Many species of honeysuckle are poisonous so be careful. Japanese honeysuckle will have both white and yellow flowers. It is good for lowering blood pressure and healing the heart and blood vessels. It has relaxant qualities. It has anti inflammatory effects. The whole plant can be used.
Has been shown to be effective against respiratory tract infection.
Has been shown to be neuroprotective.
It inhibits histamines.
Scavenges Nitric Oxide so would be good for the heart.
Appears to have no toxicity.