Bonk Breaker, the best tasting Energy Bar in the WORLD! "Where homestyle baking meets sports nutrition." We are baking every week, so all Bonk Breakers are shipped out within 5 days "out of the oven". In endurance sports, particularly cycling and running, "BONK" describes a condition when the athlete suddenly loses energy and fatigue sets in, resulting in a major performance drop. BREAK the DREADED BONK!