Propolis is the resin of bees, extracted from plants to coat and protect the hive, there are studies that have demonstrated its benefits especially as an anticarcinogenic.

Properties:

• It is antibacterial, antiviral, immunostimulant, anti-inflammatory, healing, and mildly analgesic.
• Helps fight flu-like conditions, prevent tooth decay, regulate blood pressure, prevent parasites, treat burns and skin wounds, and improve your circulatory system.
• Throat and mouth: in angina, pharyngitis, laryngitis, canker sores.

Propolis Nutritional Information:

Propolis is composed of resins, waxes, flavonoids, mineral salts, essential oil, and hundreds of compounds, many of which have not been studied.

Precautions for use of propolis:

Propolis is not recommended in cases of allergic bronchial asthma as it may aggravate the symptoms.

Reference source:  http://www.supernatural.cl/propoleo-propiedades-beneficios.asp