Carol Helerstein and Alan M. Helerstein have listed for sale their four-bedroom, 2.5-bath home at 26 Old Brook Road in Dix Hills for $779,000.

Ursula Buttafuoco of Exit Realty Premier is the agent for the listing. The house was built in 1969 in the East of Deer Park Road neighborhood.

Ms. Helerstein is a licensed clinical nutritionist in Long Island.

Previously, she was the director of nutrition at ZoneChefs and counselor at Zone Cuisine.

She received her B.A. and M.A. from the City University of New York and her M.S. and Ph.D. from the International University of Nutrition Education in Huntington Beach.

According to BlockShopper.com, there have been 160 home sales in Dix Hills during the past 12 months, with a median sales price of $575,000.

Address: 26 Old Brook Road
Buyer(s): Nicholas Sarrocco and Lisa M Sarrocco
Seller(s): Alan M Helerstein and Carol Helerstein
Sale date: Jul. 14, 2011