Mo

Yes—regular Pepsi contains caffeine, with about 38 mg per 12-fl-oz can; sizes and versions change the amount.

No, standard Guinness beers are caffeine-free; coffee versions like Nitro Cold Brew contain only small amounts from added coffee.

Yes, iced refreshers contain caffeine, usually from green coffee extract or green tea depending on the brand.

Yes, Starbucks’ Strawberry Açaí Refresher contains caffeine from green coffee extract—about 35–110 mg depending on cup size.

Yes, Peace Tea contains caffeine, but the amount is low for a tea drink and varies by flavor and can size.

No, Fresca soda is caffeine-free across flavors in the United States.

Yes—the Strawberry Acai Lemonade Refresher contains caffeine from green coffee extract.

Most ICEE flavors are caffeine-free; cola or soda-based ICEEs (like Coke or Mountain Dew) do contain caffeine in small to moderate amounts.

Yes, most summer refreshers contain caffeine from green coffee or tea extracts, though amounts are lower than coffee.