Vitamin D and the food. Symptoms of Low Vitamin D and How to Boost Your Levels

📚 References

  1. National Institutes of Health (NIH) – Office of Dietary Supplements Vitamin D Fact Sheet
  2. Cleveland Clinic Signs You May Have a Vitamin D Deficiency
  3. Harvard T.H. Chan School of Public Health Vitamin D and Health
  4. Endocrine Society Clinical Practice Guidelines Journal of Clinical Endocrinology & Metabolism, 96(7):1911–1930