World's Best Litter Health Check In Litter Booster

Know your cat’s business the second they do theirs! Sprinkle Health Check-In Boosters litter additive onto your litter and instantly get an indication of your cat’s health. The easy-to-read health monitoring formula shows results for 48 hours and turns granules a distinct blue when blood is detected and stays white when your cat is healthy. Vet-approved and clinically tested, meet the safe and reliable way to monitor your feline friend’s health- with no stress to your cat!

World's Best Litter has a simple goal- be the best litter they can be! They innovate to keep the litter box as easy to scoop and stink-free as possible- and they donate litter to shelter cats. How great is that?