Solstic Energy Is A Low-calorie, sugar-free energy drink featuring guarana, green tea and B vitamins. Solstic Energy tastes great; it's sweetened with stevia and flavored with natural lemon, mandarin orange and pineapple powders. Many energy drinks contain questionable levels of artificial caffeine and sugar. Solstic Energy contains only natural ingredients-including guarana, a natural source of caffeine-that help energize the body, reduce fatigue, increase mental focus and boost metabolism. Like all Solstic products, Solstic Energy comes ready-to-use in a convenient stick packet. Solstic Energy contains 6 mg of natural caffeine from guarana seed extract. It also contains thiamin, riboflavin, niacin, vitamin B6, vitamin B12, pantothenic acid, potassium, Korean ginseng root extract, stevia leaf extract, grapeskin extract and green tea leaf extract