Silicon Dioxide Colloidal

Excipient (pharmacologically inactive substance)

What is Silicon Dioxide Colloidal?

Silicon dioxide (SiO2), or silica, is known in nature as sand or quartz. It occurs naturally in the earth’s crust, and silicates are present in water, animals and plants. Silicates are also consumed as part of the natural human diet.

In the pharmaceutical industry, silicon dioxide (also known as colloidal silicon dioxide) has many uses in tablet-making: some include as an anti-caking agent, adsorbent, disintegrant, or glidant to allow powder to flow freely when tablets are processed. These compounds appear to be biologically inert. Silicon dioxide is generally recognized as safe by the FDA.[1][2]

[1] 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

[2] FDA’s SCOGS database; Silicon dioxides, Report No. 61, 1979.; ID Code: 14808-60-7; http://www.accessdata.fda.gov/scripts/fcn/fcnDetailNavigation.cfm?rpt=scogsListing&id=276; accessed August 12, 2011.

Top Medications Containing Silicon Dioxide Colloidal

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