The Supreme Court backed the FDA's refusal to authorize the sale of kid-friendly flavored vapes, including the flavors "Killer Kustard Blueberry" and "Rainbow Road."

Companies had sued the FDA, saying it unfairly shifted its standards for approving e-cigarette liquids popular with teens. The Supreme Court unanimously backed the agency.

The Supreme Court on Wednesday backed a series of decisions by the US Food and Drug Administration to deny market access for flavored vaping products in a rare win for government regulators that may limit access to those products across the nation,