Botanical name: Crataegus species
Common name: Hawthorn, quickthorn, Thornapple, May-tree, Whitethorn, Mayflower, Hawberry
Plant part: Berry
Strength: 1:2
Source (Organic or Trade): Trade
Country of Origin: Europe
Weekly Dosage (mL): 15-50mL
Standardised to contain minimum of: 7mg/mL oligomeric procyanidins (OPC's)

Actions: Antioxidant, Astringent, Cardioprotective, Cardiotonic, Hypotensive

Main indication: Cardiovascular conditions, cardiovascular protection

Safety information: None identified.

Drug Interactions: Digoxin & other cardiac glycosides -
Increased inotropic and other cardiovascular activity, possibly requiring dosage reduction
Hypotensive drugs - Increased hypotensive effect possible with large doses of Hawthorn

Article: Cardiovascular benefits of Hawthorn (2011), High doses of Hawthorn in congestive heart failure (2003), Lack of interaction of Hawthorn with digoxin (2003), Hawthorn and congestive heart failure (2001)