A petition posed in 2009 is being reexamined by the FDA, which seeks to allow the addition of common artificial sweetener Aspartame to milk. Currently, the label "milk" is only permitted for beverages with calories, but the passage of this petition would change that.

Aspartame is used in a range of products including diet soda and yogurt and is sold to consumers under the brand-name Equal (which also includes some other ingredients). Some researchers have found that artificial sweeteners alter people's brain chemistry making them crave higher-calorie foods, which in turn makes them more prone to obesity and diabetes.

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