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Can Vitamin D Supplements Help Manage Rheumatoid Arthritis Symptoms?
PubMed reports that a 90-day course of vitamin D and calcium supplementation in patients with active rheumatoid arthritis was associated with…
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Vitamin D Science
Explore peer-reviewed data, policy briefs, and clinical trials categorized by key themes in micronutrient science and public health.
Vitamin D Science
Does magnesium deficiency block your vitamin D?
Here is the nutritional industry's favorite script: take 5,000 IU of cholecalciferol, watch serum 25-hydroxyvitamin D climb, mission accomplished…
Vitamin D Science
Calcium absorption kinetics: which pathway suits your patient?
When vitamin D status is poor, the intestine may absorb only 10–15% of the calcium presented in food. Across more typical conditions, free-living…
Vitamin D Science
Cholecalciferol bioavailability: errors that waste study time
A cholecalciferol bioavailability trial can fail before the first dose is administered. The most common failure is not poor capsule manufacture or…
Vitamin D Science
Vitamin D receptor saturation: do mega-doses work?
Walk into any pharmacy and you will find the same pitch on the shelf: a single 50,000 IU or even 100,000 IU vitamin D capsule marketed as a…
Vitamin D Science
Vitamin D pathways: which absorption route suits you?
Vitamin D deficiency is often treated as if the main question were simply how many international units a person receives. That approach overlooks the…