Lumbrex Joint Pain and Stiffness Relief for Dogs by Gold Standard Herbs, All Natural Angelica Root and Loranthus, 85 gram powder, WhiteBrand: Gold Standard Herbs Color: White Features: Lumbrex supports normal circulation to relieve back, neck and hind leg stiffness, weakness, numbness and spasm As circulation improves, older dogs become stronger within the first several days to weeks, allowing drugs to slowly be discontinued. All natural Organically grown concentrated herbal extract in powdered form. All human grade ingredients grown from seed in FDA inspected and registered