Vitamin D dosing - many studies


43+ VitaminDWiki pages have 50,000 60,000 IU AND MONTHLY in their title

Note: India uses 60,000 IU capsules

Items found: 45
Title Modified
50,000 IU of Vitamin D monthly is safe for 1 year, levels still rising – June 2024 13 Jun, 2024
Menstrual pain reduced by Vitamin D (50,000 weekly or 300,000 monthly) – meta-analyses 11 Apr, 2024
Pain not reduced by 60,000 IU monthly vitamin D (need 50,000 IU weekly) – RCT Aug 2023 22 Jul, 2023
Cardiovascular events – need more than monthly 60,000 IU vitamin D to prevent other than infarction – June 2023 13 Jul, 2023
Lupus: 60,000 IU Vitamin D monthly got to only 34 ng, not enough to help – RCT Jan 2023 04 Jan, 2023
Diabetes prevented by 50,000 IU vitamin D monthly (Iran) – Jan 2022 03 Nov, 2022
Immune systems of overweight black women improved by monthly 60,000 IU Vitamin D – RCT Oct 2022 14 Oct, 2022
60,000 IU of vitamin D monthly is healthy and safe – RCT Aug 2022 19 Aug, 2022
Resistance training can be aided by Vitamin D, 50,000 IU monthly is not often enough – RCT Dec 2021 11 Jan, 2022
Mortality reduction needs more than monthly 60,000 IU of Vitamin D - RCT Jan 2022 11 Jan, 2022
Falls not decreased by 60,000 IU Vitamin D monthly (not a news item) – RCT Aug 2021 02 Aug, 2021
Ischaemic stroke – Vitamin D doubled survival (Injection followed by monthly 60,000 IU) – RCT Aug 2016 05 Mar, 2021
Bone density improved by monthly 50,000 IU of vitamin D for 6 months – RCT Jan 2021 19 Jan, 2021
60,000 IU dose of VItamin D (weekly, monthly) is popular in India 17 Nov, 2020
Vitamin D less costly if give 100,000 IU monthly (but 50,000 IU biweekly should save more money) – July 2019 16 Jul, 2019
Grip strength following wrist fracture increased by 50,000 IU Vitamin D monthly – May 2019 09 May, 2019
Pregnancies helped a lot by Vitamin D (injection then 50,000 IU monthly) – RCT May 2018 28 May, 2018
Knee pain and depression reduced by monthly 50,000 IU vitamin D – RCT April 2018 21 Apr, 2018
50,000 IU vitamin D routinely given monthly in New Zealand senior homes since 2011– Dec 2016 07 Apr, 2018
Pain not relieved by monthly 100,000 IU of vitamin D (need 50,000 IU weekly) – RCT Feb 2018 02 Mar, 2018
HbA1c levels (Diabetes) reduced by monthly 50,000 IU of vitamin D – Dec 2017 01 Mar, 2018
Chinese women in tropics needed 50,000 IU of Vitamin D monthly to keep above 30 ng – RCT May 2017 14 Jul, 2017
Vitamin D – 50,000 IU monthly is enough if near the equator and have normal weight – May 2017 25 Apr, 2017
Prediabetes reduced by monthly 60,000 IU of vitamin D – RCT May 2015 15 Mar, 2017
Knee osteoarthritis pain reduced by 60,000 IU monthly vitamin D following loading dose – RCT Nov 2013 24 Dec, 2016
Antibiotic use cut in half by elderly (over 70) after monthly 60,000 IU of vitamin D – RCT Dec 2013 06 Oct, 2016
Vitamin D trial – 60,000 IU monthly to reduce death and colon cancer – results due 2025 12 Aug, 2016
Free Vitamin D in New Zealand to prevent falls in nursing homes (50,000 IU monthly) – June 2016 30 Jul, 2016
Monthly 60,000 IU of Vitamin D did not reduce mortality (too infrequent)- Feb 2022monthly) will reduce mortality – results due 2024 19 Apr, 2016
Knee osteoarthritis reduced somewhat by 50,000 IU vitamin D monthly (need more) – RCT Aug 2015 08 Mar, 2016
Children getting 60,000 IU monthly got to vitamin D level of 33 ng – Sept 2015 10 Sep, 2015
Diabetes not treated by MONTHLY 50,000 IU vitamin D (which is not quite enough) – May 2015 12 Jul, 2015
Diabetes RCT we expect to fail just 50,000 IU monthly - July 2014 12 Jul, 2015
Lupus not treated by monthly 50,000 IU vitamin D (no surprise) – RCT April 2015 23 Mar, 2015
50,000 IU monthly safe to take without any vitamin D testing – RCT Dec 2013 22 Dec, 2014
Will vitamin D loading dose and 50,000 IU monthly will help after melanoma surgery – Oct 2014 24 Oct, 2014
Bronchial Asthma reduced with 60,000 IU monthly vitamin D – RCT Nov 2013 14 Sep, 2014
1700 IU daily average restored HIV vitamin D levels (50000 monthly) – Aug 2012 15 Mar, 2014
50,000 IU of vitamin D monthly in winter gets most above 20 ng – RCT Nov 2013 21 Dec, 2013
1700 IU vitamin D (50000 monthly) helped antarctic explorers – RCT Jan 2012 17 Dec, 2013
60,000 IU vitamin D monthly with Calcium was safe but not enough in the winter – 2012 02 Nov, 2013
60,000 IU vitamin D monthly with daily Calcium was safe but not enough in the winter – 2012 02 Nov, 2013
Half of the seniors needed more than 1700 IU vitamin D3 (50000 monthly) – April 2011 31 Aug, 2012
830 IU vitamin D (50000 bi-monthly) helped infants – May 2010 31 Aug, 2012
50,000 IU vitamin D suggested to prevent osteoporosis (weekly then monthly)– April 2019 No value for 'modification_date_major'

12+ VitaminDWiki pages have 50,000 or 60,000 IU AND BI-WEEKLY in their title

Note: India uses 60,000 IU capsules

Items found: 12

130+ VitaminDWiki pages have 50,000 or 60,000 IU AND WEEKLY in their title

Note: India uses 60,000 IU capsules

Items found: 135
Title Modified
T2 Diabetes and associated CVD problems fought by Vitamin D (weekly 50,000 IU) – Sept 2024 18 Sep, 2024
Health can be greatly improved by weekly 50,000 IU of Vitamin D - video and charts Lahore- March 2023 30 Aug, 2024
Health can be greatly improved by weekly 50,000 IU of Vitamin D - video Lahore - March 2023 30 Aug, 2024
High-Doses (50,000 IU weekly, etc.) if at high risk of Vitamin D deficiency - Aug 2024 12 Aug, 2024
Long-COVID fatigue, anxiety, and cognition treated by 60,000 IU of vitamin D weekly – RCT July 2024 29 Jul, 2024
Depression in seniors greatly reduced by Vitamin D (50,000 IU weekly) – meta-analysis June 2023 10 Jun, 2024
Children with ADHD again helped by 50,000 IU weekly Vitamin D – RCT June 2024 18 May, 2024
Menstrual pain reduced by Vitamin D (50,000 weekly or 300,000 monthly) – meta-analyses 11 Apr, 2024
50,000 IU of Vitamin D weekly greatly decreased bone loss from prostate cancer therapy - RCT March 2024 24 Mar, 2024
Following Bariatric surgery, weekly 50,000 IU of standard Vitamin D is not enough – Jan 2024 12 Jan, 2024
Take 50,000 IU of Vitamin D weekly for 2-4 months, then get a test - Dec 2021 19 Dec, 2023
Consensus: 60,000 IU of Vitamin D weekly for 2-6 months can fight COVID, etc, – India April 2022 13 Oct, 2023
Muscles improved in women with 50,000 IU vitamin D weekly (8 weeks) plus daily Magnesium – RCT Sept 2020 16 Sep, 2023
Venous ulcers healed 4X faster with weekly 50,000 IU vitamin D – RCT Oct 2012 08 Sep, 2023
Senior cognition improved in 4 ways by Vitamin D (50,000 IU weekly for 8 weeks) – Sept 2023 06 Sep, 2023
Chronic Periodontitis reduced by Vitamin D (60,000 IU weekly for 8 weeks) – RCT July 2023 01 Sep, 2023
Type 2 Diabetes treated by Vitamin D (often 50,000 IU weekly) – meta-analysis July 2023 21 Aug, 2023
IBS reduced by 50,000 IU of Vitamin D (weekly or bi-weekly) – Meta-analysis July 2023 16 Aug, 2023
Pain not reduced by 60,000 IU monthly vitamin D (need 50,000 IU weekly) – RCT Aug 2023 22 Jul, 2023
Multiple Sclerosis fatigue reduced by weekly Vitamin D (50,000 IU) – June 2023 15 Jul, 2023
60,000 IU vitamin D weekly with daily Calcium was safe but not enough in the winter – 2012 13 Jul, 2023
Cognition improved in 5 ways after Vitamin D increased to 32 ng (50,000 weekly) – June 2023 03 Jul, 2023
Multiple Sclerosis treated equally by UVB and weekly 50,000 IU of Vitamin D – RCT July 2023 18 Jun, 2023
Mild Obstructive Sleep Apnea decreased by 50,000 IU weekly vitamin D – June 2021 20 May, 2023
Chronic tonsillitis virtually eliminated in children by Vitamin D (50,000 IU weekly) – RCT May 2023 20 May, 2023
Breast Cancer trial using 50,000 IU Vitamin D weekly cancelled (no funding) 18 Apr, 2023
Urinary Incontinence reduced by 50,000 IU of vitamin D weekly (details behind paywall) – RCT Feb 2023 24 Feb, 2023
50,000 IU Vitamin D weekly is often recommended 30 Nov, 2022
50,000 weekly increased vitamin D levels in breast cancer patients – Mar 2011 06 Nov, 2022
50,000 IU of Vitamin D weekly for 6 months after cardiac failure helps – RCT May 2022 11 Jun, 2022
Poor odor detection if low Vitamin D, better after 50,000 IU weekly - July 2021 23 Jan, 2022
Several smoking problems treated by Vitamin D (bi-weekly, 50,000 IU) - RCT Dec 2021 29 Dec, 2021
50,000 IU Vitamin D weekly was the most popular for Breast Cancer - May 2020 30 Aug, 2021
Diabetes helped somewhat by weekly 50,000 IU of vitamin D (5 ways to improve) – RCT Aug 2021 19 Aug, 2021
Vitamin D for infections and COVID (50,000 IU weekly for 3 months) – July 2021 02 Aug, 2021
Yet another study confirms Depression is treated by weekly Vitamin D (50,000 IU)– RCT Dec 2019 09 Jul, 2021
Cognitive function of adult women improved in 3 months of 50,000 IU weekly Vitamin D – Jan 2019 09 Jul, 2021
Immune systems helped by 50,000 IU of vitamin D (weekly for 3 months) – May 2021 03 Jun, 2021
Peripheral diabetic neuropathy helped by weekly 50,000 IU vitamin D – Jan 2019 25 May, 2021
54 genes significantly affected by Vitamin D (50,000 IU weekly for 12 weeks) – May 2021 12 May, 2021
Depression treated by 50K IU Vitamin D weekly (but not 1,000 IU daily) – meta-analysis Jan 2021 25 Apr, 2021
Stroke patients getting weekly 50,000 IU Vitamin D did better – trial March 2021 12 Mar, 2021
Prediabetes reduced by weekly 60,000 IU of Vitamin D – RCT Jan 2021 23 Feb, 2021
Weekly 50,000 IU was the most succesful way to restore vitamin D levels (football) - Aug 2020 08 Feb, 2021
Endometriosis treated by Vitamin D (50,000 IU bi-weekly) – RCT Jan 2021 30 Jan, 2021
Migraine headaches reduced with 50,000 IU vitamin D weekly – RCT July 2015 14 Jan, 2021
Take 50,000 IU of Vitamin D weekly before and after COVID-19 vaccination 27 Dec, 2020
Trial: Can 50,000 IU of Vitamin D weekly help with Breast Cancer Chemotherapy - Early 2021 21 Dec, 2020
A call to action: Vitamin D for hip fracture (50,000 weekly for 8 weeks, then bi-weekly – Holick July 2020 11 Dec, 2020
50,000 IU vitamin D weekly to avoid Osteroporosis after Breast Cancer - May 2020 26 Nov, 2020
BPH (PSA) decreased by Vitamin D (50,000 IU bi-weekly) – RCT Nov 2020 21 Nov, 2020
60,000 IU dose of VItamin D (weekly, monthly) is popular in India 17 Nov, 2020
In Vitro Fertilization clinical trial using 50,000 IU of Vitamin D bi-weekly – Dec 2024 14 Sep, 2020
Sperm not improved enough by Vitamin D - 50,000 IU weekly for 8 weeks - RCT Aug 2020 27 Aug, 2020
Weekly 50,000 IU of vitamin D is again found to be good – RCT May 2020 27 May, 2020
COVID-19 might be prevented in 2 months by 50,000 IU weekly – May 12, 2020 12 May, 2020
IBS diarrhea treated by weekly 50,000 IU of Vitamin D – RCT March 2020 25 Mar, 2020
50,000 IU Vitamin D weekly provided enough benefit for combat sport athletes – March 2020 21 Mar, 2020
Response by obese to weekly 50,000 IU of Vitamin D – May 2018 12 Feb, 2020
Irritable Bowel Syndrome treated by weekly 50,000 IU Vitamin D – RCT Feb 2019 18 Jan, 2020
Hip surgery with multiple doses of 50,000 IU of vitamin D weekly both before and after – RCT 2023 16 Jan, 2020
Obese lost more weight on diet if added 50,000 IU of vitamin D weekly – many RCTs 25 Dec, 2019
Obese taking 50,000 IU of vitamin D weekly lost more weight (again) – RCT Dec 2019 25 Dec, 2019
General Anxiety Disorder treated by weekly Vitamin D (50,000 IU -Omega-3, Mg also help) – Sept 2019 09 Dec, 2019
Fibromyalgia treated with Vitamin D (50,000 IU weekly for 3 months) – 2016, 2017, 2018, 2019 19 Oct, 2019
Depression decreased after vitamin D (50,000 IU weekly to elderly in the case) – RCT Oct 2019 17 Oct, 2019
Hashimoto's thyroiditis helped by weekly 50,000 IU of vitamin D – RCT May 2019 10 Sep, 2019
Severely Obese not helped much by 50,000 IU of vitamin D weekly for 8 weeks – RCT June 2019 21 Aug, 2019
Athletes helped by weekly 50,000 IU Vitamin D – RCT Aug 2019 10 Aug, 2019
Hay Fever treated by Vitamin D (50,000 IU weekly) – RCT July 2019 02 Aug, 2019
Statin pain eliminated by 7100 IU vitamin D (50000 IU weekly) – July 2011 21 Jul, 2019
Urgency Urinary Incontinence in senior black women decreased 40 percent by weekly 50,000 IU vitamin D – RCT Dec 2018 07 Jul, 2019
Type 2 Diabetes inflammation reduced by 50,000 IU of Vitamin D bi-weekly and resistance training – RCT – June 2019 01 Jul, 2019
PMS in teens reduced 3X by 50,000 IU vitamin D weekly – Jan 2018 23 Mar, 2019
Poor Vitamin D binding had 30 percent less response to Vitamin D (50,000 IU weekly) – Feb 2019 04 Feb, 2019
Depression probably treated by bi-weekly 50,000 IU of vitamin D - RCT 2020 05 Dec, 2018
50,000 IU of vitamin D weekly following cardiac failure helps – RCT 2014 24 Nov, 2018
Attention-Deficit Hyperactivity Disorder treated by weekly 50,000 IU of vitamin D – RCT Nov 2018 21 Nov, 2018
Diabetic nephropathy (Kidney) treated by 50,000 IU of vitamin D weekly – RCT Jan 2019 17 Nov, 2018
Diabetes treated if given enough vitamin D (example: 50,000 IU weekly) – review of RCT - Jan 2017 02 Nov, 2018
Depression in seniors treated by weekly 50,000 IU of vitamin D – RCT Sept 2018 15 Oct, 2018
50,000 IU of Vitamin D weekly for 9 weeks did not improve CVD – Aug 2018 28 Aug, 2018
Multiple Sclerosis treated by 50,000 IU Vitamin D bi-weekly plus Omega-3 – RCT July 2018 06 Jul, 2018
Fibromyalgia pain substantially reduced by weekly Vitamin D (50,000 IU) – June 2018 23 Jun, 2018
Pain not relieved by monthly 100,000 IU of vitamin D (need 50,000 IU weekly) – RCT Feb 2018 02 Mar, 2018
Cystic Fibrosis got some benefit from 50,000 IU of vitamin D weekly (need gut-friendly form) – Feb 2018 03 Feb, 2018
Hypertension not controlled by 26 ng of Vitamin D (50,000 IU bi-weekly A-A) – RCT Nov 2017 18 Nov, 2017
Vitamin D taken daily (4,000 IU) vs weekly (50,000 IU) – RCT 2019 23 Oct, 2017
Dry eye decreased with weekly 50,000 IU vitamin D injection for 8 weeks – Sept 2017 07 Sep, 2017
Depression in adolescent girls reduced somewhat by 50,000 IU weekly for 9 weeks – July 2017 01 Sep, 2017
Hemodialysis patients (CKD) helped by weekly 50,000 IU of vitamin D – Jan 2017 27 Jul, 2017
Cervical lesions (precancerous, identified by pap smear) treated by bi-weekly 50,000 IU of vitamin D – RCT Feb 2017 22 Jul, 2017
7100 IU (50000 weekly) got most women to 30 ng of vitamin D - Aug 2012 20 Jul, 2017
Knee osteoarthritis treated with vitamin D, weekly 50,000 IU – May 2015 20 Jul, 2017
50,000 IU Vitamin D weekly Improves Mood, Lowers Blood Pressure in Type 2 Diabetics – Oct 2013 20 Jul, 2017
Fibromyalgia treated with Vitamin D (50,000 IU weekly for 3 months) – Nov 2016 27 Jun, 2017
50,000 IU of vitamin D weekly (D3 or D2) got two thirds of cystic fibrosis patients to 30 nanograms – RCT July 2015 22 Apr, 2017
50,000 IU vitamin D weekly is safe and effective for Primary Hyperparathyroidism – Jan 2013 23 Jan, 2017
Pulmonary hypertension reduced in some people with weekly 50,000 IU vitamin D for 3 months – 2016 16 Jan, 2017
Chronic Back Pain relieved by weekly 60,000 IU of vitamin D – Jan 2017 10 Jan, 2017
Juvenile Lupus fatigue reduced by vitamin D ( 50,000 IU weekly for 6 months) – RCT May 2015 24 Nov, 2016
Chikungunya virus arthritis pain reduced by weekly 60,000 IU vitamin D – Sept 2016 29 Sep, 2016
7100 IU (50000 weekly) restored vitamin D levels for those with Chronic Kidney Disease – July 2012 21 Sep, 2016
5,000 IU daily or 50,000 IU Vitamin D weekly repleted many dark skinned adolescents – RCT Dec 2015 06 Aug, 2016
Nursing home residents need Vitamin D 4,000 IU daily or 50,000 IU weekly – Jan 2016 25 May, 2016
IBS quality of life improved by vitamin D (50,000 IU weekly) – RCT May 2016 17 May, 2016
Prediabetics not helped by 50,000 IU of vitamin D weekly and Calcium– Jan 2013 03 Apr, 2016
Pain of Diabetic Neuropathy reduced with weekly 50,000 IU vitamin D– CT Feb 2015 22 Oct, 2015
Vitamin D loading dose then weekly 50,000 IU not help (COPD) if very deficient – Oct 2015 16 Oct, 2015
Preeclampsia reduced by Vitamin D (50,000 IU bi-weekly) and Calcium – Oct 2015 15 Oct, 2015
Vitamin D is very important during pregnancy – 4,000 daily or 50,000 weekly - review Jan 2015 02 Oct, 2015
Hives treatment augmented by 60,000 IU Vitamin D weekly – RCT June 2015 22 Aug, 2015
No multiple sclerosis relapses during pregnancy if 50,000 IU of Vitamin D weekly – RCT April 2015 21 Jun, 2015
Near the end of pregnancy 50,000 IU vitamin D weekly was great – RCT April 2013 08 Jun, 2015
Pregnant mothers in Quatar needed more than weekly 50,000 IU Vitamin D – Nov 2013 28 Mar, 2015
Peripheral Neuropathy in type II Diabetes reduced a bit by 50,000 IU weekly of vitamin D – RCT Feb 2015 28 Mar, 2015
Fibromyalgia pain with trazodone reduced by 50 percent with weekly 50,000 IU of vitamin D – RCT Nov 2014 22 Nov, 2014
Diabetes treated by 50,000 IU of vitamin D weekly with 1 g Calcium daily – RCT July 2014 14 Sep, 2014
Vitamin D levels of seniors restored with 50,000 IU weekly for 8 weeks – April 2014 01 Sep, 2014
70 percent of some skin problems resolved with 7100 IU vitamin D (50000 weekly) – Jan 2011 13 Aug, 2014
Asthma reduced by weekly 50,000 IU of vitamin D – RCT Aug 2014 03 Aug, 2014
Optic neuritis progession into Multiple Sclerosis reduced 68 percent by 50,000 IU of vitamin D weekly 08 May, 2014
COPD helped by weekly 50,000 IU Vitamin D – Aug 2013 03 May, 2014
Blood pressure in diabetics reduced by 12 weekly doses of 50,000 IU vitamin D – RCT Jan 2014 10 Apr, 2014
7100 IU vitamin D (50,000 weekly) significantly reduced fibromyalgia – 2009 20 Jan, 2014
Need to adjust cofactors if take 50,000 IU of vitamin D weekly – Nov 2013 12 Jan, 2014
50,000 IU vitamin D weekly increased levels by 52 ng normally, but only 28 ng if obese – Oct 2013 13 Nov, 2013
60,000 IU vitamin D weekly for 3 months lasts for another 3 months - April 2013 14 Jul, 2013
Insulin resistance helped with 50000 IU of vitamin D weekly – Feb 2013 11 Mar, 2013
Vitamin D deficiency somewhat treated with weekly 50000 IU Vitamin D2 – Sept 2012 10 Mar, 2013
Esophageal cancer clinical trial to see if 50000 IU vitamin D weekly well help – Oct 2010 10 Nov, 2012
50000 IU vitamin D2 weekly helped blacks with heart problems – Feb 2011 10 Nov, 2012
Dark skinned obese not helped much by weekly 50000 IU dose of vitamin D – May 2011 23 Dec, 2011
Fibromalgia reduced with 50,000 IU weekly vitamin D2 – Sept 2011 14 Dec, 2011
50,000 IU vitamin D suggested to prevent osteoporosis (weekly then monthly)– April 2019 No value for 'modification_date_major'

7+ VitaminDWiki pages have 50,000 or 60,000 IU with DAILY dosing

  1. Long-term Psoriasis cured by 30,000 to 60,000 IU of Vitamin D daily (pictures and video) – early 2022
  2. Vitamin D reduced COVID-19 inflammation (60,000 IU daily for 8 days) - RCT Feb 2021
  3. Asthma treated by daily 50,000 IU of Vitamin D – April 2018
  4. Pancreatic Cancer stabilized by a woman taking 50,000 IU of vitamin D daily - 2016
  5. 50,000 IU of dry vitamin D needed at least daily following obesity surgery – forum Jan 2016
  6. Vitamin D toxicity after 50,000 IU daily for 2 years (no surprise) – April 2015
  7. 50000 IU vitamin D daily toxic after 3 months – Oct 2011


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