Impossible Foods, known for its plant-based meat substitutes, is looking to bring its products to U.S. grocery store shelves by September after approval for its key color ingredient by the Food and Drug Administration (FDA).

Impossible Foods is famous for its plant-based Impossible Burger patty, which was introduced at some Burger King restaurants earlier this year. The fast-food chain called the burger the "Impossible Whopper."

FDA approval means that the company can sell its products outside of restaurants. The company's products are already sold at more than 10,000 locations around the world.

"We've been engaging with the FDA for more than half a decade to ensure we are completely reliant on all food-safety regulations – for the Impossible Burger and for future products and sales channels," Impossible Foods chief legal officer Dana Wagner said.

The company recently signed a deal with the meat processing company OSI group to increase the availability of its products, as it is struggling to meet demand. The company said it was running out of its patties in April.

OSI has 65 facilities in 17 countries and will help produce the company's products globally.

Impossible Foods' main competitor, Beyond Meat, already sells its products in grocery stores.

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