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The US and international formulas are not the same— here's exactly what changed and why.
McDonald's USA
| Ingredient | 🇺🇸 US Version | 🌍 International | Status |
|---|---|---|---|
| Dimethylpolysiloxane | ✅ Not present | ✅ Not present | Banned Overseas |
The same company makes both versions — but they use different formulas depending on where the product is sold. In the EU, UK, and Canada, regulations require either banning certain additives outright or mandating warning labels (e.g., "may have an adverse effect on activity and attention in children" for certain synthetic dyes).
Rather than print warning labels, most manufacturers reformulate the product for international markets — using natural colorants like paprika extract, beetroot concentrate, or spirulina instead of petroleum-derived synthetic dyes.
The US FDA has a different standard: it deems additives "Generally Recognized as Safe" (GRAS) based on older safety data, while EFSA (the European Food Safety Authority) applies stricter precautionary principles and requires manufacturers to prove safety rather than assume it.
US McDonald's McNuggets are cooked in oil containing dimethylpolysiloxane — a silicone-based antifoaming agent also used in silly putty and silicone caulk. While permitted in the US, its use in food-grade frying oils is more restricted internationally. The UK version does not list this additive in its nugget formulation. McDonald's UK uses 100% chicken breast meat sourced from British and Irish farms with a visibly simpler ingredient declaration.
Find clean brands without these ingredients — organized by category.