Caffeine is a stimulant that is used to stay awake and it gives mental alertness from fatigue. This is used as an adjunct for pain relief and also as energy accelerates. Caffeine is a non-prescription drug easily available as over the counter medication and comes in combination to acquire relief from headache and pain. Caffeine increases the mental alertness by offering the required energy for exercise training and weight loss. Caffeine cannot be considered as a mere stimulant as it reaches deep into muscles and provides power that is long lasting. Caffeine taken before any work out is also great as it fights the fatigue and keeps the person ready for the workout. Dieters also find caffeine as the solution as they feel sluggish. This is a no-calorie stimulant and does its job effectively and quickly. Caffeine anhydrous is found even in one or two coffee cups. However, this limitation is recommended as excess caffeine may result in irritability, rapid heart beat, nervousness and sleeplessness.

Ginger Root is a dietary supplement that is not only used as a spice but has had a positive effect on some types of arthritis and raynauds disease.

Green Tea Extract comes from green tea leaves and has been shown to be a very effective supplement for many common ailments ranging from minor to life threatening. Green tea extract is known for its strong antioxidant qualities, making it popular amongst those who take an active role in ensuring their good health. In fact, green tea extract has twenty times more antioxidants than the same portion of Vitamin C, another clouted supplement for health aficionados. In addition to antioxidants, green tea extract is effective at fighting carcinogens and inflammation. Green tea extract is best known for fighting cancer when combined with other methods, for reducing inflammation, and for encouraging overall good physical health.

Guarana is a South American climbing plant belonging to the genus of trees and shrubs called Maple. This plant is common around the Amazon and very present in Brazil. The fruit of the guarana plant is being used in that country to produce a diversity of soft drinks and beverages, having the double caffeine content of the coffee bean. Other nutrients that are contained in the seed besides caffeine are protein, fat and starch, but also adenine, choline, guanine, resin, tannin and xanthine, just to name a few. The cognitive effects of guarana are well documented, but the appetite suppressant qualities of guarana are relatively new. A study has proven that a combination of yerba mate, guarana and damiana leads to a tenfold weight loss quantity when compared with a placebo.

Kola Nut has a euphoric and stimulating effect on the heart and central nervous system and produces a heightened state of euphoria and well-being.

Some Unknown Ingredients, which is a common practice for many supplement manufacturers. They use ineffective common ingredients and trademark their name for them to disguse the actual low quality ingredient contained.

Yerba Matte- The plant of the yerba maté, as yerba matte is actually called, is a small tree or a shrub which can grow up to a size of fifteen meters. The leaves and twigs have traditionally been used to brew a tea like concoction, which is still a very popular social beverage in South America. Yerba maté contains alcaloids that are very similar to caffeine, commonly referred to as xanthines, but also elements like manganese, magnesium and potassium. The main difference between yerba maté and coffee, for instance, is the effect it has on muscle tissue, where it appears to relax smooth muscle tissue, but stimulate heart tissue and that is why it is used in Estrin-D. In other studies, yerba maté was found to work as a monoamine oxidase inhibitor, thereby professing antidepressant qualities.