watch now Digital Original There's a growing push to restrict Americans' use of federal food aid, commonly known as SNAP benefits, to buy certain processed or sugary products. That's creating a challenge for some of the biggest U.S. food and beverage companies, like Hershey and Kraft Heinz, as well as grocers like Kroger and Walmart. CNBC's Brandon Gomez breaks down where the "Make America Healthy Again," or MAHA, movement is getting codified into U.S. law and what it means for Americans.