What is carbarleycarbarley is a low gi glycemic index carbohydrate which is sourced from waxy barley starch and has a high amylopectin content of 92 with approximately 7g of sugar per servingcarbarley benefitsthis low gi carbohydrate is ideal for the preparation and recovery for a range of sports including team based sports or endurance based activities which require muscle glycogen stores to depletewho is carbarley suitable formany athletes and gym users may look to use this as a rep