Worlds best litter reviews
The 5 best natural cat litters in 2025, tested and reviewed
Updated
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Most cats prefer fine-grained, unscented clumping litter, which is typical of good clay formulas. But the best natural cat litters can be a good alternative. While clay litter often creates dust that can irritate both cats and people, natural litters are nearly dust-free. They're also more eco-friendly since they're biodegradable and usually sourced more sustainably than clay or silica gel. On top of that, natural litters do a good job of absorbing urine and controlling odors, thanks to their fibrous composition and natural scents.
To choose the best natural cat litter, freelance pets reporter Shoshi Parks and I consulted veterinarians and cat behaviorists. Over the course of four years, we collectively tested 18 different formulas made from corn, wood, grass, wheat, walnut, tofu, and more. Our top pick is Sustainably Yours Small-Grain Formula, a corn and cassava blend with a so
Comfort Care™ Unscented
Gentle on paws & planet.
Our Comfort Care™ formula is a naturally safe and sustainable tight-clumping litter with a mushy texture that’s gentle on those precious paws and flushable* for easy cleanup. And because it’s made from whole-kernel corn, our Comfort Care™ formula lasts 2X longer than the leading U.S. brand. No harmful chemicals, no artificial perfumes, and no clay dust. That’s the power of corn.
Available in 8, 15, 28 and 32 lb bags.
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How We make world’s Best Cat Litter®
1. Grow
Renewable corn is sourced from Midwest farmlands.
2. Harvest
Harvested and processed into super-absorbent granules.
3. Happy Cat
Made with kindness for you, your cat, and the planet.
Quick Clumping & Easy Scooping
Pet-, People-, & Planet-Friendly
Flushable* & Septic-safe
Lasts 2X Longer†
So you replace
less often.
8 LBS
| One Cat | 38+ Days |
| Two Cats | 19+ Days |
| Three Cats | 12+ Days |
15 LBS
| Two Cats | 36+ Days |
| Three Cats | 24+ Days |
| Four Cats | 18+ Days |
28 LBS
| Two Cats | 67+ Days |
| Three Cats | 45+ DaWorld’s Best Cat Litter ReviewWith 5 cats and the amount of cat litter I go through each week, the cost of it kept me buying cheap clumping litter to stay within the budget. When it comes to shopping I try to strike a balance between affordable and value and in the case of cat litter affordable won out. I didn’t take the time to look at value until I received a bag of World’s Best Cat Litter to try from the company. PetFaves may earn a commission from qualifying purchases made through the links in this post. Getting To Know World’s Best Cat LitterWorld’s Best Cat Litter (WBCL) is made from corn so it is biodegradable, great if you are looking for an eco-friendly kitty litter. It’s flushable and safe to use with the septic system. It has several formulations:
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