Bee propolis

Propolis is a natural anticoagulant and may interact when taken in combination with thrombosis or blood cloths preventing, blood thinning anticoagulant drugs such as Warfarin (also known as Coumadin, Jantoven, Marevan, and Waran), Acenocoumarol, Phenprocoumon (branded as Marcoumar, Marcumar and Falithrom), Heparin, Phenindione, Dicumarol, Dicoumarol, Lipo-Hepin, Liquaemin, and herbs coumarin and licorice.
There have also been [...]

While Bee Propolis showed to be very effective in the treatment of infertility associated with mild endometriosis, caution should be exercised during time of pregnancy and breast-feeding. It is advised to avoid Bee Products - Honey, Bee Pollen and Royal Jelly - during pregnancy.
The effects of Propolis during pregnancy and breast-feeding have not been sufficiently [...]