The A-list love it - but is 'anti-ageing drink' kombucha actually doing more harm than good?

Hailed as the elixir of youth and a cure for all imaginable ailments, the fermented beverage is a favourite among stars like Madonna and Gwyneth Paltrow.

Lifestyle/Wellness/The-A-list-love-it-but-is-anti-ageing-drink-kombucha-actually-doing-more-harm-than-good