Methodology

We use the nutrition table on the brand's own site or menu. Each meal is judged on six values, all measured per portion as sold:

• Calories - total energy per portion.
• Protein - both grams per portion and protein as a share of total energy.
• Fibre - grams per portion.
• Sugar - total sugars per portion.
• Salt - grams per portion (not sodium).
• Saturated fat - grams per portion.

We also record allergens, diet flags (vegan, vegetarian, pescatarian), cuisine and occasion. Those are used for filtering, not for the score itself.

Each component is converted to a 0-100 sub-score using fixed bands. Bigger is better for protein and fibre; smaller is better for calories, sugar, salt and saturated fat.

Salt uses six bands: ≤ 1.5 g = 100, ≤ 2.0 g = 80, ≤ 2.4 g = 60, ≤ 3.0 g = 40, ≤ 4.0 g = 15, > 4 g = 0. Lower salt contributes to a stronger fit score.

Protein is a blend of two ideas: 60% from grams per portion (30g = full marks) and 40% from how much of the meal's energy actually comes from protein (20% of kcal = full marks). This rewards meals that are genuinely protein-led, not just big.

The six sub-scores are combined as a weighted average. Weights reflect how strongly each component shapes whether a meal is a good everyday choice:

• Protein - 20
• Salt - 18
• Calories - 15
• Saturated fat - 15
• Fibre - 15
• Sugar - 12

The raw score is the weighted sum divided by the total weight, then rounded to a whole number between 0 and 100.

A weighted average alone can let a meal hide one large problem behind several smaller wins. To prevent that, we apply caps that limit the final score when a single value crosses a clear threshold. The strictest cap wins.

• Salt above 1.5 g, capped at 82
• Salt 3 g or more, capped at 78
• Salt 4 g or more, capped at 65
• Saturated fat 6 g or more, capped at 78
• Saturated fat 10 g or more, capped at 65
• Calories 900 kcal or more, capped at 70

Applied caps are stored alongside the score so you can see exactly why a meal did not go higher.

Not every brand publishes fibre. We never treat missing fibre as zero - that would unfairly punish meals where the brand simply did not disclose. Instead:

• The score is calculated from the five remaining components (total weight 80).
• Confidence is set to Medium and the meal carries a Fibre not provided note.
• The score is capped at 80 so a meal without fibre data cannot reach "Stronger fit".
• If salt is also above 1.5 g, the cap tightens to 78.
• The High fibre tag is never awarded when fibre is missing.

• High - all six values are present and consistent with each other.
• Medium - fibre is missing, or one of the values triggers a validation warning (for example saturated fat greater than total fat).
• Low - one of the five required base values is missing. The meal shows "Score unavailable".

• 85-100 Stronger fit - a solid everyday option across the board.
• 80-84 Good fit - positive overall, with at most a minor trade-off.
• 70-79 Decent fit - reasonable, but not in the green zone.
• 50-69 Mixed - some wins, some watch-outs; check the breakdown.
• 0-49 More watch-outs - one or more values are high enough to call out.

Tags are awarded purely on the published numbers:

• High protein - at least 20 g protein and at least 20% of energy from protein.
• 25g+ protein - factual: at least 25 g protein per portion.
• High fibre - at least 6 g fibre (only when fibre is actually published).
• Lower sugar - 5 g sugar or less.
• Lower salt - 1.5 g salt or less.
• Lower saturated fat - 3 g saturated fat or less.

We surface a watch-out tag when a value is noticeably higher than typical options:

• Higher salt - 3 g or more.
• Higher saturated fat - 6 g or more.
• Higher energy - 700 kcal or more.

Greggs Roast Chicken & Bacon Club Baguette: 457 kcal, 24 g protein, 5.5 g sugar, 1.7 g salt, 2.4 g saturated fat, fibre not provided.

• Calorie sub-score 90, protein sub-score ~84, sugar 100, salt 80, saturated fat 100.
• Weighted average over 80 = around 89.
• Salt is above 1.5 g, so the score is capped at 82.
• Fibre is missing and salt is above 1.5 g, so the fibre-missing cap of 78 applies.
• Final score: 78, label Decent fit, confidence Medium, with a Fibre not provided note.

We aim to use the official restaurant source for every meal and re-check periodically. Sample items in this beta are clearly marked as Sample data. Restaurants update recipes, portion sizes and ingredients without notice - always check the brand directly before ordering, especially for allergens.

• It is not a clinical or medical assessment.
• It does not account for your personal calorie needs, training, or conditions.
• It does not judge taste, value, sustainability or sourcing.
• It is a comparison aid, not a verdict on any single meal.