Caffeine, a central nervous system stimulant used in Metabolife Ultra 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.

Cellulose is the structural component of the primary cell wall of green plants, many forms of algae and the oomycetes. Cellulose is not digestible by humans and is often referred to as 'dietary fiber' or 'roughage', acting as a hydrophilic bulking agent for feces.

Dextrin- Hydrolysis of starch helps in producing a group of low molecular weight carbohydrate. This is group of carbohydrates is known as Dextrin. The fermentation of starch during the malting and mashing processes also helps in producing dextrin. Flavor, crispness and color in bread are all due to the dextrin formed during the process of baking. Dextrin is widely used in different forms and for different purposes. Envelope adhesive and paper tubes are made from yellow dextrin in the form of water soluble glues. It is used as addictive in froth flotation in the mining industry. It is also used as green strength addictive for sand casting in the foundry industry. Textile industry uses white dextrin to increase the weight and stiffness of textile fabrics. White dextrin can also be used in the pharmaceutical and paper coating formulations for the purpose of thickening and binding.

Dextrose , otherwise known as D-Glucose, is a carbohydrate of extreme importance. It is given this credit because it is a source of energy for the body. A Monosaccharide is the basic form of a carbohydrate and has no color, but some of them do contain a sweetish taste. D-Glucose generally occurs in plants as a byproduct of the process of photosynthesis. In animals, it is formed by the breaking down of glycogen in the body by the liver and muscles. Besides this, in members of the animal kingdom, its presence is shown in blood and urine. The levels of D-Glucose in the blood can be maintained through the use of insulin. It is also used for the release of energy through respiration.

Di-Calcium Phosphate, also known as calcium monohydrogen phosphate is usually found as a hihydrate. However being a dibasic calcium phosphate, it can thermally be converted to its anhydroius form. Dicalcium phosphate is generally mined from the earth’s crust and may also be known as lime, calcium lime etc. However since di-calcium phosphate is incapable of breaking down completely, it is a poor source of replacing calcium in the bones. Since it contains calcium, Di-calcium phosphate will dissolve in the stomach acid (HCL). However since it is bound to phosphate, it will not be completely soluble. This results in partial dissolution and is insufficient for proper metabolism. This calcium from the di-calcium phosphate could collect in the arteries causing arteriosclerotic heart disease, or it could end up in the tissue making the skin age prematurely etc.

Lecithin is needed by every cell in the body and is a key building block of cell membranes; without it, they would harden. Lecithin protects cells from oxidation and largely comprises the protective sheaths surrounding the brain. It is composed mostly of B vitamins, phosphoric acid, choline, linoleic acid and inositol. Although it is a fatty substance, it is also a fat emulsifier.

Magnesium is essential to all living cells and is a vital component to a healthy diet. Calcium absorption for the body largely depends on magnesium to facilitate this.

Magnesium Stearate is coommonly used as a filling agent in the manufacture of capsules and tablets, such as vitamins, the source of this ingredient is typically bovine. However, there is an increasing number of vegetarian options in which the product specifically indicates it contains magnesium stearate from vegetable sources.

Maltodextrin is a food additive which is a short chained starch sugar. it is a sweetener with less calories than sugar. Often used in supplements.

Sodium Carboxymethylcellulose, also known as cellulose gum, is a food additive that is is commonly used in dairy based foods and deserts. It may also be used as an bulking agent, emulsifier. stabilizer and/or a thickener.

Sodium Citrate is a salt associated with critic acid. It occurs naturally in a variety of foods, including many fruits. It is also an intermediate product of aerobic metabolism in the human body. When consumed in food or produced in the body, sodium citrate quickly degrades into sodium bicarbonate, which functions as an acid buffer. Some studies suggest that taking sodium citrate as a dietary supplement before high-intensity exercise delays fatigue by increasing the availability of sodium bicarbonate in the muscles.

Stearic Acid is a saturated fatty acid that occurs in many animal and vegetable fats and oils. Stearic acid is useful as an ingredient in making candles, soaps, plastics, oil pastels and cosmetics, and for softening rubber. Stearic acid is used to harden soaps, particularly those made with vegetable oil. Even though stearic acid is a saturated fat, studies have suggested that it has little effect on blood cholesterol levels, because such a high proportion is converted to oleic acid.

Synephrine or oxedrine is a drug derived from bitter orange or Citrus aurantium. It is an aromatic compound with the systematic name 4-[1-hydroxy-2-(methylamino)ethyl]phenol which indicates that it has an attached hydroxyl group at para position and a methyl amino group at another position. It is not one of those compounds on which an extensive scientific study has been done. However, it has some positional isomers such as the neosynephrine as well as other compounds. Studies indicate that it could act as a Beta-3 adrenergic receptor which means that if taken as a supplement it enhances the breakdown of fat to release energy and also increases heat production in the muscles.