Bitter Orange is often used as a dietary supplement as a food flavouring ingredient. As a supplement, it is one of the most popular fat-burning ingredients on the market as it contains an important ingredient called Synephrine. This property is known to burn fat, increase energy levels and your metabolic rate, and to help promote overall weight loss. Synephrine helps the body constrict blood vessels and increase blood pressure and heart rate. It is also commonly taken by athletes to help improve their performance and boost their energy levels. It has also been used as a medicine to battle indigestion, nausea, constipation, heartburn, and nasal congestion. You can also apply it to the skin to ward off fungal infections, athlete's foot, and ringworm.

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.

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.

Green Tea Extract is of immense use to treat body ache, headaches and poor digestion. The green tea extract contains polyphenols to high levels and is an opulent source of antioxidant. It has the power of fighting free radicals more than vitamin E. the polyphenols present in green tea extract protect against respiratory and digestive infections. It blocks the carcinogens actions that promotes cancer and reduces the cholesterol levels. Green tea extract helps in metabolizing fat. The dieters can feel the weight loss without side effects and jitters. The green tea extract decreases the heart disease risk and also helps in preventing liver failure. The benefits of green tea extract are many, but as it contains caffeine, medical experts should be consulted prior to using it. Green tea extract also defends dental plaque. Green tea extracts prevents even liver transplant failure, but pregnant women should take green tea only after doctor consultation.

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.

L-Phenylalanine- The human body needs L-Phenylalanine for survival as it is an essential amino acid. It is found in food items that are rich in protein such as eggs, meat, dairy products, beans and fish. Since the body cannot produce L-Phenylalanine from other chemicals, you need to increase the intake of protein for fulfilling the nutritional needs. L-Phenylalanine is one of the chemical forms of Phenylalanine, an amino acid. It helps in building up of several proteins produced by human body. L-Phenylalanine supplements act as an appetite suppressant as it initiates the release of cholecystokinin, an intestinal hormone. Once this hormone enters the stomach, it signals your brain that you are not hungry anymore. According to experts, you should not take more than 500-1000 mg of L-Phenylalanine per day.

Quercetin is a flavanoid derived from plants and is widely used as a nutritional supplement. There are many studies which are being conducted to exactly determine the benefits of Quercetin. It is said to have antioxidant and anti-inflammatory properties and hence is being tested to help curb and cure terminal diseases like cancer. The high intake of fruits and vegetables is good for cancer treatments. Many researchers believe that these qualities of Quercetin are what allow it to be used for treating cancer as well. Quercetin is classified into the IARC group 3; which categorizes food and drugs as that which are not carcinogenic.