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Mackeson stout is an alcoholic beer; the figures here describe canned and bottled samples. It provides carbohydrate, all of which is recorded as sugar, while alcohol also contributes to its energy content. Per 100ml, it contains 153 kJ of energy, 4.6g of carbohydrate, 4.6g of sugars and 2.5g of alcohol. It contains a small amount of protein and only trace amounts of fat.

Alcohol supplies energy but is not an essential nutrient, and it can impair judgement and coordination. The sugar and alcohol content are relevant when considering overall sugar and energy intake. Full nutrient figures are given in the tables below.

Nutrition per 100ml

Nutrient

Per 100ml

Energy

36 kcal

Energy

153 kJ

Fat

Trace

of which saturates

Trace

Carbohydrate

4.6g

of which sugars

4.6g

Protein

0.4g

Salt

0.05g

Alcohol

2.5g

Water

92g

Cholesterol

0mg

Vitamins and minerals per 100ml

Nutrient

Per 100ml

Vitamin D

0µg

Vitamin C

0mg

Thiamin (B1)

0.05mg

Riboflavin (B2)

0.04mg

Niacin (B3)

0.6mg

Vitamin B6

0.04mg

Vitamin B12

Trace

Folate

8µg

Calcium

4mg

Iron

Trace

Magnesium

6mg

Phosphorus

14mg

Potassium

37mg

Sodium

18mg

Zinc

Trace

Copper

Trace

Selenium

Trace

Other types of stout

Food

Calories per 100ml

Protein per 100ml

Fat per 100ml

Fibre per 100ml

Stout, Guinness

37 kcal

0.4g

Trace

Trace

Stout, bottled

37 kcal

0.3g

Trace

–

Stout, extra

39 kcal

0.3g

Trace

–

About these figures

Values are per 100ml of the food as described (10 samples; canned and bottled). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

These figures come from an older part of the dataset that is no longer updated. Original source: LGC, Alcoholic beverages, soft drinks and tea and coffee, 1983-1984.

Further reading and references

  • Public Health England. McCance and Widdowson's The Composition of Foods Integrated Dataset 2021. GOV.UK.

Article history

The information on this page is written and peer reviewed by qualified clinicians.
  • 4 Nov 2026 | Latest version
  • 3 Nov 2026 | Originally published