Vitamin D is a fat-soluble vitamin that plays a crucial role in calcium absorption and bone health. It also has important functions in immune function, cell growth, and inflammation reduction.
Adults: 600-800 IU daily.
Strong evidence from multiple high-quality studies.
Methodology
Systematic review of randomized controlled trials
Participants
45000 subjects
Key Outcomes
Vitamin D supplementation improved bone density and reduced fracture risk.
Tang BM, et al. Lancet. 2007;370(9588):657-666.
Search for this study title in Google Scholar to find the full research paper.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Please consult with a healthcare professional before taking any supplements, especially if you have underlying health conditions or are taking medications.