Nutri-Score Explained: What Does the A–E Food Grade Actually Mean?
Nutri-Score is a front-of-pack nutrition label that grades a food's overall nutritional profile on a five-step scale from A (more favorable) to E (less favorable). It's used on packaging in several European countries, and the same A–E logic now shows up inside apps like SkinnyScan, which apply it instantly to any meal you scan — not just products that carry the printed label.
This article is general nutrition information, not medical or dietary advice — see the disclaimer at the end.
What is Nutri-Score, exactly?
Nutri-Score is a simplified, color-coded label — green A through red E — designed to let shoppers compare similar foods at a glance without reading a full nutrition panel. It weighs a food's less-favorable components (things like energy density, saturated fat, sugar, and salt) against its more-favorable ones (fiber, protein, and the share of fruit, vegetables, or nuts) to land on a single letter. It was independently validated in consumer research, including a study across twelve countries that found front-of-pack letter grades helped people understand and compare nutritional quality more accurately than several other label formats.
The goal isn't to declare any single food "good" or "bad" — it's to make a fast, useful comparison possible between similar products, the same way a fuel-economy sticker helps you compare two cars without an engineering degree.
How to read each letter, at a glance
| Grade | General signal | How to use it |
|---|---|---|
| A | More favorable nutritional profile within its food category | A solid everyday pick when you're comparing similar items |
| B | Above-average profile | Still a reasonable everyday choice |
| C | Middle of the range | Fine in moderation; check what's driving the grade (usually sugar, salt, or saturated fat) |
| D | Below-average profile | Worth a closer look at the label if you eat it often |
| E | Least favorable profile within its category | Best treated as an occasional food rather than a daily staple |
A grade is always most meaningful when you're comparing foods within the same category — two breakfast cereals, two yogurts, two sauces — rather than across completely different kinds of food. An A-grade candy bar doesn't exist for a reason: the scale still reflects what kind of food it is.
Official Nutri-Score vs. SkinnyScan's A–E health score
| Official Nutri-Score (Europe) | SkinnyScan's A–E health score | |
|---|---|---|
| Where it comes from | A public front-of-pack label adopted by several European countries | Built into the app, based on the same underlying principles |
| Where you see it | Printed on physical packaging where retailers have adopted it | Instantly, on any food the moment it's recognized |
| What it covers | Mainly pre-packaged products carrying the label | Any food you scan or log — packaged, home-cooked, or a barcode lookup |
| Purpose | A quick shelf-side comparison between similar products | A quick daily signal as you build your food diary |
The two aren't identical systems, but they share the same underlying logic: turn a food's nutritional trade-offs into one letter you can read in a second, instead of parsing a full nutrition panel every time.
A food's grade is one signal, not the whole picture
Like any single-score system, a letter grade compresses a lot of information — fiber, sugar, salt, saturated fat, and more — into one character. That's exactly what makes it fast to use, and exactly why it isn't the whole story. A food's grade doesn't know your calorie goal, how big your portion was, or whether you're allergic to one of its ingredients. Treat it as a fast first read, then check the fuller nutrition detail — calories, macros, and ingredients — for anything you eat regularly.
Checklist — using a food grade without overthinking it:
- [ ] Use the grade to compare similar foods, not unrelated ones (two cereals, not a cereal vs. a steak)
- [ ] For anything you eat often, glance at what's actually driving the grade — usually sugar, salt, or saturated fat
- [ ] Remember portion size isn't part of the grade — a small portion of a D-grade food and a large portion of an A-grade food can land at a similar place
- [ ] Don't treat one E-grade food as a diet failure — consistency across a week matters more than any single item
- [ ] If you have an allergy or medical condition, always check the full ingredient list, not just the letter
In SkinnyScan (free)
SkinnyScan's A–E Health Score feature grades every food the instant it's recognized — whether you photograph a home-cooked meal or scan a barcode — based on the same principles as Europe's Nutri-Score. It's one of the app's core features and, per the app's FAQ, is included free with no subscription. [CONFIRM: the FAQ also notes optional paid features may be added later, so reconfirm free/paid status at publish time.]
FAQs
Is Nutri-Score the same thing as counting calories? No. It's a quick, at-a-glance grade for a food's overall nutritional profile — it doesn't replace counting calories or tracking macros, which measure something different (how much energy and nutrients you're actually eating over a day).
Can a food with a good grade still be an occasional treat? Yes. A favorable grade describes a food's nutritional profile relative to others in its category — it isn't a statement about portion size, how often to eat it, or whether it fits your personal goals.
Does SkinnyScan calculate the official Nutri-Score? SkinnyScan's A–E health score is built on the same principles as Europe's Nutri-Score, applied instantly to any food you scan or log — not only packaged products carrying the official printed label.
Is an A-grade food always the healthiest choice for me personally? Not necessarily. The grade reflects a food's general nutritional profile, not your individual health conditions, allergies, or goals — it's a starting signal, not personalized medical guidance.
Does the grade account for allergies or medical conditions? No. It's a general nutrition signal, not a personalized or medical assessment. Anyone with a medical condition, allergy, or specific dietary restriction should rely on the full ingredient label and, where needed, a doctor or registered dietitian.
Get started
You can read a Nutri-Score-style label the way described above, or let SkinnyScan grade your meals automatically as you scan them. See the app's features →
Disclaimer: This article is educational information about a general food-labeling concept, not medical or dietary advice, and it is not a diagnosis or treatment plan for any condition. A food's letter grade is a general nutrition signal, not an individualized recommendation, and this content should not replace guidance from a qualified doctor or registered dietitian — especially if you have a medical condition, food allergy, or are pregnant or breastfeeding. SkinnyScan does not diagnose or treat any medical condition.