Renagel is a prescription medication used for people undergoing kidney dialysis to lower high blood phosphorus level. Renagel uses are forhyperphosphatemiatreatment only to reduce risks during kidney dialysis, and the active ingredient Sevelamer phosphate-binds to prevent the body absorbing it and reducing the risk of weakened bone strength and structure (renal osteodystrophy). It is most commonly prescribed as an ESRD treatment drug for people who have end stage renal disease and are receiving dialysis. You can buy Renagel 800 with a doctor’s prescription, and Renagel generic may be a more affordable option for it when you order drugs online from Canada.