The company introduced many new products, including Vibramycin, Minipress

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During World War II, Pfizer produced penicillin, a life-saving antibiotic that helped save countless lives on the battlefield. After the war, Pfizer focused on developing new antibiotics and other drugs to treat a variety of conditions.



Pfizer, then a brick-and-mortar company, has since focused on topping the charts and making a name for itself in the healthcare industry.

In 1919, a physician named James Curie, with the help of his assistant, Jasper Kane, found a way to produce citric acid from sugar through fungal fermentation. This massive production made Pfizer independent of European citrus growers. In 1924, Pfizer celebrated a milestone of 75 years of pharmaceutical prowess, with 306 employees at the time in its Brooklyn plant.

In 1936, a Pfizer employee, Dr. Richard Pasternack, created a way to produce ascorbic croatia phone number data acid (vitamin C) without the usual fermentation process. Pfizer quickly became the world's largest manufacturer of vitamin C, and they quickly expanded and soon moved into the production of vitamins B2 and B12.

In 1950, Pfizer expanded its production to include antibiotics such as Terramycin, which treated a wide range of infections. This marked a turning point for the company after it had produced penicillin.

From 1951 to 1999, Pfizer continued to grow and diversify in the postwar years. , Feldene, Glucotorol, Unasyn, Procardia, and Viagra, all of which quickly became bestsellers.