The powerful benefits Reno-Coll Collagen provides, can support your diet equally as well. Reno-Coll provides greater, faster absorption (critical as nutrients are quickly discarded during the dialysis process), pure high quality Collagen (no fillers, protein rich in essential amino acids to nourish the diet), and transparent labeling to support healthcare practitioner/dietician guidance (low in sodium, phosphorus, and Potassium).