HAI Potentiated GlycoMarine Extract AdvaJoint contains GlycoMarine (a proprietary green-lipped mussel extract) potentiated with HAI for accelerated joint benefit. HAI is a patented amino acid complex from Japanese seaweed shown to enhance the absorption of nutrients as by as much as 50%. Combined, these ingredients are backed by 30 years of clinical research. AdvaJoint is safe and effective. For additional benefit, take with AdvaCal advanced calcium. While AdvaJoint soothes joints and promotes mobility, research suggests that AdvaCal helps protect joint cartilage.