... , astriction, polypi, bilestone etc.Nature Bee propolis Extract Paste, with Propolis Content 98%, Flavonoid 15%, antibiotics free. ... Heavy metal qualified Bee Propolis Powder, No other additive, Good fluidness, with Propolis Content: 60%,70%,80% ... Flavonoid 9%,12%, 15%antiboitics meet EU, Japan, American Standard. Product Picture:Our Factory:COA: 100% natural ...