Ingredients by brand
What's in Summit repellents?
All 2 Summit products we've scored rely on Bti (Bacillus thuringiensis israelensis) as the active ingredient.
By the Notch Wellness team · Updated July 22, 2026 · Reviewed against our scoring methodology
We make Notch, so we're not a neutral third party. Ingredients and concentrations come from each product's label; scores come from our published methodology.
Active ingredients in Summit products
Bti (Bacillus thuringiensis israelensis)
In 2 of 2 products
Bti is a naturally occurring soil bacterium, Bacillus thuringiensis subspecies israelensis, used as a biological larvicide in mosquito dunks, bits, briquets, and pond treatments. It is not a personal repellent and is…
Every Summitproduct we've scored
Open a product for its full ingredient list, protection time and review.
| Product | Active ingredient | Mosquito protection | Our score |
|---|---|---|---|
| Summit Mosquito BitsLarvicide | Bti (Bacillus thuringiensis israelensis) | — | 76 |
| Summit Mosquito DunksLarvicide | Bti (Bacillus thuringiensis israelensis) | — | 79 |