Rockstar Inc., Las Vegas, NV, has introduced its Rockstar Energy Drink. It contains 946 mg of taurine, 200 mg of guarana, 25 mg of inositol, 25 mg of L-Carnitine, 20 mg of milk thistle extract, 15 mg of ginkgo biloba leaf extract and 25 mg of siberian ginseng root extract. In addition Rockstar Energy Drink contains 200% of the daily value (DV) of vitamin B2, 50% of the DV of vitamins B3, B5, B6 and B12 and 100% of the DV of vitamin C.