Cramp Relief is a comprehensive herbal and nutrient blend to relieve achy discomfort, pain and cramps that can come like clockwork with menstrual cycles.It features proven herbal remedies like potent cramp bark, to help target muscle and uterine muscle cramps. With sweet fennel and skullcap, to relieve restlessness and nervousness during painful periods. And, vitamin B6 and a blend of muscle supporting magnesium for additional tension relieving benefits, and to act as a sleep aid during times of stress.