Jolt gum is a chewing gum, from the makers of Jolt Cola (the packaging explicitly states "Yes, the same Jolt as Jolt Cola!"). It is meant to give energy an contains caffeine, guarana and ginseng. Two pieces contain the energy boost of a coffee or energy drink. There are 90 mg of energy in 2 pieces of Jolt Gum (40 mg of caffeine, 40 mg of guarana-caffeine and 10 mg of ginseng). It's used as an on-the-go energy booster that doesn't require the attention of a bottle or can.