Zipfizz is an energy supplement

Energy drink

Energy drinks are beverages whose producers advertise that they "boost energy." These advertisements usually do not emphasize energy derived from the sugar and caffeine they contain but rather increased energy release due to a variety of stimulants and vitamins....

 manufactured in Mill Creek, WA, by Zipfizz Corp. Zipfizz, which first appeared in 2004 as a powdered drink mix, in 2006 added a liquid formulation sold in four ounce portion sizes. It differs from other energy drink on the market by its lack of sugar, as it is sweetened instead by a mixture of Xylitol

Xylitol

Xylitol is a sugar alcohol sweetener used as a naturally occurring sugar substitute. It is found in the fibers of many fruits and vegetables, and can be extracted from various berries, oats, and mushrooms, as well as fibrous material such as corn husks and sugar cane bagasse, and birch...

 and Sucralose

Sucralose

Sucralose is an artificial sweetener. The majority of ingested sucralose is not broken down by the body and therefore it is non-caloric. In the European Union, it is also known under the E number E955. Sucralose is approximately 600 times as sweet as sucrose , twice as sweet as saccharin, and 3.3...

. It claims its energy-enhancing attributes from a combination of Arginine

Arginine

Arginine is an α-amino acid. The L-form is one of the 20 most common natural amino acids. At the level of molecular genetics, in the structure of the messenger ribonucleic acid mRNA, CGU, CGC, CGA, CGG, AGA, and AGG, are the triplets of nucleotide bases or codons that codify for arginine during...

 and Caffeine

Caffeine

Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a stimulant drug. Caffeine is found in varying quantities in the seeds, leaves, and fruit of some plants, where it acts as a natural pesticide that paralyzes and kills certain insects feeding on the plants...

 from Green Tea

Green Tea

Green Tea is a 2003 Chinese film. It was adapted from the novel Adiliya by the River by Jin Renshun.Shot in the summer of 2002, Green Tea was one of three films directed by Zhang Yuan that year .The film was photographed by established Hong Kong-cinematographer Christopher Doyle, whose work gives...

 and guarana

Guarana

Guarana , Paullinia cupana, syn. P. crysan, P. sorbilis) is a climbing plant in the maple family, Sapindaceae, native to the Amazon basin and especially common in Brazil. Guarana features large leaves and clusters of flowers, and is best known for its fruit, which is about the size of a coffee bean...

seed extract. It also includes high Vitamin B₁₂ content (41,667% Daily Value).

Reviews (Good & Bad)

http://www.edjunkie.com/reviews/zipfizz%20orange%20soda.html

http://www.edjunkie.com/reviews/zipfizz%20grape.html

http://www.energyfiend.com/caffeine-content/zipfizz-energy-drink-mix

http://www.energydrinksreview.com/

http://www.possessedbycaffeine.com/2008/07/zipfizz-energy-drink-mix.html

http://www.epinions.com/review/Zipfizz_Energy_Sports_Vitamin_Combo_Pack_10_Citrus_10_Berry_10_Pink_Lemonade_Energy_Drink_Mix_30_Tubes_Total/content_414617013892

http://www.dailyblah.com/2006/05/zipfizz-solution.html

http://reviews.samsclub.com/1337/379595/reviews.htm