Propyl Gallate vs Advantame: which is worse?
Quick answer: Propyl Gallate carries the heavier risk profile. Propyl Gallate is — in the EU and — in the US; Advantame is — in the EU and — in the US.
| Property | Propyl Gallate | Advantame |
|---|---|---|
| EU status | — | — |
| US status | — | — |
| Risk level | — | — |
| Banned in | Japan (banned for food use) | — |
| Restricted in | European Union (restricted to 200 mg/kg in specific fat/oil applications), United Kingdom, Australia | European Union (ADI 5 mg/kg body weight) |
| Category | additive | additive |
| Where it hides | — | — |
What is Propyl Gallate?
Propyl gallate is a synthetic antioxidant preservative derived from gallic acid and propanol. It prevents oxidation of fats and oils, extending shelf life of fat-containing foods. It is often used in combination with BHA and BHT for synergistic antioxidant effect. Chemical formula: C10H12O5.
What is Advantame?
Advantame is the newest FDA-approved synthetic sweetener, approved in 2014. Like neotame, it is a structural derivative of aspartame but with a vanillin-derived substituent. It is approximately 20,000 times sweeter than sucrose — the most potent sweetener currently approved for food use in the US.
Documented risks
Propyl Gallate: Animal studies have shown propyl gallate may cause liver damage at high doses. Concerns about estrogenic activity have been raised — some studies suggest propyl gallate may weakly mimic estrogen. Contact dermatitis and allergic reactions are documented in both food and cosmetic applications. Japan banned propyl gallate for food use as part of its precautionary approach to synthetic food preservatives. NTP bioassays found dose-dependent liver effects. EFSA's re-evaluation set an ADI of 0.1 mg/kg body weight — one of the lowest ADIs for food additives, reflecting toxicological concern.
Advantame: Advantame is the newest approved high-intensity sweetener with the least post-approval safety data. The FDA approval was based on extensive pre-market animal studies showing no significant toxicity, carcinogenicity, reproductive toxicity, or neurotoxicity at relevant doses. EFSA approved it for EU use in 2014, finding no safety concerns based on the submitted data. Like other synthetic sweeteners, advantame has not been studied for long-term effects in large human populations post-approval. The same gut microbiome and glucose tolerance concerns raised for other sweeteners (aspartame, sucralose, acesulfame K) have not been specifically studied for advantame, though the class-wide concerns are relevant. Given its 2014 approval date, independent long-term safety studies are still limited.
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