FD&C Green No. 3
Medically reviewed by Drugs.com. Last updated on Jun 9, 2025.
Excipient (pharmacologically inactive substance)
What is it?
FD&C Green No. 3, also known as Fast Green FCF is a food, drug and cosmetic synthetic dye with an aquamarine color. It is listed as a safe additive by the FDA. However, the European Union does not allow the use of Fast Green. This substance has been found to have tumorigenic effects in experimental animals, as well as mutagenic effects in both experimental animals and humans.[1] It's use in coloring foods, pharmaceuticals and cosmetics may be of quantities allowable by the U.S. FDA.
Some examples of medications containing FD&C Green No. 3
- Advil Liqui-Gels 200 mg
- Cephalexin 500 mg
- Dexamethasone 4 mg
- Dexamethasone 6 mg
- Diltiazem Hydrochloride Extended-Release 120 mg
- Diltiazem Hydrochloride Extended-Release (CD) 300 mg
- Diltiazem Hydrochloride Extended-Release (CD) 120 mg
- Hydroxyzine Pamoate 50 mg
- Hydroxyzine Pamoate 25 mg
- Ibuprofen 200 mg
- Ibuprofen 200 mg
- Indomethacin 50 mg
- Methylphenidate Hydrochloride 10 mg
- Methylphenidate Hydrochloride 10 mg
- Nortriptyline Hydrochloride 10 mg
- Omeprazole Delayed-Release 40 mg
- Prazosin Hydrochloride 1 mg
- Prevacid 24HR 15 mg
- Temazepam 15 mg
- Zaleplon 10 mg
References
- Electronic Code of Federal Registers. Title 21: Food and Drugs. Part 74. Listing of color additives subject to certification. Subpart B. Drugs. Accessed online October 19, 2011. http://ecfr.gpoaccess.gov/cgi/t/text/text-idx?c=ecfr;sid=c387334e82029536a53dde1171ba5481;rgn=div5;view=text;node=21%3A1.0.1.1.27;idno=21;cc=ecfr#21:1.0.1.1.27.1.31.6
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.