It is purported to have many actions, including beneficial effects for people with anorexia, fatigue, headaches, failure to thrive in children, inadequate lactation, asthma, and debility from a variety of causes.
Royal jelly is antibacterial in test tube studies.
Animals studies suggest that royal jelly may promote wound healing, stimulate or inhibit various aspects of immune function, and have moderate anti-tumor activity. Guaran was said to treat diarrhea, decrease fatigue, reduce hunger, and to help arthritis. It also has a history of use in treating hangovers from alcohol abuse. Research is showing that it also reduces cholesterol and triglyceride levels, raises HDL, and stimulates the immune system.