FDA Registered and Bottled. Dakota Muscle Relief is an herbal spray for the temporary relief of muscles and joints associated with simple backache, arthritis, strains, bruises and sprains. May also be used for chest congestion, menstrual cramps and insect bites. Dakota Muscle Relief is not greasy and leaves a soothing aroma. Emu oil softens your skin leaving a silky smooth feeling. The large 8 oz. bottle may be shared by all your family members and will last a long time.