The Clover Corporation has welcomed news that four of its pharmaceutical-grade tuna oils and its baked goods ingredient Driphorm have been confirmed as Generally Regarded As Safe (GRAS) by the US authorities. Shares in the company rose 5 cents yesterday as the endorsement opened up a wealth of selling potential within the massive US health food market. The company had posted an A$193m net loss in the H1 of its financial year, and a lack of sales growth prompted the termination of a worldwide distribution agreement with