For a company whose name is synonymous with a soda that has 10 teaspoons of sugar per can, discussing the sweetener’s perils could have amounted to self-immolation. But PepsiCo (PEP) declared a decade ago it wanted healthier products, including foods and beverages that would reduce consumers’ exposure to salt, saturated fats and, yes, even sugar.

Skeptics could argue that PepsiCo has simply been adjusting to consumer tastes—U.S. carbonated soda consumption fell to 30-year lows last year. Whatever the driving impulse, its “Everyday Nutrition” portfolio, which includes bottled water, now accounts for 25% of revenues. Pepsi also bolstered R&D spending by 40% since 2011 to create new offerings, like all-natural juice Tropicana Essentials in the UK or low-calorie Mountain Dew Kickstart (it has the “legs to be the next billion dollar brand,” says chief scientific officer Mehmood Khan) As for Pepsi cola? It now accounts for just 12% of sales.

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A version of this article appears in Fortune’s September 1 issue as part of the Fortune Change the World list, our annual ranking of major companies whose business activities are having a positive social impact. Click here to see the entire package.