Yeah Brew Kombucha - Blackcurrant Hammerhead Foods $12.99 750ml - $12.99 300ml - $4.99 Quantity This variant is currently sold out. Yeah Brew Blackcurrant Kombucha. A natural non-pasteurised fermented tea that is probiotic rich and is excellent for promoting good gut health. Made in New Zealand from freshly squeezed blackcurrants.