The $200 billion functional drink boom is turning into a wellness arms race

Tech Insider : Business
A man squirts a tincture of CBD oil on a cappuccino.
These days, it's hard to find a beverage that's just a beverage, as brands add ingredients like fiber, protein, adaptogens, and nootropics to their recipes.

Britta Pedersen/picture alliance via Getty Images

Do 'functional' drinks really work?

Tech Insider

Functional or "healthy" drinks claim to calm you down, boost your energy, or improve brain health. Celebrities from Katy Perry to Bella Hadid have embraced them. But are they actually worth it?

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