Do you know exactly what ingredients get packed into a meal kit? A complaint filed with the Electronic Retailing Self-Regulation Program alleges that the popular San Francisco–based meal kit service Sun Basket markets its meals as organic even though they include nonorganic ingredients.

The complaint, filed by an anonymous challenger in mid-2017, alleges that Sun Basket — the third largest online meal kit company — makes inaccurate claims about its products. At the time, Sun Basket’s website prominently displayed the USDA Organic logo with a description that read, “Organic and non-GMO ingredients & delicious recipes delivered weekly.”

Yet none of the meat, despite being antibiotic and hormone-free, was organic. And some of Sun Basket’s produce and other ingredients weren’t organic either.

The challenger said the implication of the company’s branding was “that all of Sun Basket’s meal kits and all individual meals/ingredients included within them are organic.” But after analyzing five meal meal kit orders, they found “the total organic ingredients by net weight to be 35% on average.”

“All organic ingredients are clearly labeled upon delivery,” the company said on its website. But if an ingredient is not labeled organic when you get a Sun Basket meal kit, don’t assume that it’s organic.

Organic food has become a big draw for consumers: Sales of organic products grew by 8.4% in 2016, according to the Organic Trade Association. Organic…