Kin is part of a flourishing “functional beverage” category, often branded with gradient, pastel colors, 1970s nostalgia logos and no alcohol. Poppi, Ruby, Superfrau, Dune Glow Remedy, Droplet, Brighter, Evexia Kafe, Sunwink and De Soi, co-founded by Katy Perry, assert that their seltzers, juices and tonics can heal you from the inside out with prebiotics,…
