Figures from Weetabix’s nutrition panel, collected by Boone. Free sugar calculated by Boone. Last checked 17 October 2026. Data checks are led by Murray Dare.
Two biscuits weigh about 40g.
Colours use the Food Standards Agency front-of-pack thresholds per 100g. RI is the adult reference intake. Cereal only, before milk.
30g of Weetabix Protein, no milk. Cereal figures from the pack panel; milk figures are typical UK values. Calorie split calculated by Boone. How
Sugar in milk and whole or dried fruit is not free sugar. Milk on top adds about 6g of sugar that does not count. NHS →
The NHS free sugar limit is 19g a day at age 4 to 6, 24g at 7 to 10 and 30g from 11. There is no limit for under 4s: they should avoid free sugar.
#5 of 15 Weetabix cereals for least free sugar.
Where a 30g bowl sits against every own-brand cereal from Asda, M&S, Morrisons, Sainsbury’s, Tesco and Waitrose.
Less free sugar than 70% of the 318 supermarket cereals.
More fibre than 83% of the 318 supermarket cereals.
More protein than 95% of the 318 supermarket cereals.
More salt than 55% of the 318 supermarket cereals.
The 2018 model indicates this cereal is not less healthy: it scores -5, below the line of 4.
Higher is less healthy; 4 or more would be classed as less healthy under this model. How the score works →
#4 of 15 Weetabix cereals for this score (lower is better).
12 ingredients; 0 are additives or industrial ingredients (orange).
Weetabix adds vitamins and minerals to this cereal. They are counted as one ingredient and are not a marker of ultra-processing.
Group 3 because it is made from cereal grains with added sugar and salt, but the ingredient list has no flavourings, emulsifiers or other industrial ingredients. Added vitamins and minerals are not counted. How NOVA works →
Nothing on the ingredient list is a NOVA marker of ultra-processing.
Cereal only, before milk. Weetabix gives a pack serving of 40g.
| Per | 100g | 25g | 30g | 40g | 45g |
|---|---|---|---|---|---|
| Energy | 365 kcal | 91 kcal | 110 kcal | 146 kcal | 164 kcal |
| Fat | 2.4g | 0.6g | 0.7g | 1g | 1.1g |
| of which saturates | 0.4g | 0.1g | 0.1g | 0.2g | 0.2g |
| Carbohydrate | 62g | 15.5g | 18.6g | 24.8g | 27.9g |
| of which sugars | 4.7g | 1.2g | 1.4g | 1.9g | 2.1g |
| Free sugar (Boone) | 4.7g | 1.2g | 1.4g | 1.9g | 2.1g |
| Fibre | 9.9g | 2.5g | 3g | 4g | 4.5g |
| Protein | 19g | 4.8g | 5.7g | 7.6g | 8.6g |
| Salt | 0.23g | 0.06g | 0.07g | 0.09g | 0.1g |
A 30g bowl has 1.4g of sugar, and Boone calculates 1.4g of it is free sugar, about 0.4 teaspoons. That is 7% of the 19g daily limit for a child aged 4 to 6 and 5% of the 30g adult limit.
110 kcal in a 30g bowl, or 168 kcal with 125ml of semi-skimmed milk. Per 100g it is 365 kcal.
A 30g bowl gives 3g of fibre and 7% of a 4 to 6 year old’s free sugar limit. Ready Brek Original has 0g of free sugar a bowl.
No, it is NOVA group 3, processed. It has added sugar and salt but no industrial ingredients.
-5 on the UK Nutrient Profiling Model 2018, calculated by Boone per 100g. Scores run from -20 to 40; 4 or more would be classed as less healthy.
Source. Weetabix UK product page, nutrition panel and ingredient list, per 100g as sold.
Collected. Copied by Boone from Weetabix UK product page. Data checks are led by Murray Dare.
Calculated by Boone. Free sugar, portion figures, milk, traffic lights and the nutrient profile score. Labelled where they appear.
Limits. NHS free sugar and salt limits by age; UK reference intakes for adults.
Track your day in the Boone appCookies on Boone
We use analytics cookies to see how people use the site so we can improve it. They are only set if you accept. Cookie policy
