • fat mass (ES: 0.02, 95

% CI: -0.20, 0.24, p = 0.868; I 2 = 0.0%, p = 0.531)
were not considerable.
Vitamin D supplementation significantly improved levels of obesity indices such as BMI, and WC.
 Download the PDF from VitaminDWiki


VitaminDWiki - Overview Obesity and Vitamin D contains

See also: Weight loss and Vitamin D - many studies   Child Obesity and Vitamin D - many studies   Obesity, Virus, and Vitamin D - many studies
Obese need more Vitamin D
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  • Normal weight     Obese     (50 ng = 125 nanomole)

Click here for 2014 study

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  • Normal weight     Obese     (50 ng = 125 nanomole)

VitaminDWiki - Obesity is associated with low Vitamin D (and treated by D as well) – Aug 2019 has:

Fast weight loss by Obese Adults: Summary of the data as of Sept 2019
1) 50,000 IU Vitamin D weekly for at least 6 months
   If gut problems, should use a gut-friendly form of vitamin D
2) Add calorie restriction diet and light exercise after ~2 months*
   * Vitamin D levels must be above 30ng/ml to help with weight loss
   * Start losing weight 2 months sooner if take a 50,000 IU daily for a week
3) More weight loss if also add Magnesium or cofactors
   30% Improved Vitamin D response with Magnesium - a Vitamin D Cofactor
   Note: Magnesium reduces weight loss by itself as well
   20% improved vitamin D response if also add Omega-3 a Vitamin D Cofactor
  Note: Omega-3 reduces weight loss by itself as well
4) More weight loss if also improve activation of Vitamin D Receptor
   Vitamin D Receptor activator: 0-30% improved Vitamin D response
   Obesity 1.5 X more likely if poor Vitamin D Receptor – meta-analysis Nov 2019
Update Dec 2019 - Dr. Greger plant-based eating (not diet) for both weight loss and health.
  His book does not mention Vitamin D nor Adenovirus


VitaminDWiki - 11 Meta-analyses of Obesity

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Created by admin. Last Modification: Tuesday September 27, 2022 01:33:29 GMT-0000 by admin. (Version 5)

Attached files

ID Name Comment Uploaded Size Downloads
18492 Obesity chart.jpg admin 27 Sep, 2022 84.32 Kb 188
18491 BMI umbrella_CompressPdf.pdf admin 27 Sep, 2022 324.16 Kb 163