Formula
7 Up has been reformulated several times since its launch in 1929. In 2006, the version of the product sold in the U.S. was re-formulated so that it could be marketed as being "100% Natural". This was achieved by eliminating the chelating-agent calcium disodium EDTA, and replacing sodium citrate with potassium citrate in order to reduce the beverage's sodium content. This re-formulation contains no fruit juice and is sweetened with high-fructose corn syrup (HFCS). The manufacturing process used in the production of HFCS has led some public health and advocacy groups to challenge the ad campaign's "natural" claims. In 2007, after the Center for Science in the Public Interest threatened to sue 7 Up, it was announced that 7 Up would stop being marketed as "100% natural". Instead, It is now promoted as having "100% Natural Flavors". The controversy does not extend to other countries, such as the United Kingdom, where the high fructose corn syrup is not generally used in foods, including 7 Up. 7 Up is a common folk remedy, for example relieving stomach aches. In 2011, 7 Up began test-marketing a formula, called 7 Up Retro, using sugar rather than HFCS. Container labels sport the caption, "Made With Real Sugar".
There exists a myth that the 7 Up name comes from the "fact" of the drink having a pH over 7. That would make it neutral or alkaline on the scale; however, this is not the case, as the 7 Up pH is close to 3.79, similar to other drinks of the type. The real origin of the name is unclear, though Britvic claims that the name comes from the seven main ingredients in the drink.
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