Unless one is not involved in strenuous activity like sports etc or exercising regularly taking support of calorie based herbal energy supplements to increase energy and power shall be avoided or at least these shall not be used for a longer period. Every herb or natural substance has different method of increasing energy levels in the body, one need to know the effect of these herbs and natural aids to identify the most suitable herbal energy supplement to increase energy and power. Substances of Ginseng family in many studies have been found very useful in providing physical and mental energy lift.The third category of herbal energy supplements to increase energy and power are calorie based.Herbal energy supplements increase energy and power to allow old, young, male or female lead an active life and fulfill tasks of daily routine without feeling stressed out.Caffeine, green tea, kola nut, yerba mate, Asian ginseng, Siberian ginseng, bitter orange and guarana are stimulants which boost up energy levels by increasing metabolism temporarily.Readymade drinks, supplements and pills use set of herbs and natural substances to provide burst of energy.Not only ordinary men and women even those who need much higher energy like athletes, sportsperson etc also opt for herbal energy supplements to increase energy and power. Few of these are necessary ingredients of artificial herbal energy supplements to increase energy and power. These supplements supply dosage of sugar usually in the form of carbohydrate which get easily absorbed in blood stream and increase blood glucose to rev up energy and stamina. Coenzyme Q10, B vitamins like thiamine, folic acid, niacin, vitamin B6 and B12 and carnitine, creatine, amino acids like tyrosine, phynylalanine and taurine are in the category of supplements which are derived by the body from food one eats stringing blocks series for energy metabolism. Calorie based herbal energy supplements are very effective in providing quick burst of energy but can be harmful as these have high-glycemic index.Capsaicin can boost up metabolism, higher metabolism results in higher energy levels hence this also works as potent herbal energy supplement to increase energy and power. Even drinks and pills containing these as ingredients work as effective herbal energy supplements to increase energy and power.Another group of herbal energy supplements to increase energy and power works by increasing energy metabolism and supplying more energy to cells, this makes more energy available to organs and entire body in very quick time. People who need quick punch of energy and utilize that immediately like athletes, runners and sports persons can benefit from such herbal energy supplements like Revial Capsules or Sfoorti Capsules to increase energy and power.Green tea supplies important anti-oxidant EGCG and cast unique effects on physical and mental energy. Person deficient in any of these substances or consuming poor and undernourished diet not capable of supplying all or any of these vital energy boosters benefits by taking these as supplement. Caffeine, kola nut, yerba mate and guarana also cast similar effects, these hasten metabolism temporarily to provide burst of energy like the one gets after having a cup of coffee. Bitter orange contains synephrine which is chemically similar to ephedrine, higher doses of this substance can be harmful but bitter orange is considered as less harmful successor to ephedrine and potent herbal energy supplement to increase energy and power.