toxicity

vitamin

The Double-Edged Sword of Vitamins: Deficiency, Functional Insufficiency, Therapeutic Dosing, and Toxicity

CHAPTER Yoon Hang Kim, MD, MPH Board-Certified in Preventive Medicine Integrative & Functional Medicine University of Arizona Osher Fellow | UCLA Medical Acupuncture | IFM Scholar “The dose makes the poison.” — Paracelsus (1493–1541) Abstract Vitamins are among the most widely consumed supplements in the world, yet the cultural assumption that

Vitamin D

When Vitamin D Sends You to the Hospital: Real Published Cases of Hypervitaminosis D — and What They Should Teach Us

Yoon Hang Kim, MD, MPH • www.directintegrativecare.com Vitamin D is one of the most studied, most prescribed, and most self-administered nutrients of the last two decades, and for good reason. Adequate vitamin D status supports bone integrity, immune regulation, cardiovascular function, insulin sensitivity, and numerous processes that touch