The Summary
Researchers conducted a narrative review of the 2024 Endocrine Society Clinical Practice Guideline on vitamin D. The new guidelines recommend empiric vitamin D supplementation without blood testing for specific groups: children, adults aged 75 and older, pregnant women, and individuals with prediabetes. This recommendation is based on clinical trials showing reduced risks of respiratory infections, mortality, pregnancy complications, and diabetes progression. However, the review notes that the guidelines still leave open questions regarding exact daily dosages, applicability to certain populations, and the future role of routine blood testing.
Why this is interesting
Previously, vitamin D recommendations often relied heavily on blood testing to determine who needed a boost. The new 2024 guidelines shift this approach, suggesting that certain high-risk groups like kids, seniors, pregnant women, and those with prediabetes should simply take vitamin D routinely without needing a blood test first. While this simplifies preventive care, experts note that questions remain about exactly how much to take. If you fall into one of these groups, it might be time to talk to your doctor about starting a daily dose.