Is Sierra Mist gluten-free?

Answering the question- “Is Sierra Mist gluten-free?” is straightforward. Yes, Sierra Mist is gluten-free. Why is this so? The reason is because the ingredients used to produce Sierra Mist, namely carbonated water, high fructose corn syrup, citric acid, natural flavor, and potassium citrate, do not contain gluten and hence, it is safe for consumption for those following a gluten-free diet.