Since its beginnings in the late 1960s, Trader Joe’s has blossomed into a nationwide grocery sensation. With more than 500 stores, this marketplace offers everything from tasty frozen meals and fresh produce to name-brand items you can’t find anywhere else. The food at Trader Joe’s is so popular that it’s earned the chain a cult following among not only hungry shoppers but also dietitians, who swear by certain items for their nutritional value. If you’re a Trader Joe’s shopper looking to eat healthier, here are 13 products nutritionists love.