In EU, a claim that a food is low sugar may only be made where the product contains no more than 5 g of sugars per 100 g for solids or 2‚5 g of sugars per 100 ml for liquids. -see: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A02006R1924-20141213-