They are generally taken as a dietary supplement to support smooth muscle relaxation, stimulate menstrual blood flow, and ease painful menstrual periods. (herbazest.com)
Binding to beta - 2 receptors causes smooth muscle relaxation, especially in the airways, explaining why beta - 2 activators are used as asthma drugs. (newscientist.com)
Their recent study, published in PNAS (3), characterizes the mechanism of action of a smooth muscle myosin inhibitor, CK - 2018571, that induces smooth muscle relaxation and can be used to treat diseases involving smooth muscle hypercontractility, such as asthma and chronic obstructive pulmonary disease. (science.institut-curie.org)