# Ovoferrin

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**Ovoferrin** was a [dietary supplement](/source/Dietary_supplement) originally produced in the [United States](/source/United_States) by A.C. Barnes Company[1] of [Philadelphia, Pennsylvania](/source/Philadelphia,_Pennsylvania)[2] and later by [Zonite Products Corporation](/source/Zonite_Products_Corporation), which acquired A.C. Barnes Company in 1929.[1] The product grossed approximately $400,000 annually in 1929.[2] Both Ovoferrin and [Argyrol](/source/Argyrol) continued to be exclusively manufactured by A.C. Barnes Company, which became a subsidiary of Zonite Products Corporation. On January 2, 1946 Ovoferrin and Argyrol were assigned to [Erwin, Wasey & Company](/source/Erwin,_Wasey_%26_Company), a [New York](/source/New_York_City) based advertising agency.[3]

## Chemical composition

Ovoferrin was advertised as a supplement for [iron](/source/Iron) and [Vitamin B](/source/Vitamin_B).[4]

Ovoferrin's manufacturer described its makeup as being neutral in reaction. A tablespoon was stated to be equivalent to a single grain of elementary [iron](/source/Iron). When [potassium ferrocyanide](/source/Potassium_ferrocyanide) is added to Ovorferrin no change is observed. However the addition of [hydrochloric acid](/source/Hydrochloric_acid) to Ovoferrin produces a well-known color and precipitate of [Prussian blue](/source/Prussian_blue). This indicates that hydrochloric acid changes Ovoferrin, producing an [inorganic](/source/Inorganic) iron.[5]

## References

1. *Inquiring Investor*, [Wall Street Journal](/source/Wall_Street_Journal), November 29, 1930, pg. 11.

1. *Zonite Capital Plan Approved*, Wall Street Journal, July 12, 1929, pg. 9.

1. *Advertising News and Notes*, [New York Times](/source/New_York_Times), October 10, 1945, pg. 25.

1. ["Ovoferrin"](https://americanhistory.si.edu/collections/search/object/nmah_209832). *National Museum of American History*. Retrieved 2019-09-01.

1. *American Druggist and Pharmaceutical Record*, American Druggist Publishing Company, 1904, pg. 171.

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