Before 2025 was named the year of the health drink, before matcha lattes became a status symbol and before anyone was talking about their gut microbiome in polite company, there was kombucha. A slightly fizzy vinegary drink made from fermented black or green tea – it’s the original gut health potion.

Back in 2010, Lindsay Lohan made headlines for drinking it, it’s been cited as a wonder beverage responsible for lowering inflammation, treating hypertension and supporting a healthy immune system (though more studies are needed to support these claims), and it’s packed with probiotics – the most talked about gut-health supplements of all time.