Why We Keep Buying Vitamin Water (Despite Knowing Better)

The Editors, 03.03.2026

Vitamin water, magnesium-infused beer, drinks high in fiber—the market for functional beverages is booming. But what truly lies behind the promise of improving your health with every sip? Falstaff spoke to producers and a nutrition expert to find out.

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Functional drinks are the new superfood. Magnesium-enriched alcohol-free beer, vitamin water, drinks rich in fiber, recovery shots after workouts—they promise more energy, sharper focus, radiant skin and a happier microbiome. Designed to fit seamlessly into a “conscious” lifestyle, they suggest that better health can be just a sip away. But are the benefits real—or is it just smart marketing at work?

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