Powdered caffeine, also recognized under the dubs caffeine anhydrous, caffeine and synthetic caffeine is a substance that can stimulate the brain. Natural caffeine is extracted from the seeds of coffee and synthetic caffeine is the replacement of pharmaceutical grade kind. 

Powdered caffeine is an intensely bitter white crystalline powder valued for its psychoactive stimulant power. Since it acts as a stimulant for the brain, exerts its effects by stimulating the minds of the same mechanisms of action used by amphetamines, heroin and cocaine as a substance that can cause addiction. But its stimulant effects are weaker than others. However, it follows the same path to the fire of the brain, so you can become dependent on them. For this reason, people who depend on it would be difficult to function normally without it, and therefore must have a daily dose of the same, leading to their maintenance of powdered caffeine or other sources, such as drinks and other foods that contain them. 

Although pure powdered caffeine can be purchased online stores and grocery stores, caffeine can be ingested through the consumption of coffee, tea, soft drinks, and sports or energy drinks. The Food and Drug Authority to control the use of this drug only when used as a food additive. That's why the food and beverage producers should read the label when caffeine is added as an ingredient in their products. However, when this substance is related to the components necessary to manufacture a food product, as when added to chocolate candy, labeling is not required.