Grass seed litter clumps better than corn-based alternatives, produces zero dust, and doesn't track like clay. Reddit users who've made the switch consistently say they won't go back.
If you like World's Best, try grass seed litter! Just as lightweight, it much better clumping, and zero dust. Not a food crop, and does not grow fungus that can excrete aflatoxins.
Good brands for grass seed litters are: Pioneer Smart Cat, Frisco Grass Seed (Chewy), SoPhresh Grass Seed (PetCo), ExquisiCat Naturals Grass Seed, etc. I usually shop around for best prices at the time, all these brands seem comparable in quality.
Corn-based clumping litter that's biodegradable, nearly dust-free, and has odor control strong enough that guests won't know the box is there. Reddit cat owners swear by it repeatedly across multiple threads.
Pine pellets are the cheapest natural litter option, produce no dust, and neutralize odors with a fresh wood scent for 4-5 weeks. Buying horse-grade pine bedding from Tractor Supply ($7-8/40 lbs) makes it even more affordable.
Made from soybean byproducts, tofu litter clumps firmly, is nearly odorless, flushable, and produces zero dust. Reddit users who've switched report their homes smell like nothing at all.
Walnut shell litter is biodegradable, lightweight, and has a texture similar to clay that most cats accept easily. It's one of the few natural litters that clumps well enough for automatic litter boxes.