Those with higher vitamin D levels tend to have lower rates of obesity, diabetes, and hypertension. But is it cause and effect? Interventional trials finally put vitamin D to the test.
Vitamin D3—sourced from sunlight exposure, animal, and plant sources—may be preferable to vitamin D2 sourced from fungi.
4,000 IU of vitamin D a day is recommended for elders at high risk for falling to improve muscle strength and balance, though there is something that works even better.
What do 56 randomized clinical trials involving nearly 100,000 people between the ages of 18 and 107 show vitamin D can do to our lifespan?
If studies from the 1970s showed cancer patients treated with vitamin C lived 4 times longer and sometimes even 20 times longer, why isn’t it standard practice today?
Sun exposure is associated with lower rates of 15 different cancers and improved cancer survival. What happened when vitamin D supplements were put to the test?
Vitamin D supplements are put to the test for fibromyalgia.
The safe dose of vitamin D supplementation to get most of the population to the optimal level is 2,000 IU a day, but the elderly and overweight may need more.
We don’t have to choose between the lesser of two evils: skin cancer versus internal cancers from vitamin D deficiency.
Daily supplementation with 1000mg of vitamin C was put to the test to see if it could improve male fertility and lower lead levels.
Why do some recommend thousands of units of supplemental vitamin D when the Institute of Medicine set the recommended daily intake at just 600 to 800 units?
Vitamin D supplements are put to the test in childhood asthma.
Vitamin D supplements were put to the test for Crohn’s disease.
If one is going to make an evolutionary argument for what a “natural” vitamin D level may be, how about getting vitamin D in the way nature intended: sun instead of supplements?
What can we conclude about the role of IV vitamin C after 33 years of trials involving at least 1,600 patients?
What is the optimal daily dietary calcium intake and might benefits for your bones outweigh the risks to your heart from taking calcium supplements?