Trident White

Ranking: 20
Annual sales: $118.2 million
Who makes it: Cadbury

Trident White was launched in 2003, nearly 40 years after Trident was selected by NASA as the chewing gum for its Gemini astronauts. The pellet gum promises whiter teeth in just four weeks of chewing eight pieces a day, thanks to a patented anti-staining ingredient.

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