NATURAL PRODUCT: Propolis is a natural resinous substance collected by bees from the buds and twigs of trees. It is rich in flavonoids, which by themselves may account for many of the benefits attributed to propolis. PREVENTS DENTAL CAVITIES: Greek and Roman physicians used propolis as mouth disinfectant. studies show that propolis may even help regenerate dental pulp, as well as bone tissue, and cartilage. MAY HELP TO PREVENTS COMMON COLD AND SORE THROATS: Scientific studies have shown that propolis extracts may naturally prevent as well as shorten the duration of the common cold, which can often include a dreaded sore throat. [amazon-grid asin="B01GPACBE6, B073TZFH2V, B073V12NP3" columns="1"]