Propolis Extract is a natural immune-supporting substance gathered from trees by honey bees and used to protect the hive against infections.

Comvita Propolis Extract Extract is sourced from New Zealand's clean, green environment and contains Propolis Flavonoid Levels of at least 15mg/g (PLF 15) as certified by an independent governement laboratory.

The antioxidant effects of flavonoids have been shown to be beneficial in maintaining a healthy immune system.