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> Biscuits and crisps are generally considered to be ultra processed foods, despite containing only basic ingredients

Depends on if they’re ultra processed or not.

If they won’t stale for weeks, they’re ultra processed with preservatives and/or solvents. If they go stale and have a simple ingredients list, they probably aren’t.

(And kids don’t need to be habituated to having either with every lunch.)



Salt is a preservative, vinegar is a solvent. Individually or combined they can prevent spoilage indefinitely.

So no, it’s a lot more arbitrary than that.


> Salt is a preservative, vinegar is a solvent.

Sure. But they’re commonly in kitchens and simply produced, making their status as Group 1 and 2 Nova foods unambiguous.




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