Caffeine is a methylated xenthine discovered in 1819 by Friedrich Ferdinand Runge, a German chemist. Sources of Caffeine include beans, fruit and leaves of some plants. Caffeine available for human consumption is most commonly extracted from the coffee plant cherries and tea bush leaves, as well as foods and drinks that contain products derived from the kola nut. Caffeine can temporarily reduce the sensation of being tired; however, this does not mean that it eliminates the need for sleep. Generally, twenty five to fifty milligrams of caffeine is enough for most consumers to report an increase in alertness and arousal. Caffeine should be not be consumed by those with fecal incontinence as it relaxes the internal anal sphincter muscles.

Cayenne, which contains Capsaicin, a thermogenic substance. A thermogenic raises your core temperature, which allows you to burn more calories from food, particularly when eating a high fat meal.

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.

Evodiamine, an alkaloid extract from the Evodiae Fructus plant is known as Evodiamine. It has been referred to as a “hot nature” herb in Chinese literature and medicine. Based on animal studies, Evodiamine increases the natural fat burning rate and stimulates vanilloids for reduction of fat intake. It increases body temperature, influences the adrenal glands to secrete catecholamines and also affects the metabolism of certain drugs. Since it acts like a thermogenic and increases the overall temperature, more fat and calories are burnt due to its intake. This alkaloidal compound has anti obesity effects due to UCP1 (uncoupling protein 1) thermogenesis. In part, evodiamine can prevent diet induced obesity from developing further. It is available in the form of supplement or through Evodiae Fructus plant.

Green Coffee Extract- Diet Pills are not always a recommendable way to lose the excess weight. One needs to switch to more natural extracts as a supplement to loss weight like the Green coffee extract. Diet pills that carry green coffee extracts are very effective in a unique way. This enhances fat burning ability in the body while discouraging burning carbohydrates that are stored as fat in body. Studies have proved that volunteers have on an average lost about 11 pounds in 2 months while consuming diet pills containing Green Coffee extracts. The body is not under any stress while consuming Green Coffee extract diet pills. They are safe to consume and have been tried and tested methods of loosing weight effectively.

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

L-Tyrosine is a non essential amino acid occurring in the body. L-Tyrosine may be created from the synthesis of phenylalanine which is also an amino acid. It is one of the building blocks of proteins in the body. It is also a precursor for several neurotransmitters such as L-dopa, dopamine, epinephrine and norepinephrine. It helps treat and prevent illness such as Parkinson’s disease, Alzheimer’s disease, depression and other such mood disorders. It also helps protect the body from free radical damages. It also helps protect the skin from UV rays damages on the skin by aiding in the production of melanin. It also helps in increasing the metabolic rate that speeds up muscle building and fat loss. It also increases the endurance.

Naringin, which is a citrus flavanoid that is found in grapefruit. Naringin is commonly used in energy supplements as it may extend the duration of the effects of caffeine.

Phenylalanine- (S) alpha Amino beta phenylpropionic acid, or L-Phenylalanine, is an essential, electrically neutral amino acid, one of the twenty amino acids that are used by the human body to create proteins. L-Phenylalanine can also be turned into L-Tyrosine, also an amino acid, which converts into L-DOPA, a precursor to catecholamines like epinephrine, norepinephrine and dopamine. While it is naturally found in breast milk and also milk of mammals, it is also a component of the artificial sweetener aspartame, found in many diet soft drinks. Other sources of phenylalanine include beef, poultry, pork, seafood, sesame seeds, soy milk, walnuts, flax seed, cottage cheese and asparagus. Although widely available through food, L-Phenylalanine is also marketed as a supplement, particularly for body builders where muscle growth is the main factor.

Phenylethlamine HCL is a salt of phenylethylamine. It is a crystalline solid and is formed by treating phenylethylamine with HCl. Its IUPAC name is 2 phenylethylamine HCl. The scientific name elucidates its chemical structure. It is an aromatic compound meaning that it has a basic benzene ring. It further has a two carbon chain attached at position 2 of the ring and the chain terminates in an amino group. It occurs naturally in some foods like chocolates but the food item might get metabolized too quickly sometimes for it to have a significant effect on the body. This substance has quite profound effects on the level of dopamine in the central nervous system, provided it passes the blood brain barrier. It increases dopamine level and at the same time inhibits dopamine transmitters resulting in a buildup of dopamine in the brain. While excessive levels of dopamine in the CNS are not healthy, the neurotransmitter does regulate cognition, mood, voluntary movement and other brain functions.

Vinpocetine, a memory enhancer. Vinpocetine makes cerebral microcirculation (blood flow) easier, increases brain cell ATP production, and increases useability of glucose and oxygen.

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 B3, commonly called Niacin, exists in two main forms, niacin and niacinamide. The niacin form produces a flushing and itching of the skin when taken at higher dosages and this feeling is only temporary.

Vitamin B5, commonly called Pantothenic acid, it is a water-soluble member of the vitamin B complex. Pantothenic acid is involved in adrenal gland function and is required to fight stress.

Vitamin B6 allows the metabolism of amino acids, carbohydrates, as well as lipids to take place, also aids in keeping skin vibrant.