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CalorieMate is a brand of nutritional energy bar and energy gel foods produced by Otsuka Pharmaceutical Co., in Japan. It was first released in 1983 debuting with a cheese flavored block. CalorieMate comes in several forms, including Block, Jelly, and Can. CalorieMate Block resembles a bar-shaped cookie, sold in packs of either two or four. CalorieMate Jelly is a gelatin sold in a pouch with a spout. CalorieMate Can is a canned drink.

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Clif Bar & Company is an American company that produces organic foods and drinks. The company's flagship product, CLIF Bar, was created by Gary Erickson and Lisa Thomas. The company is based in Emeryville, California, and is privately held. In April 2013, Kevin Cleary was named CEO of the company, Rich Boragno was named CFO, and co-owners Erickson and Kit Crawford became co-chief visionary officers. In 2018, Cleary departed the company and Erickson and Crawford became co-CEOs, positions they held previously.

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Energy bars are supplemental bars containing cereals and other high energy foods targeted at people who require quick energy but do not have time for a meal.

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GU Energy Labs is a company based in Berkeley, California, that produces performance sports nutrition products, most notably energy gels. Usually consumed during endurance events, the gels are designed to be quickly and easily digested. Other products include energy chews, drink mixes, brew tablets, and a Roctane Ultra Endurance line that includes an energy drink mix and gel. The company was founded in 1994 by Bill Vaughan, who began creating an energy gel product in 1990. GU is considered the first major distributor of energy gels. The company has grown over time, and in 2011 its corporate headquarters and 50 employees relocated to a larger space in Berkeley's 4th Street shopping district. It is now run by Bill's son, Brian Vaughan, who serves as president.

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Lärabar is a brand of energy bars produced by General Mills. The bars come in a variety of flavors such as Apple Pie, Carrot Cake, and Mint Chip Brownie.

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LUNA Bars are a brand of nutrition bar created by Clif Bar & Company in 1999. The product was the first nutrition bar aimed at women. The brand has expanded to cover nutritional drinks, protein bars, and LUNAFEST, a woman's film festival.

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PowerBar is an American brand of energy bars and other related products including sports drinks, gels, and the Pria bars targeted at women.

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RXBAR is a protein bar produced by Chicago Bar Co., which is owned by Kellogg's. It is made with egg whites, dried fruit, nuts, and dates.

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The Soldier Fuel bar, formerly known as Hooah! bar, is a dairy-based calcium-enriched energy bar created by the United States military in 1996. It was originally provided to military personnel packaged within a field ration, such as the Meal, Ready-to-Eat, Meal Cold Weather, or First Strike Ration.

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Tiger's Milk is a nutrition bar created and introduced in the 1960s by Plus Products owned by James and Arthur Ingoldsby. It was later acquired by Weider Nutrition in the 1980s. The brand is currently owned by McCormick & Company.