They make grand claims about beauty benefits or extra energy – and even actor Gillian Anderson has her own brand. We investigate what they’re really doing – and put them to a taste test Show yourself some love. Fuel your focus.

Source: [Guardian International](https://www.theguardian.com/lifeandstyle/2026/jul/26/ffunctional-drinks-hype-taste-test-probiotics-electrolytes-caffeine)

Sponsored