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Oral vitamin D supplementation and body weight in children and adolescents: a systematic review and meta-analysis of randomized controlled trials
Eur J Pediatr. 2023 Mar 1. doi: 10.1007/s00431-023-04889-2
Sepideh Soltani 1, Sara Beigrezaei 2 3, Shima Abdollahi 4, Cain C T Clark 5, Marziyeh Ashoori 6
This study was designed to ascertain whether oral vitamin D supplementation (oral supplementation and fortified foods) is associated with changes in body weight measures in children and adolescents, using a systematic review and meta-analysis of randomized controlled trials (RCTs). PubMed, Scopus, Cochrane, and Web of Science databases were searched from inception to October 28, 2022. The mean difference and corresponding 95% confidence interval (CI) of interested outcomes were pooled using a random-effects model. Twenty-one RCTs were included in the meta-analysis, and the results showed a significant decrease in body mass index (BMI) following vitamin D supplementation in children and adolescents (n = 9 studies, 1029 participants; weighted mean difference: - 0.43 kg/m2, 95% CI: - 0.79, - 0.08; P = 0.02; I2 = 58.5%). Overall, oral vitamin D supplementation had no significant effect on body weight and other anthropometric indices, including fat mass, lean mass, waist circumference, BMI Z-score, and height. Although results of body weight changed to significant after sensitivity analysis (WMD = 0.39 kg, 95% CI = 0.01, 0.78; P = 0.04; I2 = 0%, P-heterogeneity = 0.71), we also found significant weight gain in healthy pediatric population, and when the dose of vitamin D supplementation was up to 600 IU/day, the certainty of evidence was very low for weight, moderate for height and BMI, and low for the remaining outcomes.
Conclusion: Our results suggest that vitamin D supplementation may lead to a statistically significant weight gain in children and adolescents, while BMI was reduced. Although no significant change was observed in height, it seems vitamin D supplementation may elicit these changes by increasing skeletal growth; however, this remains to be verified. Further high-quality RCTs, with longer duration and larger sample sizes, are needed to yield more certain evidence in this regard.
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32+ VitaminDWiki pages with BMI in title
This list is automatically updated
Items found: 35
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Predict 50nmol if take 600 IU of Vitamin D for 7 months (UK, ignoring BMI, etc) – June 2024 |
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27 Jun, 2024 |
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Predictors of low vitamin D: race, age, and BMI (confirmed now by Machine Learning) – Feb 2024 |
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07 Mar, 2024 |
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Obesity of 9,000 US adults: DEXA said 72% were obese, BMI said 42% were obese – June 2023 |
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20 Jun, 2023 |
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Childhood BMI decreased when add a little Vitamin D – meta-analysis March 2023 |
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03 Mar, 2023 |
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Vitamin D, by itself, does not decrease BMI – meta-analysis March 2018 |
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04 Dec, 2022 |
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Vitamin D reduces BMI and waist circumference – umbrella meta-analysis – Sept 2022 |
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27 Sep, 2022 |
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Teens more obese if lower Vitamin D as infant (1.3 more BMI points per 10 ng) – Oct 2020 |
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07 Oct, 2020 |
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The higher the BMI, the lower the Vitamin D, with some difference between men and women – Dec 2019 |
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30 Dec, 2019 |
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The more vitamin D the lower the infant BMI – March 2011 |
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08 Sep, 2019 |
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Skin fold thickness but not BMI associated with poor Vitamin D Receptor in Han Chinese – April 2018 |
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13 Apr, 2019 |
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BMI reduced by Vitamin D (not much reduction – only got VitD to 26 ng) – RCT Feb 2018 |
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24 Feb, 2018 |
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Full-fat milk for children associated with higher Vitamin D and lower BMI – Dec 2016 |
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10 Nov, 2017 |
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Obese need more Vitamin D: Volume dilution, IU per pound, or BMI – RCT Dec 2012 |
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14 Aug, 2016 |
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Preeclampsia 2X more likely if low vitamin D, unless adjust for vitamin D factors (BMI, skin color) – Dec 2015 |
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21 Jan, 2016 |
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Vitamin D not associated with PAD after adjusting for race, diabetes and BMI – July 2012 |
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15 Oct, 2015 |
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Vitamin D thresholds in elderly vary with the disease, sex, and BMI, etc. – April 2015 |
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10 Apr, 2015 |
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High risk of premature birth if high BMI (low vitamin D) – June 2013 |
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21 Mar, 2015 |
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High risk of extremely premature birth if high BMI (low vitamin D) – June 2013 |
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21 Mar, 2015 |
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Non-alcoholic fatty liver disease associated with low vitamin D – independent of BMI – June 2014 |
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31 Dec, 2014 |
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Half of the women who are fat do not have a high BMI – March 2012 |
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24 Dec, 2014 |
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Higher BMI need more vitamin D – Oct 2010 |
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06 Nov, 2014 |
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Higher BMI decreased response to 700 IU vitamin D – RCT 2008 |
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26 Feb, 2013 |
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When BMI is an incorrect measure of obesity - March 2010 |
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12 Jan, 2013 |
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Higher BMI associated with lower vitamin D – Sept 2012 |
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28 Dec, 2012 |
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CDC vitamin D statistics for women: including blacks and high BMI – March 2012 |
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03 Nov, 2012 |
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95 percent of astmatics low on vitamin D -esp high BMI April 2012 |
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07 Aug, 2012 |
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More response to 1100 IU vitamin D in cold season or less BMI – May 2012 |
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15 May, 2012 |
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Map of BMI increase - Feb 2011 |
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03 Apr, 2012 |
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Obesity (BMI and waist circumference) associated with low vitamin D – Feb 2012 |
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09 Feb, 2012 |
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Skin tone changes with season – high BMI different – Mar 2011 |
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19 Mar, 2011 |
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Vitamin D serum prediction based on IU skin color and BMI – June 2010 |
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07 Aug, 2010 |
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BMI was excellent predictor of vitamin D levels – Feb 2010 |
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25 Jun, 2010 |
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Hockey stick relationship between vitamin D and BMI April 2010 |
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30 Apr, 2010 |
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BMI decreased by Vitamin D (none of the trials used enough D for long enough) – meta-analysis July 2019 |
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No value for 'modification_date_major' |
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Fitness is associated with vitamin D, even accounting for BMI – Oct 2011 |
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No value for 'modification_date_major' |
VitaminDWiki Obesity pages with WEIGHT in title (67 as of March 2023)
This list is automatically updated
Items found: 72
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Body weight not reduced by small doses of calcitriol – meta-analysis Sept 2024 |
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23 Sep, 2024 |
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Weight loss drugs increase unplanned pregnancies (perhaps due to Vitamin D) - May 2024 |
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19 May, 2024 |
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Risk of Vitamin D deficiency with Breast Cancer: 2.7 X if normal weight, 7 X if obese (no surprise) – March 2024 |
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26 Mar, 2024 |
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Weight loss and Vitamin D - many studies |
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20 Aug, 2023 |
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Permanent Weight Loss - Vitamin D then water-fast - July 2023 |
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23 Jul, 2023 |
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Response to Vitamin D varies with genes (3,000 IU, weight loss in this RCT) – March 2022 |
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22 Mar, 2022 |
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Many people are actively trying to lose weight gained during pandemic - Vitamin D will help |
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13 Dec, 2021 |
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Weight loss on low-calorie diet: 7 lbs more lost if got lots of Vitamin D – June 2021 |
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13 Dec, 2021 |
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Little weight loss in obese children from very small amount of vitamin D (1200 IU) – RCT April 2020 |
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19 Jun, 2020 |
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Large weight loss 32X more likely to be achieved if weight gain was due to Vitamin D Receptor – Jan 2020 |
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31 Jan, 2020 |
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Obese lost more weight on diet if added 50,000 IU of vitamin D weekly – many RCTs |
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25 Dec, 2019 |
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Obese taking 50,000 IU of vitamin D weekly lost more weight (again) – RCT Dec 2019 |
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25 Dec, 2019 |
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2.3 X more weight loss in those who had low vitamin D levels and took some – Dec 2019 |
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18 Dec, 2019 |
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Increased risk of weight gain when gene restricts Vitamin D getting to tissues (CYP24A1 in this case) – Nov 2019 |
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07 Nov, 2019 |
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Increased weight in children 8X more likely for each unit increase in adenovirus (if ignore Vitamin D) – Nov 2019 |
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07 Nov, 2019 |
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The Vitamin That Quadruples Weight Loss - Oct 2019 |
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26 Oct, 2019 |
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Obese lost 3X more weight with Vitamin D - July 2018 |
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09 Sep, 2019 |
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This Common Vitamin Doubles Weight Loss– July 2019 |
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21 Jul, 2019 |
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Ketogenic Diet – if lose 10 kg of weight, restore 4 ng of Vitamin D – June 2019 |
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14 Jul, 2019 |
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Omega-3 may reduce weight gain and maintain weight loss – Aug 2018 |
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03 Nov, 2018 |
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Vitamin D and Resveratrol reduce weight gain in rats - Sept 2011 |
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22 Sep, 2018 |
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How Omega-3 fights metabolic syndrome and weight – Feb 2018 |
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11 Sep, 2018 |
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Less weight gain if more vitamin D (in rats) – 2017 |
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28 Jan, 2018 |
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Less weight gain if add Vitamin D, even if have a high fat diet (in rats) – RCT Dec 2017 |
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02 Jan, 2018 |
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Increased Testosterone and Erectile function, decreased weight with Vitamin D – March 2017 |
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31 Aug, 2017 |
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MSG induces weight gain in female rats not supplemented with active vitamin D – April 2017 |
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15 Apr, 2017 |
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UVB 50 percent more response in obese than normal weight (other study disagrees) – Feb 2017 |
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02 Mar, 2017 |
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Off topic: Lose weight by drinking water when feel hungry, eat 20 minutes later if still hungry |
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31 Jul, 2016 |
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Vitamin D activates the hypothalamus (in rodents) to reduce weight and diabetes– May 2016 |
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25 May, 2016 |
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Increase in Vitamin D deficiency with weight and skin darkness – chart – March 2016 |
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10 Mar, 2016 |
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Weight loss increased Vitamin D levels, which improved bones and decreased inflammation – Oct 2015 |
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18 Aug, 2015 |
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During weight loss a 1 percent decrease in fat resulted in 1 percent increase in vitamin D levels - June 2015 |
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23 Jun, 2015 |
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Weight loss includes muscle loss unless add vitamin D, whey and leucine – RCT Feb 2015 |
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07 Feb, 2015 |
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Less weight gain by senior women if vitamin D levels over 30 ng – Kaiser Dec 2012 |
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10 Jan, 2015 |
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Off topic – Proven again – artificial sweeteners actually make you GAIN weight – Oct 2012 |
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23 Dec, 2014 |
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Low-level antibiotics causes weight gain in mice (and most mammals) – Aug 2014 |
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09 Nov, 2014 |
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Weight loss with salacia reticulata and just 200 IU of vitamin D – RCT 2013 |
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16 Aug, 2014 |
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Less weight gain in mice getting lots of vitamin D – June 2014 |
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03 Aug, 2014 |
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Need 75 IU vitamin D per kg of body weight (volume dilution) – March 2013 |
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05 May, 2014 |
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40 percent less likely to gain weight if live at high altitude (no mention of UVB nor vitamin D) – April 2014 |
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25 Apr, 2014 |
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Weight reduction review – Vitamin D and Calcium may help – July 2011 |
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21 Mar, 2014 |
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Weight loss and Vitamin D, Calcium, and Magnesium |
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14 Mar, 2014 |
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Weight loss by UV or Vitamin D |
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14 Mar, 2014 |
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No weight loss when average over trials lasting 6 weeks and only 200 IU of vitamin D – meta-analysis July 2013 |
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03 Nov, 2013 |
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Obese children gain weight more quickly when have low vitamin D – Oct 2013 |
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17 Oct, 2013 |
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Need 40 to 80 ng of vitamin D to lose weight – Colgan Sept 2013 |
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22 Sep, 2013 |
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Those low on vitamin D were 2.4X more likely to gain weight – June 2013 |
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06 Jun, 2013 |
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Vitamin D and Obesity: review concludes that D is just diluted by total weight – April 2013 |
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17 Apr, 2013 |
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Higher weight and blood pressure in second generation from mother mouse who had low vitamin D – 2012 |
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14 Feb, 2013 |
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Lost more weight on low calorie diet if add 600 mg Ca and just 150 IU vitamin D – RCT Jan 2013 |
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10 Jan, 2013 |
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400 IU of Vitamin D is just diluted by weight, and not stored in fat – Jan 2012 |
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07 Nov, 2012 |
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Weight loss of at least 10 percent resulted in 5 ng increase in vitamin D levels – Sept 2012 |
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29 Sep, 2012 |
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Vitamin D levels increased when senior women lost weight – July 2011 |
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18 Jul, 2012 |
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32 ng vitamin D and 500 mg of Calcium helped reduce weight by 5.6 kg – Sept 2010 |
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25 May, 2012 |
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Low vitamin D in womb linked to more weight at age 6 – May 2012 |
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24 May, 2012 |
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How might Calcium and Vitamin D cause weight loss – Mar 2012 |
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17 May, 2012 |
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Vitamins To Speed Up Metabolism And Aid Weight Loss – May 2011 |
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01 Sep, 2011 |
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Bone lost during postmenopausal dieting not all recovered with weight re-gain – Aug 2011 |
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21 Aug, 2011 |
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Losing weight increases vitamin D level – June 2010 |
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23 May, 2011 |
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Women can lose weight with vitamin D - Nov 2010 |
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30 Jan, 2011 |
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Middle-aged women gained weight if they did not drink fortified milk – Sept 2010 |
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20 Nov, 2010 |
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Half of newborn deaths are due to excessive weight of their mothers – Oct 2010 |
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16 Oct, 2010 |
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More calcium and vitamin D resulted in weight loss – Sept 2010 |
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28 Sep, 2010 |
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Calcium and vitamin D aided weight loss – RCT Sept 2010 |
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13 Sep, 2010 |
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Now we know why vitamin D is not advertised for weight loss |
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09 Sep, 2010 |
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Weight loss improves both vitamin D and insulin resistance – Sept 2010 |
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09 Sep, 2010 |
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Multivitamins and minerals helped obese lose weight – Feb 2010 |
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27 Aug, 2010 |
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Amylase increases with age, as does weight |
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10 Aug, 2010 |
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Vitamin D and Weight Loss and Obesity – March 2010 |
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08 Aug, 2010 |
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Lose weight and increase vitamin D level in blood – April 2010 |
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08 Aug, 2010 |
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Adequate Vitamin D Levels May Aid Weight Loss in Obese Patients – Minn. 2009 |
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08 Aug, 2010 |
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Vitamin D Promotes Weight Loss – Jan 2010 |
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08 Aug, 2010 |