COLLAB 66 North (330ml.) Icelandic Sparkling Water with Caffeine & Collagen No Salt No Sugar 105mg Coffein 6 types of Vitamin B Collagen COLLAB is based on Icelandic ingenuity and developed in cooperation with the Icelandic innovative company FEEL Iceland. The beverage is available in five flavors: Lime and elderflower, mango and peach, raspberry and apricot, passionfruit and lime and Yuzu lime and lemon.