By taking part in the Joint Juice® drink mix convenience offer you receive 10% off your first 30 supply of Joint Juice® drink mix. Then every month you receive a 30 day supply of Joint Juice® drink mix shipped directly to you. Every month you will be charged $19.79 plus $6.95 S&H per shipment. Your next shipment will arrive in about 30 days, so you won't run out. You can cancel these regular shipments at any time by calling 888-646-2457.