how old do you have to be to vape Definitive Guide The FDA may approve certain vape flavors to help adults switching away from tobacco cigarettes. However, this can be health threat among young people. Tap the link in our bio to submit Did you know that the legal age to purchase and use vaping products in the United States is 21 years of age? For more information about youth nicotine use visit https: med.stanford.edu halpern felsher reach lab parent corner.html A 'historic victory,' say experts, as US raises age to buy tobacco, vaping products to 21 nationwide Fred Hutch AAP: Raise Tobacco, E cig Age to 21 RT