The Health Star Rating (HSR) is a voluntary front-of-pack labelling system that rates the overall nutritional profile of packaged food and assigns it a rating from ½ a star to 5 stars. It provides a quick, easy, standard way to compare similar packaged foods. The more stars, the healthier the choice.
The HSR system was implemented in Australia and New Zealand in June 2014, and is jointly funded by Australian, state and territory and New Zealand governments.
Health Start Rating system website.