Product Description: Have you ever wondered which herbs are good sources of Iron, Chromium, Selenium or Calcium? Well, this book is for you. Mark Pedersen's Nutritional Herbology is a one-of-a-kind resource book giving you a comprehensive summary of what nutrients are in herbal supplements and how they work! You will find detailed nutritional analysis for hundreds of herbs, including Chinese constitutional combinations...read more (view table of contents, read Amazon.com's description)