Triton and Vapetasia filed FDA applications in 2020 for products with flavors including sour grape, pink lemonade and crème brulee, and names including "Jimmy The Juice Man Peachy Strawberry" and "Suicide Bunny Mother's Milk and Cookies" - offerings that critics have said were designed to appeal to minors.

The Supreme Court on Monday pressed the Food and Drug Administration on whether it followed the law in its effort to keep flavored e-cigarettes off shelves, weighing a lawsuit from a multibillion-dollar industry that has come under scrutiny because its products are popular with school-aged children.

With e-cigarettes and flavored vapes booming in popularity, the U.S. Supreme Court on Monday will examine whether the Food and Drug Administration unlawfully blocked the marketing and sale of more than a million new sweet and candy-flavored nicotine products in recent years.