Yes, 10,000 i.u’s of vitamin D is safe. Did you know that if you stood in direct sunlight when the sun is at its highest meridian, within 20 to 30 minutes, your skin can (depending on your skin colour) produce…

Dr. Greg Piazza, NATF’s Education Chair and Associate Professor of Medicine at Harvard Medical School is here to answer patients’ most frequently asked questions about COVID-19 and clots.