Embova RX Another type of IV natural therapy can actually remove plaque that has built up inside artery walls. This is called PlaqueX therapy. Phospholipids, which are the primary building block of membranes that surround cells, is infused to the bloodstream with an IV drip. As a body gets older, the amount of phospholipids produced by the body dwindles, and that can cause all sorts of ill symptoms, including plaque in arteries. Thus replacing these important constituents is crucial in maintaining health as youth fades.