7-Keto, a natural metabolite of DHEA, but with less side effects. The Body's production of DHEA declines with age. This decline in DHEA may lead to weight gain, supplementation with 7-keto is believed to help replace lower levels of DHEA, which is the reason why it was included in Lean System 7.

Bioperine is an extract from the fruit of Piper nigrum L (black pepper) or Piper longum L (long pepper) that contains 95 percent of piperine. Black pepper is a common household spice. Extract from black pepper has also been used extensively as a medicine. To reach the greatest quality during the harvest, the pepper is reaped before ripening and after that is placed to dry under the sun rays. Bioperine is known for its effect to enhance the efficiency of many supplement nutrients. Bioperine acts to enhance the body’s natural therogenic activity – giving the name thermonutrient. This enhancement brings about increased metabolic rate creating demand for supple of many nutrients such as vitamins, minerals, herbals, amino acids. It sets in motion a process that brings about better digestion and faster gastrointestinal absorption.

Citrus Aurantium is the Latin name for a citrus tree which grows bitter oranges. Traditionally being used by Chinese medicine and herbologists, the extract of the orange and the peel was used as a dietary supplement in concoctions with other herbs to suppress appetite. While other active ingredients of the citrus aurantium may contribute and even promote the effect, the main ingredient used in all weight loss products is synephrine, an alkaloid similar to ephedrine. It is a phenethylamine; it influences the alpha1 adrenergic receptor, constricting blood vessels, additionally increasing the heart rate and the blood pressure. In most cases the use of synephrine is paired with a diet and body building plan, where weight loss and muscle building is essential.

Coleus Forskohlii- Properties are used in the treatment of cardiovascular diseases, allergies, respiratory problems, psoriasis and weight loss.

Dandelion - Taraxacum with the common name dandelion are common weeds, flowering plants that are found worldwide, but are native to the Old World, or the temperate areas of Europe and North America. Effects of the dandelion extract are multiple, for once, it is believed to be a diuretic, because of the salt and water excretion induction from the kidneys. It contains luteolin, a flavonoid and very common. It is very important as an antioxidant, feeding on free radicals, preventing inflammation and promoting the carbohydrate metabolism. It is believed that dandelion, or luteolin for that matter, plays a vital part in the prevention of cancer and that it is an immune system modulator. Besides other positive aspects, like lessening the effects of herpes, genital warts and also helping with problems regarding dyspepsia, liver and gallbladder, it helps with treatment of obesity prone patients.

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.

Yerba Matte is believed to possess cancer-fighting properties and has shown to have a relaxing effect on muscle tissues and a stimulating effect on heart tissues.