Caffeine, a central nervous system stimulant used in Shape-Up as an aid to stay awake, for mental alertness due to fatigue or, in combination with other ingredients for pain relief, and as a power and energy accelerate. Caffeine is available alone as a non-prescription drug over the counter medication, in combination with other non-prescription drugs, and in prescription drug combinations for relief of pain and headache. Like Ephedra, caffeine acts to increase mental alertness while providing additional energy for weight loss and exercise training. Caffeine is more than a stimulant as it goes deep into muscles to provide long lasting power while delaying the onset of muscle fatigue. Also great before working out, caffeine fights fatigue and helps you get ready for your workout. For dieters feeling sluggish that need just a little something extra to get them through the day, caffeine is the obvious no-calorie stimulant solution. Many products containing caffeine anhydrous contain as much caffeine as one or two cups of coffee. It is recommended to limit the use of caffeine containing medications, foods, or beverages while taking caffeine supplements as excess caffeine intake may cause nervousness, irritability, sleeplessness and occasional rapid heart beat.

Chromium Picolinate - The popular nutritional supplement, which has been invented to treat chromium deficiency, is also a popular weight loss and muscle growth product. Due to the chromium role it plays in sugar and lipid metabolism in humans, it has been deemed helpful as a supplement, in particular with the body building communities. The argument is that chromium picolinate improves the uptake of glucose by enhancing the effect insulin has in the body, providing better blood circulation. Bad dietary habits, in particular in the United States, have lead to the population verging on the brim of chromium deficiency. Body Building aficionados really require a wholly balanced diet, which in turn requires adequate amounts of chromium be present in the metabolism, even more so if the individual is practicing a serious exercise program.

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.

Guggulsterone- Commiphora wightii, or the so called Guggul tree is a flowering shrub or rather a small tree which can grow up to a size of 4 meters. Once very common in India, it is now there listed as endangered, but not in northern Africa or elsewhere in central Asia. It was very popular in the Indian Ayurvedic medicine, but also currently in the western medicine for treating of heart problems. The hydrocarbon secretion of Guggul contains a plant sterol, guggulsterone, which in the human body seems to act as an antagonist to the farnesoid X receptor. Furthermore, guggulsterone is active in increasing the natural thyroid production. This in turn stimulates the metabolism and may raise the body temperature, burning stored excess fat.

Kola Nut, bitter brown seed that contains caffeine. Once used to make cola soft drinks, Kola Nut has been replaced by artificial flavourings in most beverages.

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.

Theobromine, which is a mild diuretic and mild stimulant. Theobromine can be found in cocoa and chocolate products. Theobromine is most commonly used for its diuretic effect.

Vitamin B12 is a water-souble member of the vitamin B complex. Requirements are in the microgram range, which is lower than the milligram range of the other B vitamins. Vitamin B12 is involved in the production of red blood cells and is usually known as the anti-anemia vitamin.

Vitamin B16

White Willow Bark possesses salicin that offers identical effect as aspirin and exhibits no side effects. This is the basis for aspirin synthesis. Chinese healers used it to control pain and the Native Americans also understood the value of it to get relief from headaches as well rheumatism. This also reduces fevers. The advantage of white willow bark is that it also helps in reducing weight and aids the diet goals. It is an anti-inflammatory and is analgesic, anti-rheumatic, fever reducer and gives relief from inflammatory pains such as rheumatism, carpal tunnel syndrome and arthritis. White willow bark is found in Asia and Europe. Taking one or two capsules at mealtimes is recommended. However, this dosage should not be exceeded. This does not exhibit significant side effects, but the tannins present in the white willow extract may result in stomach upset and may trouble if a person is allergic to aspirin.