Intervention - Vitamin D

Intervention = Give Vitamin D (or Mg, Omega-3, etc) to a portion of study participants and see what happens

Typically

• Intervene with the group: one dose size, but sometimes intervene while varying the dose size

  • perhaps such that each individual exceeds the desired blood level (say 40 ng)

• Group size: 50 to 500 people, but can be ~ 100,000 individuals ( Turkey- Rickets )

• Vitamin D3, but sometimes an activated form ( Calcidiol, or Calcitriol)

• Disease treatment, but sometimes disease prevention

• Just Vitamin D (monotherapy), even though cofactors are very important, especially if > 4,000 IU

  Note - some interventions use loading doses to restore levels quickly (days or weeks instead of months)

Which also includes small single dose of vitamin D - say 100,000 IU

Not listed - Trials which clearly used too little vitamin D or too short of period

More than 16 reasons why Vitamin D trials fail – Oct 2020

US Clinical Trials with Vit D Intervention new since Jan 2018 453 as of Oct 2020

Intervention studies

See also

More than 700 Intervention Trials in VitaminDWiki since the IoM decision a count of some of the trials- by health problem

Intervention - 2-30 days items
Items in category Meta-analysis items

Intervention - Vitamin D by date instead of by health problem

**Randomized Controlled Trials and Vitamin D - many studies 800+

Note: Govt recommendations in 2015 often ignored data after 2011

Intervention - sorted by date* CLICK HERE *---

Intervention category is associated with many others:

Intervention - non daily* 232 , Infant-Child 80 , Pregnancy 60 , Diabetes 56 , Breathing 50 , Loading dose 45 , Virus 40 , Evidence for D 35 , Pain - chronic 33 , Obesity 33 , Cardiovascular 25 , Falls and Fractures 24 , Seniors 23 , Injection 22 , Women 21 , Omega-3 21 , Depression 20 , Sports 20 , Cognitive 19 , Trauma and surgery 19 , Multiple Sclerosis 18 , Bone - Health 17 , How much Vitamin D 17 , Inflammation 17 , Skin - Dark 16 , Immunity 16 , Hypertension 16 , Better than daily 14 , Gut 14 , Youth 13 , Liver 13 , Tuberculosis 13 , Kidney 13 , Cost savings 12 , Autism 11 , High-Dose 10 , Cancer - Breast 9 , Cancer - after diagnosis 9 , Quality of Life 9 , Mortality and D 9 , Deficiency of Vitamin D 9 , Magnesium 9 , Autoimmune 8 , Optimum 8 , HIV 8 , Middle East 8 , How, when to take Vit. D 8 , Cancer - Colon 8 , Overviews 7 , Dental 7 , Cancer 7 , Genetics 7 , Cystic Fibrosis 7 , Fertility and sperm 7 , Vitamin Calcium 7 , Stroke 7 , Lupus 7 , Sleep 6 , Fortification with Vitamin D 6 , Antibiotics, probiotics 6 , Thyroid and parathyroid 6 , Skin 6 , Cancer - Prostate 6 , Metabolic Syndrome 5 , Calcidiol 5 , Headache 5 , Osteoarthritis 5 *, as of Nov 2023

Detailes of associations with the Intervention category

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