Butterbur Standardized Extract and Freeze-Dried Feverfew
References
- Grossman W and Schmidramsl H: An extract of Petasites hybridus is effective in the prophylaxis of migraine. Altern Med Rev 2001; 6(3): 303-10
- Palevitch D,Earon G,Carasso R: Feverfew (Tanacetum parthenium) as a prophylactic treatment for migraine: A double-blind placebo-controlled study. Phytotherapy Res 1997; 11: 508-11
- Johnson E et al: Efficacy of feverfew as prophylactic treatment of migraine. Br Med J 1985; 291: 569-73
- Murphy J et al: Randomized double-blind placebo-controlled trial of feverfew in migraine prevention. Lancet 1988; 8604: 189-92
- Pittler E: The efficacy and safety of feverfew (Tanacetum parthenium): an update of a systematic review. Public Health Nutr 2000; 4A: 509-14
