Supplement to balance the dog and cat renal recipes in "Home-made Renal Recipes" by Hilary Watson. Contains 24 essential vitamins and minerals, plus methionine and tryptophan (the 2 amino acids most likely to be limiting in low protein recipes) plus taurine. No added phosphorus. B-vitamins adjusted for renal disease. Potassium citrate to help prevent metabolic acidosis. 100% fit for human consumption. Hypoallergenic, no additives or preservatives.