Royal jelly (RJ) is a natural product which the honeybee secretes as a special diet for a queen bee. It is one of the natural products in which various functionalities. such as antibacterial effects. immunomodulating properties. https://www.bekindtopets.com/hot-offer-Stuart-Product-Emcelle-Tocopherol-Vitamin-E-Liquid-1-Liter-hot-value/