To avoid bonking while exercising, you need a portable source of easily digestible carbohydrates to fuel your muscles. GU Original, Liquid Energy, and ROCTANE Energy Gels pack quick, effective, and sustained energy to meet the demands of all types of activity. All Original Energy Gels and ROCTANE Energy Gels are Vegan, Gluten Free, and Kosher. Liquid Energy Gels are Vegan and Gluten Free