Royal jelly (RJ) has been known for centuries. but in the last 5-6 decades its systematic production and consumption has increased. RJ is secreted by the hypopharyngeal and mandibular glands of worker honeybees (Apis mellifera). This thick and milky substance contains water. https://www.countryscenesaddleryandpetsuppliers.shop/product-category/fender-hobbles/