An authoritative Cochrane review based on a meta-analysis of randomized, double blind, placebo controlled studies sup****ts the use of hawthorn (/Crataegus/) extract in heart failure: http://tinyurl.com/2s7sg2 Free full text PDF is downloadable here: http://www3.interscience.wiley.com/cgi-bin/mrwhome/106568753/CD005312.pdf -- Juhana Ravintoblogini: http://ruohikolla.blogspot.com/