“This will assist people to know what is in packaged food because most people don't know what they are eating,” said Moeng.
“The problem will then be how to deal with the food that isn't packaged. People are excited to buy those combos - the chicken, chips and a fizzy drink - without knowing what is in them.”
She was speaking at the launch of the #WhatsInMyFood campaign, organised by the Healthy Living Alliance (Heala), which aims to educate people about unhealthy ingredients lurking in processed food.
Poor diet is driving obesity in South Africa, the fattest nation in sub-Saharan Africa, with soaring rates of diabetes, 240 people having strokes every day and a high rate of heart attacks - mostly linked to poor diet and being overweight.