**4. Literature review**

Studies based on the impact of the level of knowledge of added sugar in SSBs point toward a global need for improved awareness and consciousness of the effects of excessive consumption of added sugars. Finkelstein, Ruhm, & Kosa [6], support this notion by suggesting that consumers are aware that the

*Knowledge of Sugar in Sugar-Sweetened Beverages in South Africa: A Survey of Postgraduate… DOI: http://dx.doi.org/10.5772/intechopen.106904*

overconsumption of SSBs increases the risk of NCDs such as obesity. The prevalence of these NCDs including obesity has become public health concern [7]. The concept of added sugar in food is well clarified in several studies; however, the issue of consumers' knowledge about how sugar relates to nutrition, general nutrition knowledge and the role that food and nutrition labels play in knowledge acquirement is still unclear [3–5, 8–19].
