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Reading nutrition labels

Ten questions on the back-of-pack panel: per 100 g versus per portion, the ingredients list, sugars, salt and the front-of-pack colours. All of it uses standard EU/UK labelling rules.

10questions

70%pass mark

a few minutestime

Pick one answer per question and submit. You will get your score, the correct answers and an explanation for each. Score 70% or more to earn a certificate.

1. On an EU/UK label, in what order are ingredients listed?

Alphabetically

By weight, largest first

By calories, most first

In the order they were added during cooking

2. A label shows values "per 100 g" and "per serving". Which is best for comparing two products?

Per serving

Per 100 g

Whichever is larger

It makes no difference

3. The "of which sugars" line sits underneath which nutrient?

Fat

Protein

Carbohydrate

Salt

4. A food lists 0.4 g of sodium per 100 g. Roughly how much salt is that?

0.16 g

0.4 g

1.0 g

4.0 g

5. In the EU, energy on a label is given in which units?

Only kcal

Only kJ

Both kJ and kcal

Grams of fat

6. What does the "%RI" (Reference Intake) figure on a label tell you?

The share of an average adult's daily guide amount

The percentage of the pack you should eat

How much the manufacturer recommends

The percentage that is natural

7. A drink claims "no added sugar". What can it still contain?

No sugar of any kind

Naturally occurring sugars, e.g. from fruit juice

Only artificial sweeteners and nothing else

Less than 0.5 g fat

8. On a UK front-of-pack "traffic light", what does an amber (yellow) rating mean?

High — eat rarely

Low — a healthy choice

A medium amount — fine most of the time

The product is out of date

9. Which figure do you multiply to get the values for a whole 250 g portion from a "per 100 g" label?

Multiply per-100 g values by 2.5

Divide per-100 g values by 2.5

Multiply by 25

Use the per-serving column instead, always

10. Saturated fat appears on the label as which of these?

A separate total unrelated to fat

The line "Fat, of which saturates"

Part of the carbohydrate figure

Only on front-of-pack, never on the back

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Source: Standard public guidance (EU food labelling rules, EFSA reference values, Atwater energy factors) · checked 2026-09-02

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