They needed a domestic ingredient that would make the beers more effervescent, bubbly and lighter. Carbonation causes small bubbles to form, giving the water an effervescent quality. Alka-selzer is an antacid and pain reliever sold as an effervescent powder. Effervescent antacids may also contain aspirin, sodium carbonate, or tartaric acid. Vitamin tablets may be sold as effervescent tablets. In very small amounts in citrus to add a bright, green, effervescent quality. His one caveat was that the songs are "melodic yet seldom uplifting or effervescent". Historically it was a cool effervescent or iced fruit soft drink. Berocca's effervescent tablets contain small quantities of aspartame (phenylalanine). Vincent Canby described it as "effortlessly witty" and "effervescent" in his "New York Times" review. The result was a sake that was cloudy, effervescent, unpasteurized, and slightly sweeter. The production of effervescent tablets is the chief work of SwissCo. The many relocations proved ruinous to the effervescent spirit of the original cabaret. Some chemical denture cleaners are effervescent and others are not. "Mojo" said the album had "effervescent songs, sympathetically orchestrated".