Royal jelly, propolis and pollen are popular health supplements being rich in essential nutrients to boost the immune system. This book is a compact and useful guide Propolis: has been found to contain resins, balsams, beeswax, essential oils and pollen. The most active part of the resins are bioflavonoids, which are able to control micro-organisms and help to stimulate the immune system. This supplement is enormously popular and the book describes...