Intelligent Medicine

Recently, headlines have proclaimed that vitamin D is ineffective, that we shouldn’t bother testing for it, and that most people shouldn’t bother taking it. Pushing back on those assertions is Dr. William Grant, one of the world’s foremost vitamin D researchers with over 60 published studies. His latest paper explains why research on vitamin D is plagued by methodological errors and colored by bias against nutritional supplements that might supplant pharmaceutical drugs. Dr. Grant explains how vitamin D, far from being just a “bone vitamin”, can impact a wide range of conditions ranging from dementia and Alzheimer’s, cardiovascular disease, diabetes, mood disorders, and cancer; studies have shown it improves pregnancy outcomes and extends life; the latest research suggests a benefit for respiratory infections and Covid. We also discuss the important role sunlight exposure plays in vitamin D synthesis, and how wrong-headed health authorities have stigmatized sun exposure to great detriment. What levels are bes