Cayenne Fruit Extract, Cayenne pepper, Guinea pepper and Bird pepper, is a red fruit of the Capsicum annuum, a hot chili pepper which received the name from the city of the same name, Cayenne, in French Guiana, used as a spice in many cuisines. Cayenne fruit extract has a substance as an ingredient, similar to resin, named capsaicin. In clinical trials many sometimes conflicting results have been achieved, predominantly in connection with cancer cells and intestinal problems. Nevertheless, it has been observed that chili peppers reduce the amount of insulin in blood, LDL cholesterol oxidation was delayed, may be helpful in treatment of Type 1 diabetes, and is probably very helpful in obesity treatment and weight control programs. Cayenne fruit extract is generally available as a nutritional supplement, in mixes with other weight loss agents.

Citrus Aurantium, More commonly called "bitter orange", which is taken from unripe oranges. Research shows that citrus aurantium can increase the metabolic rate without affecting heart rate or blood pressure, breaks down fat, burns calories and may act as an appetite suppressant.

Ginger Root- Although used in cooking ginger is also used as a medicine. Medically it is a carminative, i.e. something that prevents the formation of intestinal gas, and as a stimulant, and is widely used for both colic and dyspepsia. Pregnant women are often recommended to eat ginger in the mornings in order to avoid morning sickness. It is generally safe to take although it is contraindicated in those taking Warfarin and also in those with gall stones as it can stimulate the liver’s production of bile. There is some evidence that ginger can ease arthritic pain and it is possible that it has blood thinning properties and may lower cholesterol levels

Green Tea Extract increases energy expenditure and affects fat oxidation, which therefore promotes weight loss by increasing the body's metabolism.

Guarana is a climbing plant of the Sapindaceae family native to the Amazon basin. Guarana is best known for its fruit and seeds. Guarana extracts contain naturally high amounts of caffeine which the plant uses in defense against pathogens. Its extracts are a natural and abundant source of caffeine in most parts of the world. It is added to soft drinks, herbal tea, energy shots and used in capsules. The extracts have a positive effect on cognition and they also increase memory retention and physical endurance. A 2007 study on human pilots showed its positive effects on memory, alertness and mood. It is also reported to have antioxidant and antibacterial effects.

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.