To get the best results, you will need to increase the stimulation of the breasts while taking ginger or any other herb. (verywellfamily.com)
These cats can benefit by increasing stimulation in the home, or by letting them outdoors in a safe manner to give them something to do during the day. (allfelinehospital.com)
To further increase the stimulation, hide them around the house so even more hunting is involved. (todaysveterinarynurse.com)