Study	Reason for exclusion
Blohmer 2007	The active intervention was a combination formulation (black cohosh and St. John's Wort)
Chung 2007	The active intervention was a combination formulation (black cohosh and St. John's Wort)
Liske 2002	The trial was a dose comparison study; hence, the comparator group was inappropriate
Myoung 2008	The active intervention was a combination formulation (black cohosh and St. John's Wort)
Park 2006	The active intervention was a combination formulation (black cohosh and St. John's Wort)
Rotem 2007	The active intervention was a combination formulation (black cohosh, dong quai, milk thistle, red clover, American ginseng and chaste‐tree berry)
Sammartino 2006	The active intervention was a combination formulation (black cohosh, isoflavones and lignans)
Uebelhack 2006	The active intervention was a combination formulation (black cohosh and St. John's Wort)
Verhoeven 2005	The active intervention was a combination formulation (black cohosh and Soy isoflavones)