The same amazing minerals found in the Sport Formula Bath and hot tub soak, concentrated and enhanced with extra Magnesium. Created from hot springs spread from Yellowstone south through Central and South America. These springs were known as "Warrior Pools" Where the warriors of the Native Americans, Maya, Inca, and Aztec used to travel after battle to speed up recovery, help with sore muscles and joints and to promote healing. This is perfect to spray on affected areas, rub in and go. 8oz.