Caffeine is a stimulant that is used to stay awake and it gives mental alertness from fatigue. This is used as an adjunct for pain relief and also as energy accelerates. Caffeine is a non-prescription drug easily available as over the counter medication and comes in combination to acquire relief from headache and pain. Caffeine increases the mental alertness by offering the required energy for exercise training and weight loss. Caffeine cannot be considered as a mere stimulant as it reaches deep into muscles and provides power that is long lasting. Caffeine taken before any work out is also great as it fights the fatigue and keeps the person ready for the workout. Dieters also find caffeine as the solution as they feel sluggish. This is a no-calorie stimulant and does its job effectively and quickly. Caffeine anhydrous is found even in one or two coffee cups. However, this limitation is recommended as excess caffeine may result in irritability, rapid heart beat, nervousness and sleeplessness.

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.

Garcinia Cambogia, native to Southeast Asia, is a tropical fruit which belongs to the citrus family. This Indian and African fruit is extremely popular for its extract hydroxycitric acid. Without suppressing your appetite or stimulating the brain, this acid acts as an effective weight loss supplement. It not only provides the required energy but also improves the signaling system of the body. When the signaling system gets better, the brain is informed by the body that it is full. This system is not very active in obese people, which is why they eat a lot. Garnicia Cambogia extract of hydroxycitric acid is more effectual when used with chromium. The intake of chromium in western countries is very low, due to which people become diabetic or obese.

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.

Hoodia Gordonii grows in Namibia and South Africa naturally. It is a leafless spiny plant useful for medicinal purposes. These flowers are pollinated by flies mainly as they smell identical to rotten meat. Hoodia is known long by indigenous population and is infrequently used for treating small infections and indigestion. This is used to suppress appetite during long hunting trips such as Kalahari Desert that interests more tourists. Hoodia Gordonii was prominent for it appetite suppressing effect and hence was collaborated with Pfizer, a pharmaceutical company to deal with obesity. However, it was stopped as it is stated to have indications of effects on liver. Hoodia Gordonii is wild harvested by individuals as well as by few companies that are granted license. However, there is no evidence of Hoodia working in humans as appetite suppressant. Due to the lack of clarity and fear of breaking down of liver, it is not recommended for obesity.

Vitamin B5, also called Pantothenic acid, which is a water-soluble vitamin required by the human body. Vitamin B5 is needed to form coenzyme-A (CoA), and is vital in the metabolism and synthesis of carbohydrates, proteins, and fats.

White Willow Bark, or Salix alba, is a willow commonly found in Europe and adjacent parts of western and central Asia. The bark of the White Willow has been used for centuries against fevers and to ease pains and aches. Already Hippocrates wrote about the White Willow bark powder two thousand five hundred years ago. The active ingredient of the White Willow bark is called salicin, a relative to aspirin and chemical derivative of the salicylic acid. When ingested, salicin is converted to salicylic acid, a beta hydroxy acid. As a nutritional supplement, White Willow products are being propagated as weight loss additives, whereby the scientific community has yet to provide any corroboration to this allegation. Besides the well known anti inflammatory characteristics, any other uses have not been approved by the FDA.