A person drinks Poppi, a prebiotic soda, on Wednesday, April 10, 2024, in New York. A fitness instructor described functional drinks like Poppi as a "guilt free indulgence." (AP Photo/John Minchillo)
Cans of Olipop, a soda containing botanicals, plant fibers, and prebiotics, are shown at a Kroger supermarket, Friday, April 12, 2024, in Marietta, Ga. U.S. sales of prebiotic and probiotic drinks more than tripled last year. (AP Photo/Mike Stewart)
A can of Celsius, a fitness drink that is supposed to accelerate metabolism and burn body fat, is shown on Wednesday, April 10, 2024, in New York. The frenzy of functional beverages – drinks designed to do more than just taste good or hydrate - has grown into a multi-billion-dollar industry. (AP Photo/John Minchillo)
A Remedy Organics plant-based shake with prebiotics, lion's mane, and other ingredients, is shown on Wednesday, April 10, 2024, in New York. The frenzy of functional beverages – drinks designed to do more than just taste good or hydrate - has grown into a multi-billion-dollar industry. (AP Photo/John Minchillo)
Cans of Olipop, a drink containing botanicals, plant fibers, and prebiotics, displayed at a Kroger supermarket, Friday, April 12, 2024, in Marietta, Ga. The frenzy of functional beverages – drinks designed to do more than just taste good or hydrate - has grown into a multi-billion-dollar industry. (AP Photo/Mike Stewart)
A can of Odyssey mushroom elixir is shown, Wednesday, April 10, 2024, in New York. Hundreds of brands of functional beverages - drinks designed to do more than just taste good or hydrate - are vying for consumers’ attention. (AP Photo/John Minchillo)