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

Avoid During Pregnancy & Breastfeeding
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:
Contraindicated for individuals with known sensitivity to compositae family. In general, herbal sedatives are best avoided in depression. Not for long-term use.