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- at least three samples of each product were analyzed for their level of vitamin D3
- Average vitamin D3 levels ranged from 105 % to 141 % of the labeled amount
See also VitaminDWiki
- Most vitamin D bought over-the-counter meet requirements – Feb 2013
- How vitamin D3 is made from wool Vitamin D3 for Vegans - many studies
- Alternatives if not swallow pills or not absorb vitamin D
- 30 percent of vitamin D sold now has more than 2000 IU - Dec 2012
- RCT confirms that Australians need at least 2000 IU vitamin D – Dec 2012
- 2000 IU raised vitamin D levels of thin teens by 10 ng, obese teens by 6 ng – Oct 2012
- Vitamin D repletion = 2000 IU daily for adults and 5000 IU daily for seniors May 2010
- People with no UV for 6 months in the winter need at least 2000 IU of vitamin D – April 2011
- Consumer reports does not understand that RDA is not the Upper Limit for vitamin D – Sept 2012
- Vitamin D prices - March 2014
- Low Cost vitamin D - including liquid and bulk
lowest cost capsule has 50,000 IU for just 21 cents, which would be < $2/year (if have average of 1,000 IU per day) - How often might 50,000 IU vitamin D be taken - results of clinical trials which has the following table as of March 2013
The fewer days between capsules, the fewer your health problems
| Days between capsules | Health Problem | Prevent Treat | Reduction | Notes (RCT = Random Controlled Trial) | Proof #* |
| 2 | Traumatic Brain Injury | T | 2X | RCT, 20,0000 IU/day | 24 |
| 2 | Raynaud's Syndrome | T | 40 % | RCT, visual scale | 10 |
| 3 | Statin-induced Myalgias | T | |||
| 3 | Sickle Cell | T | Less pain | RCT up to 100,000 IU/week | 22 |
| 5 | MS | T | ongoing Clinical Trial | ||
| 5 | Treated MS | ||||
| 5 | Parkinson's Disease | T | ongoing Clinical Trial | ||
| 7 | Leg ulcer healing | T | 4X faster | RCT, small study | 23 |
| 7 | Menstrual pain | P | 76 % | RCT, 7000 IU avg | 11 |
| 7 | Statin pain | T | 100 % | ||
| 7 | Skin problems resolved | T | 70 % | ||
| 7 | Fibromyalgia Significantly reduced | T | |||
| 9 | Chronic kidney disease | T | 50 % | of the people, (no dialysis) | |
| 12 | Diabetes T2 | T | 62 % | RCT, CRP reduction, 4000 IU | 4 |
| 12 | Pregnancy risks | P | 50 % | RCT, 4000 IU | 12 |
| 12 | C-section, unplanned | P | 50 % | RCT, 4000 IU, small study | 13 |
| 12 | Respiratory Tract Infection | P | 63 % | RCT 4000 IU 1 year | 20 |
| 15 | Lupus | T | No flares | Load then 100,000/month | 21 |
| 21 | Hypertension | T | 149 to 142 | RCT, mm Hg avg., 2400 IU | 1 |
| 25 | Influenza | P | 90 % | RCT, 2000 IU | 6 |
| 45 | Breast Cancer | P | 60 % | RCT 1100 IU | 16 |
| 50 | Cardiovascular | T | 32 % | Death after heart failure | 2 |
* Proof # Vitamin D Proof: Random controlled Trials
Many Vitamin D capsules are as small as a pea
Note that 1000 IU dose analyzed by Consumer Reports is perhaps the smallest adult dose made in the US
See also: Consumer Labs reviews - including vitamin D3
Consumerlabs Supplement Survey – Highlights Feb 2013
I have been subscribing for many years @ $33/year
Henry Lahore, admin of VitaminDWiki