Michael F. Holick

About the Author

Michael F. Holick, MD, PhD, is a renowned endocrinologist and professor of medicine, physiology, and biophysics at Boston University Medical Center, where he directs the Vitamin D Research Laboratory. A pioneer in vitamin D research for over four decades, Dr. Holick has authored more than 500 peer-reviewed articles and several influential books, establishing himself as a leading authority on the hormone's critical role in human health. His groundbreaking work has illuminated how vitamin D deficiency contributes to widespread conditions like osteoporosis, autoimmune diseases, and certain cancers, advocating for simple, evidence-based strategies to optimize levels through sunlight, diet, and supplementation. Through his accessible writing, Dr. Holick empowers readers to take proactive steps toward preventing chronic illnesses and enhancing overall well-being.