Compositions, kits and methods are provided for enhancing vital energy andathletic performance, improving orrestoring blood circulation, promoting mental acuity, reducing fatigue, andimproving aerobic performance. In one embodiment,the composition comprises the herbal extracts of Rhodiola crenulata (root) andGinkgo biloba (leaf). The composition can be usedas a pharmaceutical or nutraceutical to promote mental concentration, and topromote aerobic and anaerobic performance by enhancingstrength, endurance, muscle tissue oxygenation, and optimal oxygenconsumption.