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Oxy-chew is an invention of Gyro Gearloose. It is a black licorice-flavored chewing gum that people can chew practically indefinitely for survival, continuously supplying them with the oxygen, water, and nutrients they need to survive.


"What Ever Happened to Della Duck?!"

Della Duck chews Oxy-chew to survive on the moon without a spacesuit

"Nothing Can Stop Della Duck!"

After crashing on the Moon due to his bad luck, Donald Duck eats the whole box of Oxy-Chew so he can survive.


  • Oxy-Chew supplies the consumer with water and nutrients even though the packaging only states it supplies you with oxygen.
  • Before appearing in DuckTales 2017, Oxy-Chew was introduced in the DuckTales 1987 continuity, in the DuckTales Remastered videogame as blue oxygen-flavored taffy. In the series, the flavor of the gum is black licorice (the worst flavor, according to Della).
  • The anime series Kaiten Shounen Marine (dubbed in the United States as Marine Boy) had its protagonist surviving underwater by chewing Oxy-Gum.