Vitamins and essential minerals
This page summaries the evidence for specific elements of food and nutrition which are essential for our health. It includes the recommended daily amounts and normal blood ranges. It describes why vitamins and essential minerals are necessary for certainly biological processes within the body and how deficiencies (or excess in some cases) can cause medical conditions or increase the risk of chronic illnesses. Within each section it reviews the up-to-date scientific studies evaluating supplementation. Finally it lists the most important food sources for each vitamin and essential mineral.