Coca-Cola wasn’t the only soft drink to at one time contain a drug derivative in its mixture; lithium was once part of the formula for 7-up. Posted on November 21, 2013 by admin Coca-Cola wasn’t the only soft drink to at one time contain a drug derivative in its mixture; lithium was once part of the formula for 7-up. VN:F [1.9.22_1171]please wait...Rating: 0.0/5 (0 votes cast)VN:F [1.9.22_1171]Rating: 0 (from 0 votes)