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Attention Deficit Hyperactivity Disorder impulsivity reduced by daily 1,000 IU of vitamin D – RCT Jan 2019

The effects of vitamin D supplementation on ADHD (Attention Deficit Hyperactivity Disorder) in 6–13 year-old students: A randomized, double-blind, placebo-controlled study

European Journal of Integrative Medicine, Vol 25, Jan 2019, Pages 28-33 https://doi.org/10.1016/j.eujim.2018.10.006


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ADHD increased risk with Glyphospate

Health Problem
(typically associated
with low Vitamin D)
% increase
in a decade
Autism 250 %Antibiotic Roundup
Diabetes 66 %Antibiotic Roundup
Overweight kids 150 %Antibiotic Roundup
Parkinson's 110 % might help Roundup
Alzheimer's. 1000% might help Roundup
Dementia ?%might helpRoundup
Multiple Sclerosis 70 % might help Roundup
Alzheimer's ?? % Roun-2017
ALS deaths 60 Roun-2017
Celliac 100 %Antibiotic Roundup
ADHD (LA schools)230 % Roun-2017
IBD 200 % Antibiotic Roundup
Kidney 120% -Roundup


 Download the PDF from VitaminDWiki


Attention Deficit Hyperactivity Disorder (ADHD) is a common mental disorder in children. Drug treatment is the most prevalent method used to control it; however, considering the low efficacy and frequent side effects of current drugs, more attempts are needed to replace them with safer agents. Several studies have shown the beneficial role of micronutrients such as vitamin D in development and improving the performance of neuronal system. This research intended to study the effects of vitamin D supplementation in 6–13 year-old students with ADHD.

In this double-blind parallel clinical trial, the subjects were selected from among 6–13 year-old students with ADHD diagnosed by a child psychiatry specialist. Vitamin D3 supplements (1000 IU) or placebo given daily to 70 subjects for three months. ADHD symptoms were evaluated before and after the intervention using Conners Parent Questionnaire (CPQ), the Strengths and Difficulties Questionnaire Teacher Version (SDQT), the Strengths and Difficulties Questionnaire Parent Version (SDQP) and Continuous performances Test (CPT) scores.

The mean scores of the CPQ, SDQP and SDQT showed a significant difference in the two groups after intervention (p < 0.05). The impulsivity mean scores of the CPT after intervention showed statistical significance (p = 0.002), but the attention (p = 0.11) and mean reaction time (p = 0.19) mean scores did not.

Vitamin D supplementation not only improves some behavioral problems but may prevent exacerbation in some symptoms of the disorder and reduce impulsivity.

Created by admin. Last Modification: Saturday May 20, 2023 23:27:03 GMT-0000 by admin. (Version 6)

Attached files

ID Name Comment Uploaded Size Downloads
10953 Glyphosate Use Predicts Healthcare Utilization for ADHD.pdf admin 01 Dec, 2018 1.64 Mb 864
10952 ADHD 1000 IU RCT.pdf admin 01 Dec, 2018 516.46 Kb 858
10951 ADHD T3.jpg admin 01 Dec, 2018 28.60 Kb 652
10950 ADHD.jpg admin 01 Dec, 2018 40.42 Kb 627