The status of the word
Shoppers reasonably assume that a word appearing on thousands of packs must be defined somewhere. For natural, in the general case, it is not. There is no provision in UK food law that sets out what a food must be or must not contain in order to be described as natural.
What exists instead is a set of criteria published by the Food Standards Agency covering the use of a group of terms in food labelling, natural among them. The guidance sets out what the FSA considers appropriate use, and it is drawn on by enforcement officers and by the advertising system when a use is challenged.
Guidance of this kind is not the same as a legal definition. It does not create an offence, and a departure from it is not automatically unlawful. It matters because it shapes how the binding rule, the prohibition on misleading food information, is applied in practice.
What the guidance actually says
The thrust of the FSA criteria is that natural should mean the food is comprised of natural ingredients produced by nature, not the work of man or interfered with by man. Terms of this kind are treated as implying something about how the food came to be, and the guidance addresses when they can fairly be used of a whole food, of an ingredient, and of a flavouring.
Two practical consequences follow. First, the guidance treats the word as making a claim about processing and composition rather than about quality, safety or nutrition. Second, it distinguishes between describing a whole product as natural and describing a component of it that way, which is why so much pack wording attaches the word to a specific ingredient rather than to the product.
Flavourings are a special case with their own rules. The description of a flavouring as natural is governed by specific legal provisions, with conditions about the origin of the flavouring substances. This is one of the few places where the word does have a legal test attached.
| Term | Backed by | Testable |
|---|---|---|
| Organic | Legal definition and certification | Yes, through the certifier code |
| Free range, for eggs | Marketing standards with defined conditions | Yes |
| Protected designation of origin | A registered specification | Yes, through the register |
| Gluten-free | Specific rules with a defined threshold | Yes |
| Natural | FSA guidance and the general misleading rule | Only in context |
| Traditional | FSA guidance and the general misleading rule | Only in context |
| Artisan | Nothing specific | No |
Structure set out by this newsroom from the published rules named in the sources below. It is not a survey, a measurement or a market study.
The rule that actually binds
The operative constraint is that food information must not be misleading, particularly as to the nature, identity, properties, composition, quantity, durability, country of origin or place of provenance, and method of manufacture or production of the food.
That is a broad standard applied to a specific pack, in context, from the perspective of the average consumer. The same word can be acceptable on one product and misleading on another, depending on what else the pack says, what the product actually is, and what impression the whole conveys.
Enforcement sits with local authority trading standards and environmental health services, and in advertising with the Advertising Standards Authority under the CAP and BCAP codes. The ASA publishes its rulings, and they are the most accessible record of where the line has actually been drawn in individual cases.
Why the gap exists
It would be easy to treat the absence of a definition as a failure of regulation. The reality is more interesting.
Defining natural for food generally is extremely difficult. Almost all food is processed in some way, including by cooking, and almost all agricultural production involves selection, breeding and intervention. Any threshold drawn would either capture products that shoppers would not think of as natural or exclude products they would.
Where definitions have been achievable, they exist. Organic is defined, because the object of the definition is a production method with auditable rules. Free range is defined for certain species, because the object is a housing condition that can be inspected. Natural has no comparable object. It describes a feeling about provenance rather than a practice.
This is the general pattern across food marketing wording. Terms that describe a documented practice tend to end up defined. Terms that describe an impression tend not to.
How to read the word usefully
The productive move is to treat natural as a pointer rather than a fact, and then look for the facts it is pointing at.
If the word is attached to a specific ingredient, the ingredients list will tell you whether that ingredient is present and where it ranks, and a quantitative declaration may tell you how much. If it is attached to a flavouring, the flavouring rules give it a testable meaning. If it is attached to a production method, look for whether a defined scheme term appears alongside it, because a producer entitled to use a defined term generally uses it.
And if the word is attached to nothing in particular, floating across a front panel on its own, then the useful conclusion is that the pack has chosen a word that carries an impression without carrying a commitment. That is not an accusation. It is a description of what the word is doing.
The neighbouring words
Natural travels with a family of terms that share its position: pure, fresh, traditional, real, and various words about simplicity. The same FSA criteria address several of them, and the same analysis applies. Each is governed by guidance and by the general misleading standard rather than by a threshold.
Fresh is the most interesting of the group, because it can carry a genuinely testable meaning in some contexts, for example where it is used in relation to a defined product category with its own marketing standards, and no testable meaning at all in others.
The recurring theme of this publication is that the strength of a word on a pack depends on whether anything is standing behind it. For this family, in general, the answer is guidance rather than law.
Where this stops
None of this concerns whether a food is good for you. Natural is not a nutrition claim and carries no nutritional meaning, and this publication takes no view on the merits of any food. For diet and health questions, the NHS and a registered dietitian are the right sources.