Yuka's Scoring Is 60% Calories. Here's Why That Misses the Point.
Yuka's published food method is 60% nutritional quality, 30% additives, 10% organic. The 60% slice is Nutri-Score, which is dominated by energy, sugar, saturated fat and sodium. A fixed formula can't weight your goals — here's the fair read.
The short version
Yuka's published food method is 60% nutritional quality, 30% additives, 10% organic — and that 60% slice runs on Nutri-Score, which is driven by energy (calories), sugars, saturated fat and sodium. So the largest part of a Yuka score is a calorie-and-macronutrient read. It's a transparent, useful formula. But a fixed formula can't weight your allergens, diet or goals — and that's the gap Label Snob is built for.
How does Yuka calculate its score?
Yuka builds its food score from three weighted criteria, and the company publishes the exact split. According to Yuka's own help center, "Yuka's scoring method for food products is based on three criteria," and the weights are stated plainly: "Nutritional quality is 60% of the score," "The presence of additives is 30% of the score," and "The organic dimension is 10% of the score."
| Yuka score component | Weight | What it draws on |
|---|---|---|
| Nutritional quality | 60% | The Nutri-Score method |
| Presence of additives | 30% | EFSA, IARC, and independent studies |
| Organic dimension | 10% | Official organic certification |
That transparency is genuinely to Yuka's credit. A lot of "health-score" tools won't tell you how the sausage gets made; Yuka does, in a public article, with named external references. The critique that follows isn't about Yuka hiding its math — it's about what a single, universal math can and can't see.
Is Yuka's score really 60% calories?
Not literally — and we want to be precise about the provocation in our own headline. Yuka's largest component is "nutritional quality," and Yuka states that "The calculation method is based on Nutri-Score." Nutri-Score is not a pure calorie meter. But calories sit inside the heaviest-weighted part of it, which is why "60% calories" is a useful exaggeration that points at something real.
Here's the honest version. The 60% slice is Nutri-Score. Nutri-Score's negative side — the part that pushes a score down — is built from four nutrients: energy (calories), sugars, saturated fat and sodium. Its positive side — the part that pulls a score back up — is fibre, protein and fruit/vegetable/legume content. Energy is one of four inputs to the dominant slice, not the whole score. So the accurate claim is: calories are a heavily weighted input to the single largest part of a Yuka score, alongside sugar, saturated fat and sodium. Not "100% calories." Not even "60% calories" on its own. But far from a footnote, either.
What is Nutri-Score and what does it measure?
Nutri-Score is a front-of-pack nutrition label backed by Santé publique France and adopted across several European countries. Per the official method, it is calculated from the nutritional declaration per 100g or 100mL plus the ingredients list, scoring two opposing tallies. The "unfavorable" nutrients are energy, sugars, salt and saturated fatty acids; the "favorable" nutrients are proteins, fibres, and fruits, vegetables and legumes. Then, as Santé publique France puts it, "The final nutritional score of a food is obtained by subtracting the total number of favorable points from the unfavorable points."
The point mechanics, from the published Nutri-Score formula, look like this:
| Nutri-Score side | Components | Direction |
|---|---|---|
| Negative points | Energy, sugars, saturated fat, sodium | Higher amount → worse score |
| Positive points | Fibre, protein, fruit/vegetable/legume content | Higher amount → better score |
This is a smart, evidence-based instrument for one specific job: ranking the population-level nutritional balance of packaged foods. It was never designed to know who's eating the food. It treats a marathoner refueling and a person managing blood sugar identically, because it has no information about either. That's not a flaw in Nutri-Score — it's the boundary of the question Nutri-Score was built to answer.
Where does a universal formula fall short?
A universal formula falls short the moment the right answer depends on who's asking. Yuka's 60/30/10 produces one number per product, for everyone, forever. That's exactly what makes it scannable and comparable — and exactly what makes it blind to context. Two real cases show the seam:
- A product scores well, but contains something you avoid. Because additives are 30% and Yuka rates each additive on a single universal scale — Yuka assigns every additive a risk level it describes as "risk-free (green dot), limited risk (yellow dot), moderate risk (orange dot), high-risk (red dot)" — the formula has one verdict on each ingredient. It doesn't know that you specifically avoid a given additive, sensitivity or animal-derived source. The math can't move for your reasons.
- A product scores poorly on Nutri-Score, but fits your goal. A high-protein, higher-energy food can take a Nutri-Score hit on the energy axis even when it's exactly what someone training is reaching for. The formula reads "calorie-dense"; your goal reads "perfect." The number can't hold both truths at once.
None of this means Yuka is wrong. It means a single formula answers a single question — "how nutritionally balanced is this product, on average?" — and then has to stop. The questions it can't reach are the personal ones: Is this okay for my allergy? Does this fit my diet? Does this serve what I'm trying to do?
How is a personalized scan different?
A personalized scan starts from you, not from a fixed weighting. Instead of one 60/30/10 number for everybody, Label Snob's verdict is keyed to your profile — your 13 food allergens (set to Allergy, Hard No, or Flag It), 14 sensitivities, 11 diet types, and your goals. The same product can earn a different verdict for two different people, because the relevant facts are different for two different people.
| Yuka (fixed formula) | Label Snob (personalized) | |
|---|---|---|
| Verdict basis | One universal 60/30/10 score | Your allergens, sensitivities, diet and goals |
| Same product, two people | Same number | Can differ by profile |
| Primary lens | Nutri-Score nutritional balance | Processing and additives, then your profile |
| Accuracy check | — | Cross-checked against Open Food Facts and the brand's listing |
| Reads | Food, cosmetics | Food, body products, supplements, restaurant menus |
The second difference is the lens. Label Snob reads processing and additives first — additive penalties, red-flag overrides, and score caps (seed oils, for instance, cap the score at 79) — rather than starting from a Nutri-Score nutritional grade. And before it gives you a verdict, it runs an MSIV cross-check against Open Food Facts and the brand's own listing, so you're acting on the most accurate read of what's actually in the product. That's our opinion of the product, tuned to you — not a claim that there's one correct score everyone should see.
So should you stop using Yuka?
No. Yuka is a well-built, transparent app, and for a fast, universal "is this product nutritionally balanced?" read, it does that job honestly and publishes exactly how. If you want a single comparable number across a grocery aisle, Yuka earns its place on your phone.
Our read: a fixed 60/30/10 formula is the right tool for a population-level question and the wrong tool for a personal one. The moment your decision hinges on your allergen, your diet, your sensitivity, or your goal, a universal score can't bend to you — by design. That's where a personalized, processing-first scan does the work the formula structurally can't. Use Yuka for the average. Use Label Snob for your answer.
Sources
- Yuka. How are food products scored? — Yuka Help. help.yuka.io
- Santé publique France. Nutri-Score. santepubliquefrance.fr
- Open Food Facts. Nutri-Score nutritional score and color grades — the formula. world.openfoodfacts.org
- European Food Safety Authority (EFSA). Food additives. efsa.europa.eu