B&B studio rebrands Jealous with enviable results! B&B studio has rebranded Jealous Sweets, a UK entrepreneur looking to bring credibility to candy with its range of delicious and high quality sweets for grown-ups. Jealous specialises in gummy and jelly treats that are made without gelatine, artificial colours or flavours, so they’re 100% vegetarian, gluten-free and full of natural fruit juices.