Guinness 0.0 was initially launched in a limited number of supermarkets in October 2020. As a precautionary measure, Diageo undertook a voluntary recall of Guinness 0.0 after production tests identified the possible contamination of some batches. Following a thorough investigation across all aspects of the production process, Diageo identified a process failure and has since put in place additional measures and controls throughout the production process to ensure product quality. Now the drink is back on the market and available for all Guinness lovers to enjoy. READ MORE: M&S plans to close all stores on Boxing Day