**Royal Jelly: Benefits, Reviews, Warnings?** Royal jelly comes as a gel-like substance that is why it is also called "royal jelly." Its color is yellowish-white to pearly, astringent and sour taste in the mouth, similar to yogurt, but also slightly sweet. The odor of ... Numerous research continues to investigate the use of royal jelly in cardiology, gastroenterology, gynecology and urology, neuro-psychiatric, dermatological, ophthalmic, dental, pediatric, gerontological.