See also
Better than Daily category listing hasOptimal vitamin D supplementation strategies (D3 - weekly or monthly) – Feb 2017
Intervention - Vitamin D any time period
Did you know?
- Intervention = supplement, and then see what happens
- Intervention can be daily, 2nd day, . . weekly . . bi-weekly . . .monthly
- Take vitamin D3 daily or weekly which has the following graph
- Loading Dose on VitaminDWiki describes single period intervention
Loading period may just a single day, but is typically 1-8 weeks - This category is a subset of the Intervention - Vitamin D category
- (More Intervention - non daily info below)
Learn how Vitamin D is essential for good health
Watch a 5 minute video "Does Less Sun Mean more Disease?"
Browse for other Health Problems and D in left column or here
see also Supplementing and More in the menu at the top of every page
If you have a disease associated with low Vit D take Vit D
Raising your Vit D levels will substantially prevent other low-Vit D health problems
Proof that Vitamin D Works Getting Vitamin D into your body
Books and Videos
Reasons for low response to vitamin D Why are doctors reluctant
Cancer studies include: Breast
Colds and flu Dark Skin
COVID-19 treated by Vitamin D - studies, reports, videos
7+ Intervention - non daily AND Cancer in the title
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57+ Intervention - non daily with MONTHLY in the title
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Items found: 61
All of the Intervention - non daily articles
- wiki page:
- Clinically isolated syndrome (a precursor to MS) reduced 34% by bi-weekly 100,000 IU of vitamin D – Sept 2024
- Obese women had larger response to oral v.s. injected Vitamin D – Jan 2024
- Children had a better response to Vitamin D given every 2 weeks than daily – RCT Aug 2024
- Viral infections reduced 40% by monthly 100,000 IU Vitamin D – RCT review Aug 2024
- Long-COVID fatigue, anxiety, and cognition treated by 60,000 IU of vitamin D weekly – RCT July 2024
- 50,000 IU of Vitamin D monthly is safe for 1 year, levels still rising – June 2024
- Single 600,000 IU dose of nanoemulsion Vitamin D is safe and effective to fight COVID, even if delay until enter ICU – RCT May 2024
- Children with ADHD again helped by 50,000 IU weekly Vitamin D – RCT June 2024
- COVID deaths cut in half by a single dose of 600,000 IU of Vitamin D - RCT Jan 2024
- PMS reduced by 50,000 IU every two weeks - RCT Jan 2024
- Vitamin D loading dose of 30,000 IU twice a week is safe and effective – RCT July 2023
- Monthly vitamin D dosing better for children than daily (again) - Oct 2023
- Muscles improved in women with 50,000 IU vitamin D weekly (8 weeks) plus daily Magnesium – RCT Sept 2020
- Fibromyalgia pain, fatigue, etc. reduced by 50,000 IU of Vitamin D for 12 weeks – Sept 2023
- Senior cognition improved in 4 ways by Vitamin D (50,000 IU weekly for 8 weeks) – Sept 2023
- Chronic Periodontitis reduced by Vitamin D (60,000 IU weekly for 8 weeks) – RCT July 2023
- Less morphine recall if preceded by twice a week Vitamin D (400 IU per kg in rats, human weights 80 kg) – Aug 2023
- Breast Cancer survival: 44% with just 10,000 IU of vitamin D per week, 33% with placebo – RCT Dec 2023
- Vitamin D response independent of dosing interval – meta-analysis July 2023
- Pain not reduced by 60,000 IU monthly vitamin D (need 50,000 IU weekly) – RCT Aug 2023
- Depression cost-effectively reduced by 50,000 IU of Vitamin D monthly (Iranian teens) – July 2023
- Cardiovascular events – need more than monthly 60,000 IU vitamin D to prevent other than infarction – June 2023
- Multiple Sclerosis treated equally by UVB and weekly 50,000 IU of Vitamin D – RCT July 2023
- Bone fractures of children not reduced if given little vitamin D, no Calcium etc. – RCT May 2023
- Tuberculosis not prevented by a tiny amount of vitamin D (equiv to 1,400 IU daily) – RCT May 2023
- Chronic tonsillitis virtually eliminated in children by Vitamin D (50,000 IU weekly) – RCT May 2023
- Response to infant 2,000 IU Vitamin D daily was in 194 ng, monthly dosing was 20% less – RCT May 2023
- Smoking does not decrease response to monthly Vitamin D – RCT July 2020
- Depression is especially reduced by large intermittent doses of vitamin D – meta-analysis – April 2023
- Fracture 4X less likely following kidney transplant if high-dose Vitamin D (100,000 every 2 weeks) – RCT Jan 2023
- Lupus: 60,000 IU Vitamin D monthly got to only 34 ng, not enough to help – RCT Jan 2023
- Anxiety and Depression decreased in senior prediabetics with weekly 25,000 IU of Vitamin D – RCT Sept 2022
- Depression decreased by Vitamin D (12th study in VitaminDWiki) – RCT Nov 2022
- Bone biomarkers increased equally by daily, weekly, or monthly Vitamin D (CKD in children in this case) – Nov 2022
- Immune systems of overweight black women improved by monthly 60,000 IU Vitamin D – RCT Oct 2022
- Vitamin D does not help when most are not deficient (cataract surgery in this case) – RCT Sept 2022
- Diabetic inflammation synergistically decreased by Vitamin D and exercise – RCT June 2022
- Vitamin D treatment of Chronic Kidney Disease: monthly better than daily – RCT May 2022
- BPH (PSA) decreased by Vitamin D (50,000 IU bi-weekly) – RCT Nov 2020
- Several rheumatic diseases treated by high-dose vitamin D, but made worse if Calcium was added – April 2022
- Diabetes prevented by 50,000 IU vitamin D monthly (Iran) – Jan 2022
- Monthly vitamin D helped hearts with low vitamin D a bit (need it more frequently) – RCT March 2022
- HIV treatment augmented by high-dose vitamin D, daily or weekly – Dec 2021
- Monthly 120,000 IU of Vitamin D while breastfeeding was good – RCT Jan 2022
- Several smoking problems treated by Vitamin D (bi-weekly, 50,000 IU) - RCT Dec 2021
- Most Diabetics getting 40,000 IU of vitamin D weekly did not get to 30 ng (needed gut-friendly form) - RCT June 2020
- Vitamin D levels in teens restored with 150,000 IU monthly for 3 months (mean 33 ng) – Oct 2021
- Sleep not helped when half got to 35 ng of Vitamin D (may need 60 ng) – RCT Dec 2021
- TB not prevented by a small amount of Vitamin D (2,000 IU daily average, Mongolia) – RCT July 2020
- Diabetes helped somewhat by weekly 50,000 IU of vitamin D (5 ways to improve) – RCT Aug 2021
- Weekly Vitamin D plus daily Magnesium is great (reduced depression in obese women in this case) – July 2021
- Falls not decreased by 60,000 IU Vitamin D monthly (not a news item) – RCT Aug 2021
- COVID-19 mortality reduced 4X (chart looks like 2X) by large, infrequent doses of Vitamin D in France – July 2021
- Pain reduced by Vitamin D (60K weekly, then monthly) plus daily Calcium in 3 months – May 2021
- Asthma and COPD in a few seniors greatly decreased by monthly 100,000 IU Vitamin D – RCT Feb 2021
- Mild Obstructive Sleep Apnea decreased by 50,000 IU weekly vitamin D – June 2021
- Every schizophrenia measure was improved when vitamin D levels were normalized – June 2021
- Immune systems helped by 50,000 IU of vitamin D (weekly for 3 months) – May 2021
- 54 genes significantly affected by Vitamin D (50,000 IU weekly for 12 weeks) – May 2021
- 50,000 IU of Vitamin D once every 2 weeks achieved 40 ng in 3 months – RCT March 2021
- Fewer children died of pneumonia after 100,000 IU Vitamin D injection – RCT March 2021
- Stroke patients getting weekly 50,000 IU Vitamin D did better – trial March 2021
- 5X less likely to enter ICU with COVID-19 if get Calcifediol (semi-activated vitamin D) - RCT Feb 19, 2021
- calcifediol rct
- Half as many problems if take Vitamin D (300,000 IU) before thyroidectomy – RCT Jan 2021
- Endometriosis treated by Vitamin D (50,000 IU bi-weekly) – RCT Jan 2021
- Smokers helped by Vitamin D (100,000 IU monthly) - RCT Dec 2017
- Weekly response to semi-activated vitamin D slightly better than standard – RCT Nov 2019
- Prediabetes reduced by weekly 60,000 IU of Vitamin D – RCT Jan 2021
- Acute respiratory tract infections not reduced by Vitamin D if already have a good level – Jan 2021
- Vitamin D for infants – 100,000 IU monthly is better than 400 IU daily – RCT Oct 2020
- BPH (PSA) decreased by Vitamin D (50,000 IU bi-weekly) – RCT Nov 2020
- COVID-19 defeated 3x faster by 420,000 IU Vitamin D nanoemulsion – RCT Nov 12, 2020
- 44 percent of successful RCTs in VitaminDWiki used non-daily dosing - Nov 2020
- ICU patients greatly helped by Vitamin D loading doses – if gut-friendly – Oct 2020
- In Vitro Fertilization clinical trial using 50,000 IU of Vitamin D bi-weekly – Dec 2024
- Diverticular disease:12X reduction if low Vitamin D and given 100,000 IU monthly – RCT Aug 2020
- Sperm not improved enough by Vitamin D - 50,000 IU weekly for 8 weeks - RCT Aug 2020
- Monthly 100,000 IU of Vitamin D adds about 25 ng - RCT April 2020
- Diabetic inflammation reduced by Vitamin D (30,000 IU weekly) – RCT July 2020
- 50,000 IU Vitamin D weekly was the most popular for Breast Cancer - May 2020
- Weekly 50,000 IU of vitamin D is again found to be good – RCT May 2020
- IBS diarrhea treated by weekly 50,000 IU of Vitamin D – RCT March 2020
- 50,000 IU Vitamin D weekly provided enough benefit for combat sport athletes – March 2020
- Those with Asthma or COPD had half the response to Vitamin D – March 2020
- 53 Multiple Sclerosis patients somewhat helped by 10,000 IU of vitamin D (vs, 30,000 virtually cured by 10X as much) – Jan 2020
- 20,000 IU of Vitamin D weekly gave many benefits – RCT Aug 2019
- Multiple Sclerosis relapses cut in half by 100,000 IU of Vitamin D every 2 weeks– RCT 2019
- Influenza vaccine antibodies not change with Vitamin D – 21 ng or 44 ng – RCT Feb 2019
- 100,000 IU of Vitamin D3 monthly for 4 months to diabetics (D2 bombed) – RCT Dec 2019
- Muscles not improved by just Vitamin D weekly (also need exercise) – Dec 2019
- Yet another study confirms Depression is treated by weekly Vitamin D (50,000 IU)– RCT Dec 2019
- HIV therapy reduces Vitamin D levels, supplementation helps - Nov 2019
- PMS again significantly reduced by 50,000 IU of vitamin D (This time, every two weeks) – RCT Oct 2019
- Depression decreased after vitamin D (50,000 IU weekly to elderly in the case) – RCT Oct 2019
- Vitamin D levels in children optimized with six Vitamin D biscuits – RCT Nov 2018
- Hashimoto's thyroiditis helped by weekly 50,000 IU of vitamin D – RCT May 2019
- Obese lost 3X more weight with Vitamin D - July 2018
- Breast Cancer chemo reduces Bone Mineral Density, injecting Vitamin D increases it – Sept 2019
- Colorectal Cancer treatment aided by omega-3 plus weekly Vitamin D – RCT Sept 2019
- Severely Obese not helped much by 50,000 IU of vitamin D weekly for 8 weeks – RCT June 2019
- Athletes helped by weekly 50,000 IU Vitamin D – RCT Aug 2019
- Hay Fever treated by Vitamin D (50,000 IU weekly) – RCT July 2019
- COPD trial to use 80,000 IU of vitamin D weekly – RCT 2021
- Type 2 Diabetes inflammation reduced by 50,000 IU of Vitamin D bi-weekly and resistance training – RCT – June 2019
- Lower back pain treated by 600,000 IU of Vitamin D – RCT June 2019
- Methadone cognition improved by 50,000 IU of vitamin D every 2 weeks – RCT May 2019
- Weekly oral Vitamin D recommended before surgery (Bariatric in this case) – RCT June 2019
- Grip strength following wrist fracture increased by 50,000 IU Vitamin D monthly – May 2019
- Obese responded to weekly vitamin D better than non-obese – RCT March 2018
- Weekly Vitamin D to mother after birth much better than daily - RCT Aug 2018
- Irritable Bowel Syndrome treated by weekly 50,000 IU Vitamin D – RCT Feb 2019
- Prediabetes both prevented and treated by monthly Vitamin D, etc.
- Cystic Fibrosis not helped by 50,000 IU of Vitamin D taken twice a month – RCT Feb 2019
- Schizophrenia reduced by biweekly 50,000 IU Vitamin D and probiotics – RCT Feb 2019
- Vitamin D every 14 weeks is not often enough (asthma in this case)– Feb 2019
- Cognitive function of adult women improved in 3 months of 50,000 IU weekly Vitamin D – Jan 2019
- 450,000 IU of vitamin D over 9 weeks given to 100,000 teenage Iranian girls helped their livers – Feb 2019
- Childhood colds reduced 25 percent by weekly Vitamin D – RCT Jan 2019
- Peripheral diabetic neuropathy helped by weekly 50,000 IU vitamin D – Jan 2019
- Urgency Urinary Incontinence in senior black women decreased 40 percent by weekly 50,000 IU vitamin D – RCT Dec 2018
- Ulcerative Colitis inflammation treated by weekly vitamin D (40,000 IU) – July 2018
- Daily, monthly Vitamin D had similar great benefits, more than 6 months needed – RCT Dec 2018
- 50,000 IU of vitamin D weekly following cardiac failure helps – RCT 2014
- Attention-Deficit Hyperactivity Disorder treated by weekly 50,000 IU of vitamin D – RCT Nov 2018
- Rheumatoid Arthritis pain reduced by monthly 100,000 IU of Vitamin D – Oct 2018
- Diabetic nephropathy (Kidney) treated by 50,000 IU of vitamin D weekly – RCT Jan 2019
- Obese lost more weight on diet if added 50,000 IU of vitamin D weekly – many RCTs
- Getting Vitamin D before heart surgery prevented Afib in those who had been deficient – July 2018
- Esophageal Cancer surgery helped by 300,000 IU of Vitamin D – RCT Sept 2018
- Vitamin D dosing - weekly may be better than daily – video Aug 2018
- 50,000 IU of Vitamin D weekly for 9 weeks did not improve CVD – Aug 2018
- Monthly 100,000 IU of vitamin D is safe (and may be better than daily) – RCT Aug 2018
- Vitamin D given weekly better than daily (Nursing home, 5,600 IU weekly) – Aug 2018
- All asthma problems reduced after 1 year of Vitamin D – Nov 2017
- Knee Osteoarthritis benefited by 20 ng of Vitamin D for 5 years – RCT July 2018
- Multiple Sclerosis treated by 50,000 IU Vitamin D bi-weekly plus Omega-3 – RCT July 2018
- Improved recovery from ischemic stroke with Vitamin D (300,000 IU injection) – RCT June 2018
- Vitamin D treatment of diabetes (50,000 IU every 2 weeks) augmented by probiotic – RCT June 2018
- Fibromyalgia pain substantially reduced by weekly Vitamin D (50,000 IU) – June 2018
- Pregnancies helped a lot by Vitamin D (injection then 50,000 IU monthly) – RCT May 2018
- 100,000 IU of vitamin D monthly decreases use of NASIDs by 13 percent if low vitamin D – RCT May 2018
- Vitamin D every 25 days may be BETTER than daily – RCT May 2018
- 300,000 IU of Vitamin D is not enough during pregnancy – RCT May 2018
- Cardiovascular risk markers not helped by 20,000 IU of vitamin D weekly – RCT May 2018
- Vitamin D weekly supplementation (Spinal Cord Injury athletes) increased handgrip strength – May 2018
- Gut bacteria of Crohn's disease patients improved by Vitamin D – March 2018
- Response by obese to weekly 50,000 IU of Vitamin D – May 2018
- Far more Vitamin D in breast milk from a 150,000 IU dose than from daily 5,000 IU – RCT May 2018
- Autism treated by Vitamin D (monthly injection of 150,000 IU) – June 2017
- Weekly dosing of vitamin D is far better than single large dose (chronic liver, children) – March 2018
- Monthly vitamin D dosing had higher response than 3 per month – RCT Jan 2018
- Testosterone and erectile function increased after vitamin D supplementation – Jan 2018
- PMS in teens reduced 3X by 50,000 IU vitamin D weekly – Jan 2018
- Waist size reduced 3 cm by Vitamin D in those with Metabolic Syndrome – Jan 2017
- Lupus reduced when half of participants got to 38 ng of Vitamin D (not statistically significant) – RCT Jan 2017
- HbA1c levels (Diabetes) reduced by monthly 50,000 IU of vitamin D – Dec 2017
- Breathing by ever-smokers improved by monthly Vitamin D – RCT 2017
- Ventilator-associated pneumonia death rate cut in half by Vitamin D injection (300,000 IU) – RCT July 2017
- Vitamin D depression RCT canceled: too many were taking Vitamin D supplements, etc. Feb 2018
- Vitamin D changed microbiota in gut and airway, might reduce cystic fibrosis – RCT Nov 2017
- Hypertension not controlled by 26 ng of Vitamin D (50,000 IU bi-weekly A-A) – RCT Nov 2017
- Less bone loss if take 100,000 IU vitamin D monthly – RCT Nov 2017
- Vitamin D toxicity problems from 600,000 IU weekly for 6 weeks – July 2017
- Blood pressure reduced by monthly 100,000 IU of vitamin D in those who were deficient – RCT Oct 2017
- Probably Fractures of the Tibia can be healed with 100,000 IU of vitamin D weekly – RCT 2023
- Promising Vitamin D Clinical Trials - 2017
- Perhaps fewer bone non-unions with 100,000 IU weekly of vitamin D – RCT 2018
- Breast Cancer trial using 50,000 IU Vitamin D weekly cancelled (no funding)
- Delay onset of Multiple Sclerosis with 100,000 IU of vitamin D every two weeks – RCT 2020
- Vitamin D taken daily (4,000 IU) vs weekly (50,000 IU) – RCT 2019
- HIV patients helped by monthly 120,000 IU of Vitamin D – RCT Oct 2017
- Monthly 120,000 IU Vitamin D plus daily Calcium was great during pregnancies – RCT Sept 2017
- Intervention - non daily
- Monthly 80,000 IU of vitamin D safely got half above 40 ng in 6 months – March 2017
- Vitamin D – 91 percent safely got above 30 ng in 2 months with weekly 30,000 IU – Aug 2017
- TB not treated by vitamin D given for only 2 months – RCT Sept 2017
- Monthly vitamin D dosing is better than daily dosing for children and elderly (more likely to be taken) – June 2017
- Depression in adolescent girls reduced somewhat by 50,000 IU weekly for 9 weeks – July 2017
- Hemodialysis patients (CKD) helped by weekly 50,000 IU of vitamin D – Jan 2017
- Canadian grant funding lost for prescribing 50,000 IU of vitamin D – July 2017
- Preeclampsia recurrence reduced 2 X by 50,000 IU of vitamin D every two weeks – RCT July 2017
- Chinese women in tropics needed 50,000 IU of Vitamin D monthly to keep above 30 ng – RCT May 2017
- 50,000 IU of vitamin D every two weeks – Jordan conclusion - RCT July 2017
- Many benefits of 50,000 IU vitamin D every two weeks (methadone treatment) – RCT June 2017
- Breastfeeding mothers and Vitamin D: supplement only themselves usually, 4 out of 10 used monthly rather than daily – Jan 2017
- Sleep disorders nicely treated by Vitamin D (50,000 IU twice a month) – RCT May 2017
- Vitamin D – 50,000 IU monthly is enough if near the equator and have normal weight – May 2017
- Elite Athletes do well with weekly 35,000 IU of Vitamin D – RCT Feb 2017
- Optimal vitamin D supplementation strategies (D3 - weekly or monthly) – Feb 2017
- Pulmonary hypertension reduced in some people with weekly 50,000 IU vitamin D for 3 months – 2016
- Vitamin D required for breastfed infants – daily or monthly, infant or mother – Jan 2017
- Chronic Back Pain relieved by weekly 60,000 IU of vitamin D – Jan 2017
- 50,000 IU of vitamin D for 8 weeks of pregnancy raised most above 30 nanograms - RCT Jan 2017
- Knee osteoarthritis pain reduced by 60,000 IU monthly vitamin D following loading dose – RCT Nov 2013
- Fibromyalgia treated with Vitamin D (50,000 IU weekly for 3 months) – 2016, 2017, 2018, 2019
- Chikungunya virus arthritis pain reduced by weekly 60,000 IU vitamin D – Sept 2016
- Vitamin D – monthly dosing was better than daily with Calcium – RCT Dec 2015
- Multiple sclerosis helped some by 10,000 IU of vitamin D daily avg. for 3 months – RCT Sept 2016
- Gestational Diabetes treated with 50,000 IU every two weeks – RCT Sept 2016
- Mother got 100,000 IU of vitamin D monthly, breastfeeding infant got a little – RCT Aug 2016
- Ischaemic stroke – Vitamin D doubled survival (Injection followed by monthly 60,000 IU) – RCT Aug 2016
- Weekly pizza fortified with 28,000 IU raised Vitamin D by 30 nanograms – RCT Aug 2015
- Pregnancy – adding 35,000 IU Vitamin D weekly was nice, but not enough – RCT April 2016
- Non-Alcoholic Fatty Liver Disease (NAFLD) treated by Vitamin D (20,000 IU weekly after loading dose) – RCT June 2016
- UTI associated with low Vitamin D as well as treated - many studies
- Falls cut in half by 100,000 IU vitamin D monthly - RCT 2016
- Nursing home residents need Vitamin D 4,000 IU daily or 50,000 IU weekly – Jan 2016
- Infant infection reduced by half with vitamin D supplementation – RCT May 2016
- IBS quality of life improved by vitamin D (50,000 IU every two weeks) – RCT May 2016
- Vitamin D daily or weekly dosing resulted in similar response -RCT Jan 2016
- 5,000 IU daily or 50,000 IU Vitamin D weekly repleted many dark skinned adolescents – RCT Dec 2015
- Vitamin D loading dose then weekly 50,000 IU not help (COPD) if very deficient – Oct 2015
- Preeclampsia reduced by Vitamin D (50,000 IU bi-weekly) and Calcium – Oct 2015
- Common cause of dizziness (BPPV) reduced 5 X by several doses of 50,000 IU of vitamin D – 2015, 2016
- Children getting 60,000 IU monthly got to vitamin D level of 33 ng – Sept 2015
- Graph of weekly response to monthly vitamin D supplementation – Aug 2015
- 2X fewer Senior falls in group getting 100,000 IU vitamin D monthly via Meals-on-Wheels – RCT Aug 2015
- Migraine headaches reduced with 50,000 IU vitamin D weekly – RCT July 2015
- 50,000 IU of vitamin D weekly (D3 or D2) got two thirds of cystic fibrosis patients to 30 nanograms – RCT July 2015
- Vitamin D levels of HIV and non HIV equally restored with 50,000 IU twice a week - July 2015
- Hives treatment augmented by 60,000 IU Vitamin D weekly – RCT June 2015
- No multiple sclerosis relapses during pregnancy if 50,000 IU of Vitamin D weekly – RCT April 2015
- Non-alcoholic fatty liver disease (NAFLD) reduced somewhat by 50,000 IU vitamin D every 2 weeks – RCT Sept 2014
- Knee osteoarthritis treated with vitamin D, weekly 50,000 IU – May 2015
- Juvenile Lupus fatigue reduced by vitamin D ( 50,000 IU weekly for 6 months) – RCT May 2015
- Prediabetes reduced by monthly 60,000 IU of vitamin D – RCT May 2015
- Respiratory infections (RTI) cut in half by 20,000 IU weekly vitamin D if initially deficient – RCT March 2015
- Pain of Diabetic Neuropathy reduced with weekly 50,000 IU vitamin D– CT Feb 2015
- Response and adverse effects of 20,000 and 30,000 IU Vitamin D weekly - Feb 2015
- 50,000 IU of Vitamin D every 2 weeks reduced gestational diabetes – RCT Feb 2015
- T-cells increased with monthly doses of 140,000 IU vitamin D – April 2014
- Angina dramatically reduced by injections of vitamin D twice a month (300,000 IU) – Jan 2015
- Response to 150,000 IU vitamin D once vs 5,000 IU daily – RCT May 2014
- Type 1 diabetes helped with 50,000 IU of vitamin D every two weeks – Nov 2014
- Growing pains reduced 60 percent by monthly Vitamin D – March 2014
- Fibromyalgia pain with trazodone reduced by 50 percent with weekly 50,000 IU of vitamin D – RCT Nov 2014
- Vitamin D restored in teens by doses totalling 300,000 IU – Nov 2014
- ICU survival increased with vitamin D single 540K IU loading dose - JAMA Sept 2014
- Asthma reduced by weekly 50,000 IU of vitamin D – RCT Aug 2014
- Gestational Diabetes reduced with 50,000 IU of vitamin D every 3 weeks and daily Calcium – RCT June 2014
- Optic neuritis progession into Multiple Sclerosis reduced 68 percent by 50,000 IU of vitamin D weekly
- Blood pressure in diabetics reduced by 12 weekly doses of 50,000 IU vitamin D – RCT Jan 2014
- One pill every two weeks gives you all the vitamin D most adults need
- Vitamin D update – 40-60 ng ideal, 50K biweekly maintenance – Jan 2014
- Can get 50,000 IU Vitamin D anywhere on the globe
- Rickets prevented by single injection of vitamin D or weekly supplementation – RCT Jan 2014
- 50,000 IU of vitamin D monthly in winter gets most above 20 ng – RCT Nov 2013
- Breast milk resulted in 20 ng of vitamin D for infant if mother had taken 5,000 IU daily – RCT Dec 2013
- 40,000 IU vitamin D weekly reduced depression in many obese subjects – RCT 2008
- COPD fought by Vitamin D - many studies
- HIV – recommend 100,000 IU vitamin D monthly to get levels 30 ng – May 2013
- Antibiotic use cut in half by elderly (over 70) after monthly 60,000 IU of vitamin D – RCT Dec 2013
- 50,000 IU Vitamin D weekly Improves Mood, Lowers Blood Pressure in Type 2 Diabetics – Oct 2013
- Prenatal Vitamin D (35,000 weekly, 3rd trimester) resulted in 1 cm taller infants at age 1 year – RCT Aug 2013
- Insulin resistance during pregnancy improved with 50,000 IU of vitamin D every 2 weeks – RCT April 2013
- 50,000 IU vitamin D 1-3 times per week helped obese patients in rehab. – May 2013
- Near the end of pregnancy 50,000 IU vitamin D weekly was great – RCT April 2013
- 35,000 IU vitamin D weekly during 3rd quarter pregnancy – RCT March 2013
- 50,000 IU vitamin D weekly is safe and effective for Primary Hyperparathyroidism – Jan 2013
- Venous ulcers healed 4X faster with weekly 50,000 IU vitamin D – RCT Oct 2012
- 7100 IU (50000 weekly) got most women to 30 ng of vitamin D - Aug 2012
- 7100 IU (50000 weekly) restored vitamin D levels for those with Chronic Kidney Disease – July 2012
- 7 improvements in lives of veterans with chronic pain with 50,000 IU vitamin D weekly – June 2012
- Raynaud's pain decreased with 600,000 IU monthly vitamin D – RCT May 2012
- Take vitamin D3 daily, weekly, or bi-weekly
- Proof that Vitamin D Works
- Muscle strength in youth increased with 60,000 IU vitamin D per week and 1 g Calcium – April 2010
Health Problems fought by Intervention - non daily
Diabetes 22; Better than daily 18; Pregnancy 17; Loading dose 16; Pain - chronic 13; Breathing 12; How much Vitamin D 11; Obesity 10; Infant-Child 10; Injection 9; Gut 8; Depression 8; Cardiovascular 7; Falls and Fractures 7; Women 7; Multiple Sclerosis 6; Virus 6; Sports 6; Trauma and surgery 6; Youth 5; Seniors 5; Hypertension 5; HIV 5; Sleep 4; Liver 4; Skin - Dark 4; Kidney 4; Immunity 4; Cognitive 4; How; when to take Vit. D 4 as of Oct 2022
Intervention - non daily
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