Acetyl- L-Tyrosine occurs naturally in the body. This amino acid plays a pivotal role in assisting the body in developing chemicals such as dopamine. Without this, the body can have adverse effects culminating in a sense of sadness, depression, anxiety and an inability to concentrate. Most over the counter supplements that are intended to help boost the body’s naturally occurring processes also include sorbitol, stearic acid, magnesium stearate, modified cellulose gum and colloidal silicon dioxide. This supplement is ideal for vegetarian and vegan users as it contains no animal products. There may be adverse interactions with MAO inhibitor drugs and this should not be used if pregnant or nursing.

Bioperine is derived from the extract of Piper nigrum L (black pepper) or Piper longum L (long pepper). Bioperine activates the thermogenesis process that generates energy at the cellular level. This process also helps in burning of fats. It also increases the absorption of nutrients and vitamins. It ensures that the body benefits and is able to efficiently use the nutrients from the food. It also boosts the metabolism that makes it effective in weight loss and maintenance. Because of the boost in metabolism, it also provides the body an increased supply of energy. It also aids in the proper digestion.

Caffeine is of course a major component of every day drinks such as tea and coffee and is also included in Lean Stack. It is claimed that over 70% of the American population take more than 300 milligrams daily. As well as in familiar drinks it is used in energy drinks such as Red Bull as well as in many over the counter analgesics and other medication. Medically it is a as trimethylxanthine, useful as a heart stimulant and it also works as a mild diuretic. It works in the same way as certain drugs, the amphetamines, cocaine, and heroin, all of which work on the action of the brain although in a milder way, and like them it is addictive.

Cayenne peppers are rich in vitamin A and C, calcium and other nutrients. They cure fever, colds and sore throats. They improve the digestive process. They protect the heart by strengthening arteries and regulating blood flow thus preventing heart attacks. External use reduces discomfort and swelling due to frostbite and joint pains by increasing blood flow to the area. Cayenne oil reduces toothaches effectively. Cayenne powder keeps hands and feet warm by improving blood circulation, when sprinkled into gloves or shoes. It is also known to reduce itching. A water-cayenne mixture helps to stop external bleeding. It reduces internal bleeding by even distribution of blood in the body. It also increases vigor and stamina. You must consult a physician before using cayenne for medicinal purposes.

Chromium Polynicotinate is a product associated with medical food. It is used as a nutritional support in diabetes related conditions. Chromium polynicotinate is said to be nothing but an assimilated form of chromium. It is said to be the most effective type of chromium. It is absorbed by the body in its biologically active form. It is also crucial to the process of synthesis of fats, protein and cholesterol. Chromium polynicotinate if taken in monitored dosage can help stabilize blood sugar levels. This proves beneficial for people suffering from diabetes as well as hypoglycemia. Its main property is to produce insulin. Therefore, it helps in the metabolism of glucose. This type of chromium polynicotinate helps in the production of anabolic effects which have no side effects. On the other hand, they help in keeping the fat cells away from the muscle cells.

CLA has anti cancerous and antioxidant properties and studies have shown that tumor growth has been hindered with the use of CLA.

Cocoa Seed Extract, which is standardized for caffeine, tyramine, phenylethylamine and theobromine. Cocoa seed extract is thought to possibly help speed up the metabolism and provide feelings of fullness.

Conjugated Linoleic Acid.

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.

DMAE (Dimethylaminoethanol) is a supplement which acts as anti-oxidising agents. They are mostly consumed in order to increase the functioning of brain and also to keep up the health of skin. DMAE greatly works in some advantageous process such as enhancing the ability of learning, mood and mainly to increase the memory power. They keep the skin healthier by stabilising the membranes of lysosomes that you find in human skin and also repairs those skin cells which are damaged. It resists the impact of the ages which damages the healthier skin by blocking the activity of lipofucsin. There are of course some side effects caused by these supplements as well and hence it must be consumed with the advice of some physicians.

Folic Acid produces healthy red blood cells and prevents anemia in both children and adults. It is especially important in pregnancy and infancy and is also believed to help in the prevention of cancer, stroke and heart disease.

Garcinia Cambogia, which is used for the active ingredient, Hydrocitric Acid or HCA. It is extracted from the garcinia cambogia fruit, similar to an orange. It is commonly used as an appetite suppressant. Hydrocitric acid or HCA is a "lipogenesis inhibitor," which means that it slows down the production of fat from the metabolism of carbohydrates and proteins. This means that more calories are burned as energy and less are turned into stored fat. Studies on animals and humans have shown that HCA can suppress fat production and reduce appetite.

Ginger Root- Ginger is a spice which originated in Asia, where it is grown primarily in India and the Southeast of Asia. Currently it is used all over the world for culinary purposes. Several other uses, besides that of a spice, have been encountered, like in Ginger Ale, ginger tea, but also ginger beer. Gingerbread is perhaps the most popular example of ginger use, but historically it has been labeled as a stimulant and a carminative. Indonesia traditionally uses herbal preparations with ginger, which is supposed to reduce fatigue and help control all kind of digestive problems. Ginger is also known to help with morning sickness and is an ingredient in motion sickness remedies. Nausea in many forms, including chemotherapy, is treated with ginger as well.

Grape Skin Extract is extracted from the skin of grapes. Grape skin extracts, particularly red grape skin extracts, are becoming popular in medicine and nutritional supplements because some recent researches have indicated that polyphenolic extracts of red grape skin can prevent and inhibit angiogenesis, and decreases the basal motility of endothelial and cancerous cells because it has inhibitory effects on the vascular endothelial growth factor and the enzyme sphingosine- 1 - phosphate, thus preventing diseases related to angiogenesis deregulation. These diseases frequently include cancers and malignant brain tumors.

Grapefruit Extract- A lot can be made from a grapefruit. The grapefruit extract is made from the pulp, white membranes and seed of the grapefruit. It is also known as the citrus seed extract. Grapefruit is one of those rare fruits whose all parts are of some use or the other. The fruit itself gives a tangy juice. Aromatherapy oils can be made with peels. The peels are also used as a source of dietary fiber. Grapefruit is said to be the most alkalizing of all fruits. To alkalize the body is one of the best ways to regenerate health. Alkaline environment is a hostile environment for diseases to live in. It also helps in stimulating the human immune system. It helps in preserving the intestinal bacteria along with its integrity in return making life sustainable.

Green Tea Extract- By increasing the body's metabolism, it is widely believed that green tea extract largely aids in weight loss.

Guarana has in recent times received widespread popularity because of an energy drink. It is actually a climbing plant in the family related to maple and is native to the Amazon region, predominantly in Brazil. It is a flowering plant with big leaves, but the fruit is the most prominent component, not bigger than a coffee bean. Guarana fruit has about the double content of caffeine when compared to the coffee bean. Besides the cognitive and fatigue reducing effects of caffeine, guarana displays also other interesting properties, such as the assistance in a weight loss program; namely, guarana affects the perception of the satiation, making the person feel full sooner. Further antioxidant and antibacterial effects have been noted as well. In combination with linoleic acid, guarana has shown fat cell reduction effects in mice.

Kola Nut- The trees found in Africa have seed pods that are inherent with Kola nuts. In regions of western Africa and central Africa, Kola nut trees are commonly found and they tend to grow up to 18 meters in height which is a good 60 feet. Kola nut consists of caffeine and has acts as a powerful anti depressant and stimulant. Kola nuts importance has been realized mainly in western Africa. It is also useful in reducing indigestion, hunger and fatigue. In simple words, it functions as an aphrodisiac. According to tradition, Kola nuts are offered when someone enters their new house and it symbolizes hospitality and friendship. Kola nut can be easily found as there are several street vendors selling them at places such as the bus or train station.

L-Carnitine - Carnitine is an ammonium compound. It is derived from two amino acids, namely lysine and methionine. Carnitine is needed to transport fatty acids, when they are removed from the storage in fat cells and used for additional energy. Carnitine used to be labeled Vitamin Bt, the biologically active form is named L-Carnitine. Food sources of carnitine are found in red meat and dairy products, but also in several nuts, seeds, legumes, cereals, pulses, other vegetables and some fruits like bananas. While the weight loss effectiveness of L-Carnitine is still in research, it is a proven fact that it increases the energy metabolism levels and that in elderly persons L-Carnitine significantly improves the neurotransmitter functions. It also improves the bone structure and has substantial antioxidant action.

L-Tyrosine is an amino acid taken to enhance the functions of the thyroid gland. It provides essential supplements to the body for fighting serious ailments. L-Tyrosine is a natural cure mainly for hypothyroidism and many other illnesses including protection of skin from the UV rays and depression. People suffering from hypothyroidism lack tyrosine and therefore do not respond to iodine supplements. Iodine supplements are of no use without tyrosine. Using L-tyrosine replaces vital amino acids which people having hypothyroidism lack. It produces thyroid hormones namely, norepinephrine, dopamine and epinephrine. L-tyrosine must be used by those who have a family history of under active thyroids and by those who have not got benefits from dieting efforts. L-tyrosine is taken in doses of 500mg 2 to 3 times everyday. People having high blood pressure must be cautious while taking this supplement.

Magnesium Stearate is coommonly used as a filling agent in the manufacture of capsules and tablets, such as vitamins, the source of this ingredient is typically bovine. However, there is an increasing number of vegetarian options in which the product specifically indicates it contains magnesium stearate from vegetable sources.

Opumtia Ficus-indica is a species of cactus which has been domesnticated for a long time. It is a very important agricultural plant in economies throughout the arid and semiarid parts of the world. Opuntia ficus-indica is also known by other names. They are Indian fig opuntia or barbary fig. The main reason behind growing the opuntia ficus-indica is its fruits. The vegetable nopales are also used for various purposes. In the culinary world, it is often referred to as the prickly pear. The large, sweet fruits called tuna are the most commercially valuable use of the species of opuntia ficus-indica. Sicily, Spain, Mexico, Ethiopia, Egypt, Saudi Arabia, Brazil, Israel, Chile, Algeria, Morocco, Italy are some of the countries that cultivate the opuntia ficus-indica in significant quantity.

Pantothenic Acid, commonly called vitamin B5, is water soluble and is needed by every cell in the body to maintain good health. It helps in breaking down carbohydrates, fats and proteins to provide the body with energy. It assists in the production of red blood cells and hormones and ensures a healthy pregnancy. It is also known to lower triglyceride and cholesterol levels in the body. It helps in reducing stress and treating people with rheumatoid arthritis. Pantothenic acid is found in small quantities in almost all foods but abundantly in meats, fish, poultry, avocados, peas, broccoli and whole grains. A deficiency which is rare, leads to leg cramps, gastrointestinal problems, anemia, insomnia, depression, a burning sensation in the limbs and a weakened immune system.

Silica is silicon dioxide, a trace mineral found in bones, teeth, skin, eyes, glands and organs. It also helps keep skin elastic. Silica works with calcium to maintain bone strength.

Stearic Acid is a saturated fatty acid that occurs in many animal and vegetable fats and oils. Stearic acid is useful as an ingredient in making candles, soaps, plastics, oil pastels and cosmetics, and for softening rubber. Stearic acid is used to harden soaps, particularly those made with vegetable oil. Even though stearic acid is a saturated fat, studies have suggested that it has little effect on blood cholesterol levels, because such a high proportion is converted to oleic acid.

Vanadyl Sulfate is an inorganic compound of vanadium and the most widely found laboratory source. It is derived from petroleum residues, which is known as the most common commercial supplier of vanadium. Humans do not require vanadium, which means it is not necessary for humans to ingest vanadium in order to survive. Some vanadyl compounds are known to have the effect of mimicking the effects of insulin, which led to a popular use of Vanadyl Sulfate as a dietary supplement. In body building circles it is believed that Vanadyl Sulfate is increasing the performance and that muscle cells take up glucose easier under the influence of Vanadyl Sulfate. The insulin mimicking characteristic is believed to allow amino acids, proteins and carbs to directly enter muscles, but the scientific proof is still under deliberation.

Vitamin A is a fat-soluble vitamin with known toxicity. Although its toxicity has been exaggerated, it is a factor worth keeping in mind. Carotine is converted in the human body to Vitamin A, it comes from vegetable sources. Vitamin A is necessary for normal growth and for skeletal development.

Vitamin B12, or rather the Vitamin B complex, is a group of vitamins that are all soluble in water and very often coexist in food sources. While every single Vitamin from the B complex group has a name, they are very often referred to by the number added to the Vitamin B group name, like Vitamin B1, which is thiamine, or Vitamin B2, which is riboflavin. Some other compounds have been added to the Vitamin B group at some time, but were later dropped, like adenine, orotic acid or adenosine monophosphate, where later research found that they are either synthesized by the human body or simply no Vitamins. Vitamin B complex supports the metabolism rate, maintains muscle tone and skin, raises functions of the nervous system and the immune system, promotes red blood cells and cell growth and division and much more.

Vitamin B6 is one of the most important vitamins that play an essential role in the development and keeping the immune system healthy. Vitamin B6 is water soluble that contains pyridoxal, pyridoxine, and pyridoxamine. It is needed by the body in various functions such as red blood cell metabolism and conversion of the amino acid tryptophan to the vitamin niacin. It is also important in ensuring the efficient function of the nervous and immune systems. It helps manufacture proteins and neurotransmitters, haemoglobin, and prostaglandins. It also helps balance the hormones. Vitamin B6 is known to help give relief to women suffering from menopausal symptoms, and premenstrual syndromes. It also helps reduce the incidence of breast cancer.

Vitamin C, also known as Ascorbic (a-SKOR-bik) acid, is needed for many functions in the body, including helping the body use carbohydrates, protein, and fats. Vitamin C is found in most citrus fruits and green vegetables and is a strong antioxidant.

Vitamin E is the name for a group of tocopherols and tocotrienols that are soluble in fat and display antioxidant properties. The most important vitamin out of this group is alpha tocopherol, which professes the highest bioavailability, and therefore, was the most studied Vitamin E. Found in such foods as nuts, seeds, milk, wheat germ and most vegetable oils, this Vitamin is said to be perhaps the most important antioxidant in human nourishment, although this trait is not deemed the imperative reason why Vitamin E is required to be in every diet. Most clinical studies which were supposed to crown Vitamin E as the prevention from prostate cancer or cardiovascular wonder supplement have been either inconclusive or were discontinued due to poor results. Vitamin E deficiency results in neurological and neuromuscular problems, but also in failure to absorb fat.

White Kidney Bean Extract is a common healthy ingredient in diets where weight control and muscle building are required. Phaseolus vulgaris, which is the Latin name, is native to Europe, but can also be found in India and Peru. While these beans can be found in many local dishes and have attributed to local folklore, other effects make this food interesting for the body building community. While it contains a lot of protein, the ability to provide energy while keeping the sugar levels in the blood down is an additional plus. It also seems that the now popular white kidney bean extract is a proper lipogenic. Furthermore, the high fiber content of white kidney beans provide for a proper digestion and regular bowel movements.

White Willow Bark, more accurately the bark of the deciduous tree, has been known since the ancient times for its medicinal properties. Already the ancient Egyptians, but also Hippocrates, Assyrians and Sumerians have recognized that the powder extracted from the white willow bark is a very potent remedy for fever, but active against pains and aches as well. Salix alba, which is the Latin name for the white willow, contains an active alcoholic beta glycoside that contains D-glucose and is named salicin. Salicin is metabolized in human body to salicylic acid and is very closely related to aspirin. When ingested it has a quinine like bitter taste. Salicylic acid is anti inflammatory and keratolytic, and is commonly used as an additive in weight loss products.

Yerba Matte- Described as an ancient drink of friendship derived from a small shrub. It is sometimes spelled as yerba mate and people drink it in order to gain energy producing properties without consuming caffeine as they would in normal tea or coffee. People believe that yerba mate is a appetite suppressant, clears the mind as well as relieving allergies, improving sleep patterns and lifting the mood, that is why it is used in Lean Stack. It is advertised as an aid to weight loss, a fortifier of the immune system, a colon cleanser and even as a means of extending life. It is prepared as an infusion, with twigs and leaves immersed in boiling water in order to produce a tisane. Traditionally it is made in a vessel which is then shared among friends.