Herbal tinctures are made by extracting the herbal constituents of a plant in a mixture of water and alcohol. Latin name - Apium graveolens.

Avoid During Pregnancy
Herbs taken in theraputic dosages should be checked for safety and use during pregnancy and breast feeding in consultation with a qualified herbal practitioner. This herb should not be used internally during pregnancy unless prescribed by a qualified medical herbalist trained in the appropriate use of these substances. 

Caution:
Caution with kidney disorders, especially inflammation of the kidneys.