Career
He practiced medicine in Berlin until 1934, when he emigrated to New York City. Zülzer is remembered for his work with diabetes mellitus. He had some success using pancreatic extracts on diabetic dogs, and in 1906 injected an extract called "Acomatrol" into a dying diabetic patient who was in a coma.
At first the patient showed improvement, but later suffered from side effects, and died when the Acomatrol supply was exhausted.
Acomatrol was based on an extract from calf pancreases, and was manufactured by a local company in Berlin.