Vitamin D taken daily (4,000 IU) vs weekly (50,000 IU) – RCT 2019

• One pill every two weeks gives you all the vitamin D most adults need
• Take vitamin D3 daily, weekly, or bi-weekly
• Vitamin D – monthly dosing was better than daily with Calcium – RCT Dec 2015
• Vitamin D daily or weekly dosing resulted in similar response -RCT Jan 2016
• Vitamin D – 91 percent safely got above 30 ng in 2 months with weekly 30,000 IU – Aug 2017

• Monthly 60,000 IU of Vitamin D did not reduce mortality (too infrequent)- Feb 2022monthly) will reduce mortality – results due 2024
• Probably Fractures of the Tibia can be healed with 100,000 IU of vitamin D weekly – RCT 2023
• Severe sepsis may be prevented by 400,000 IU of vitamin D – RCT 2023
• Decalcify Aortic Valve – 3 year trial with 1 mg of Vitamin K and 5,000 IU of Vitamin D – 2021
• Multiple Sclerosis stem cell treatment (HSCT) probably not benefit from 200,000 IU of vitamin D – RCT 2020
• 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
• Critically ill children – randomized clinical trial to give single doses of up to 400,000 IU of vitamin D – 2019

• Each page includes links to similar studies/trials
• The year is shown as 1 year after trial starts, note sometimes publication does not occur until 4 years later.
• These clinical trials were selected as being likely to show good results by VitaminDWiki in 2017.
• If an item is of interest. you should consider taking Vitamin D and perhaps other supplements such as Magnesium, Omega-3, and Vitamin K rather than waiting for the results of the clinical trial to be published, or waiting several decades for your doctor to incorporate the results into his practice

See also VitaminDWiki

• Vitamin D home fortification- don't wait 100 years for your govt
• Vitamin D and Rickets consensus took 80 years – how long till consensuses on 30 other health problems – Feb 2016
• A balanced diet is no longer enough – supplements needed - VitaminDWiki Oct 2012
• VITAMIN D: Public Shouldn’t Wait For Doctors To Usher In New “Golden Era” Of Preventive Medicine
• Vitamin D trials underway are unlikely to be useful – Jan 2015 10 reasons, such as too small of dose, too short of time, dose size not vary with weight, . .
• Intervention - Vitamin D category listing has 823 items along with related searches
• Vitamin D intervention -100 active clinical trials as of May 2018
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