Usage examples (37)

• Mr. Tuttle calls guarana particularly worrisome because it acts as a stimulant, like caffeine.
• The vodka isn't flavored, and you can't taste the guarana, which is a South American plant rich in caffeine.
• Another Brazilian drink, bottled "guarana", is made from a fruit growing in the Amazon; it tastes a bit like cream soda.
• The giant brewers removed caffeine and other stimulants, such as guarana, from those drinks under settlements with states last year.