Excipient (pharmacologically inactive substance)
Medically reviewed by Drugs.com. Last updated on May 22, 2020.
What is it?
FDA regulates color additives used in foods, drugs, cosmetics, and medical devices. Ferric (iron) oxides, also known as ferrosoferric oxides, are inorganic pigments used in the pharmaceutical industry as coating pigment. Iron oxides are also commonly used in the cosmetics industry. Iron oxides for use in pharmaceutical manufacturing may also be synthetic.  
 Dave RH. Overview of pharmaceutical excipients used in tablets and capsules. Drug Topics (online). Advanstar. 10/24/2008 http://drugtopics.modernmedicine.com/drugtopics/Top+News/Overview-of-pharmaceutical-excipients-used-in-tabl/ArticleStandard/Article/detail/561047. Accessed 08/19/2011
 U.S. Food and Drug Administration. Color Additives: FDA's Regulatory Process and Historical Perspectives. Accessed 10/20/2011. http://www.fda.gov/ForIndustry/ColorAdditives/RegulatoryProcessHistoricalPerspectives/default.htm
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