- Traditionally used for thousands of years - Protects beehives from bacterial infection - Extract of propolis in a convenient tablet - Popular food supplement Found in beehives, propolis is a naturally occurring sticky, resinous substance produced by bees that helps to defend the hive against bacteria and fungal infection. It has been used traditionally for thousands of years. Lindens Propolis 1000mg Tablets contain an extract of propolis equivalent to 1000mg raw propolis. The concentrated extract is contained within an easy swallow tablet for ease of use and maximum convenience, for an easy way to work Propolis into your daily routine.