PuraVet Pet Health Science’s PuraVet Complete Canine Care and Complete Feline Care pre-mixes take the guesswork out of raw and cooked homemade diets. The pre-mix supplement powders are formulated to ensure a complete and balanced diet. They maintain long-term health with a proper balance of vitamins and minerals; promote gut and brain health with amino acids, prebiotics and probiotics; and strengthen core body systems with folic acid, calcium and thiamine, the company reports. The products are also designed to support a healthy immune system with vitamins A, D and E.