Hauppauge, NY According to Ralph Perna, executive managing director of Newmark Knight Frank, American Regional Health has purchased 45 Adams Ave. for $4 million. The seller was Forest Labs/Allergan Pharmaceutical. The 28,000 s/f industrial property is situated on 2.03 acres. The buyer will be manufacturing nutraceticals (vitamins) in the new facility. Perna represented the buyer and seller.