Is Melengestrol acetate Banned? EU vs US Status, Risks & Where It Hides
TL;DR: Melengestrol acetate is banned in the EU but allowed in the US (hormones).
CAS 2919-66-6.
Other names: MGA
Is Melengestrol acetate banned in the EU?
| EU status | Banned |
|---|---|
| US status | Allowed |
| Risk level | high |
| Where it shows up | beef |
| CAS number | 2919-66-6 |
What is Melengestrol acetate?
Melengestrol acetate is a synthetic progestin fed to feedlot heifers to suppress estrus and boost growth.
Why is Melengestrol acetate used in food?
Producers use it to increase weight gain, milk output or feed efficiency.
Is Melengestrol acetate dangerous? Documented risks
Banned in the EU as a hormonal growth promoter.
Common US products containing Melengestrol acetate
- beef
How to avoid Melengestrol acetate: safer alternatives
Choose organic, grass-fed or 'no added hormones' certified meat and dairy, or EU-imported products. BannedPantry flags conventional animal products linked to banned hormones.
Frequently asked questions about Melengestrol acetate
Is Melengestrol acetate banned in the EU?
Yes — Melengestrol acetate is banned in the European Union, while it remains allowed for use in the United States.
Is Melengestrol acetate allowed in the US?
Melengestrol acetate is allowed in the United States. US regulators have not imposed the same restrictions that apply across the EU.
Why is Melengestrol acetate a concern?
Independent reviews flag Melengestrol acetate for documented health or environmental risks, which is why EU regulators acted while the US has not.
How do I avoid Melengestrol acetate?
Choose certified-organic or EU-imported products, check labels, and scan barcodes with BannedPantry to flag Melengestrol acetate instantly.
Scan any product's barcode and instantly see if it contains Melengestrol acetate or other ingredients banned overseas.
Scan a product free →Related hormones
Avoiding banned food additives? Check your beauty shelf, too.
Sources
- Banned ingredients in other countries — Food Revolution Network
- EFSA food additives — EFSA
- FDA Food Additives — U.S. FDA
Our scores are never influenced by brands. Last updated 6/11/2026.