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Alan Kligerman is the founder of AkPharma Inc. which makes and markets specialty products centered around food acid neutralization, including Prelief.

In 1974, Alan Kligerman started the business that was to become Lactaid Inc., now the world's leading company in the field of lactose-reduced milk and dairy products. He invented a calcium-fortified milk that is still the largest seller in the U.S. Lactaid Inc. was purchased by Johnson & Johnson in 1991. Mr. Kligerman then developed Beano®, an enzyme-based product for better digestion of numerous vegetables. This company is also the largest in its field and was sold to Block Drug Company in 1997.

Prior to founding Lactaid, Kligerman worked in the family business, Kligerman Dairies, both as a boy on the routes and later as an adult. The dairy was started in 1918 and operated until about 1964. He left the dairy in 1957 to start his own ice cream routes which evolved over some years into a specialty business, SugarLo Company, which made and sold dietary ice cream in most of the U.S. and Canada.

Alan Kligerman attended Cornell University.