The 6 Best Diatomaceous Earth Powders

This wiki has been updated 28 times since it was first published in October of 2016. Coming from fossilized hard-shelled algae found in bodies of water, these diatomaceous earth powders are commonly used as a natural pesticide and to improve human and pet health. Like all supplements, the purported health benefits have not been evaluated by the FDA, but it is often recommended by naturopathic doctors. Always be careful not to inhale this product, as it will irritate your lungs. When users buy our independently chosen editorial recommendations, we may earn commissions to help fund the Wiki.

1. Diatomaceous Earth Food Grade

Diatomaceous Earth Food Grade (appx. $13) is produced by a company that is focused solely on this one product. Every part of their process is designed to provide the purest powder, such as packaging it using stainless steel equipment to help keep out contaminants.

Screened for impurities
Available in one to 10-pound bags
Bags are made of recycled paper

2. Harris 10-Pound

The versatile Harris 10-Pound (around $25) contains no additives or fillers, making it safe for use as a supplement, but it's price is low enough that you can use the same bag for pest control, as well. The included duster has a six-inch extension nozzle for hard to reach areas.

Trusted additive for animal feed
Great pesticide for organic farming
Some of the profits aid pets in need

3. Safer Brand 51703

Safer Brand 51703 (appx. $10) is lethal for a variety of bugs, while being free of dangerous chemicals. This option is intended for pest control and not as a food additive, so if you have pets or small children in the house, keep them away from it.

Vacuums out of carpets easily
Durable resealable bag
Only works when kept dry

4. Fossil Power Pure

As with many popular drug-free supplements, the possible health benefits of Fossil Power Pure (around $14) have not been proven in any clinical studies, but it is packaged in an FDA compliant facility and safe for animal and human consumption.

Blends well in smoothies
Ideal for natural flea control
Bag is very difficult to reseal

5. St. Gabriel Laboratories Insect Dust

St. Gabriel Laboratories Insect Dust (appx. $13) is extra fine to help quickly dehydrate pests like ants, fleas, ticks, and bedbugs. It's safe to gently rub into your pet's fur for serious infestations, but always take proper precautions, as it irritates the lungs if airborne.

One bag treats 2500 square feet
Suitable for indoor and outdoor use
This formula is not food grade

6. Root Naturally

This high-quality option from Root Naturally (around $11) is sourced from one of four natural freshwater deposits found in the USA. It mixes well in water or juice without clumping, but if you don't like the taste, the powder is so fine it's hardly noticeable when disguised in food.

Listed for organic use
Small family-owned business
Packaging can rip easily

Last updated by Tina Morna Freitas

Tina Morna Freitas is a writer who lives in Chicago with her family and three cats. She has a B.A. in anthropology with a minor in English, and has built a freelance career over the years in writing and digital marketing. Her passions for cooking, decorating and home improvement contribute to her extensive knowledge of all things kitchen and home goods. In addition, her 20 years as a parent inform her expertise in the endless stream of toys and equipment that inevitably takes over the homes of most parents. She also enjoys gardening, making and sipping margaritas, and aspires to be a crazy cat lady once all the children are grown.

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