It's not enough to fizz with carbonation and taste sweet.
For years, drinks have been infused with promises of electrolytes, caffeine and instant energy. But now, some sodas and other concoctions are offering the opposite of Red Bulls and Four Lokos - they slow things down.
As more sedating sodas enter the market, some beverage makers have taken relaxation to another level by producing sodas laced with marijuana or ingredients to mimic that drug.
"Everyone is looking for some effect somewhere," said Dr. Matthew Seamon, assistant professor in the College of Pharmacy at Nova Southeastern University.
Beverages such as Malava Novocaine, Drank, Unwind, Mary Jane's Relaxing Soda and Slow Cow (sold in Canada) are marketed as helping people unwind.
Read the rest of "Anti-energy drinks: Relaxation in a can""on CNN Health.