Hexane is a byproduct of gasoline manufacturing. It's also earned itself the dubious reputation of being a neurotoxin and air pollutant. Not exactly something you want in your snack of choice.

Despite hexane's obvious dangers to human health, the chemical is regularly used by soybean processors as a solvent. Soaking soybeans in hexane separates the beans' oil from the protein, allowing nutrition bar and other food producers to pump their products full of soy nourishment.

Clif claims to use "all-natural" and "organic" ingredients in its Clif, Luna, Builder's, and Mojo bars. But according to the Cornucopia Institute, the company relies on hexane-extracted soy to make its nutrition bars, putting consumers' health in jeopardy. Sign our petition, and tell the company to live up to its reputation of protecting the health of families, communities, and the planet.