For many people, royal jelly sounds mysterious, almost mystical. This is because the information available about this valuable bee substance is mainly based on experience and observations of its use. However, the positive effect of royal jelly on our health can certainly be explained and proven using scientific methods. This book presents the existing studies on the health-promoting effects of royal jelly and thus provides an overview of the current state of research on this fascinating bee elixir. The author also discusses the approach of nutriepigenetics, which can be demonstrated by the phenomenon of royal jelly and provides exciting evidence that our diet plays a very important role in the development, or rather non-development, of diseases. This Books is an important contribution to a better understanding of the phenomenon of royal jelly in all its complexity and to a more targeted use of this health elixir of the queens, which is already used by numerous people all over the world as a source of vitality and for the prevention and treatment of many diseases, in naturopathic therapy.