7 UP - introduced in 1929, contained the following ingredients: carbonated water, sugar, citric acid, lithium citrate, sodium citrate, and essences of lemon and lime oils. Lithium citrate is a chemical compound of lithium and citrate that is used as a mood stabilizer in psychiatric treatment of manic states and bipolar disorder. They stopped using it as of 1948.
Let's not talk about CocaCola's cocaine ingredient.
the good ol days, yeppa.