Glucosamine Joint + Patches have been specially formulated by Zipvit to provide immediate, deep penetrating, cooling support to aching joints and muscles. Designed for direct application to the skin, our formula combines six active essential oils with glucosamine. ThThe cooling menthol and soluble glucosamine provide short and long term benefifit. Relaxing aromatherapy oils of menthol, orange, lavender, eucolyptus, fennel and clove are released when the patch is applied.