Try the trend for mushrooms with our innovative new range of delicious, refreshing drinks made with lion's mane and reishi mushrooms. Our must-try YAY! Mushrooms range has been created using the quality and taste expertise of the M&S Food team with the scientific brains of Royal Botanic Gardens, Kew – one of the global experts on mushrooms and their qualities. We're the only retailer to have the mushrooms in our YAY! Mushrooms drinks verified by the experts at Royal Botanic Gardens, Kew. Browse the full range, available now in the Foodhall.