As long as the sun isn't shining, most people in good shape continue to take supplements - including vitamin D, up to about 75 IU * kg body weight. Most people in poor health are unaware of this. Discover our special report on Vitamin D hereand our vitamin D converter from micrograms (μg) to international units (IU) here.
New course on Blooness: Lose weight and live longer with fish and shellfish. Find it on the website’s homepage.