A "Skinny" line of drinks rolled out in 2008, offering lower-calorie and sugar-free versions of the company's offered drinks which use skim milk and can be sweetened by a choice of natural sweeteners (such as Sugar in the Raw, Agave Syrup, or honey), artificial sweetener (such as Sweet'N Low, Splenda, Equal), or one of the company's sugar-free syrup flavors.Starbucks stopped using milk originating from rBGH-treated cows in 2007.