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Port is a fortified wine, made by adding a distilled spirit to wine. Per 100ml, it provides 655 kJ of energy, 12g of carbohydrate, all of which is sugar, and 16g of alcohol. It contains very little protein and is not a substantial source of vitamins or minerals.

Alcohol affects judgement and coordination, and drinking it carries health risks. Both alcohol and sugar contribute to port’s energy content, which is relevant for people monitoring their energy or sugar intake. Its low fat and salt content does not remove the risks associated with alcohol. The full nutrient figures are provided in the tables below.

Nutrition per 100ml

Nutrient

Per 100ml

Energy

157 kcal

Energy

655 kJ

Fat

0g

of which saturates

0g

Carbohydrate

12g

of which sugars

12g

Fibre

0g

Protein

0.1g

Salt

0.01g

Alcohol

16g

Water

71g

Cholesterol

0mg

Vitamins and minerals per 100ml

Nutrient

Per 100ml

Vitamin A (retinol equivalent)

Trace

Vitamin D

0µg

Vitamin E

0mg

Vitamin C

0mg

Thiamin (B1)

Trace

Riboflavin (B2)

0.01mg

Niacin (B3)

0.1mg

Vitamin B6

0.01mg

Vitamin B12

Trace

Folate

Trace

Calcium

4mg

Iron

0.4mg

Magnesium

11mg

Phosphorus

12mg

Potassium

97mg

Sodium

4mg

Copper

0.1mg

Selenium

Trace

About these figures

Values are per 100ml of the food as described (19-21% ABV, 2 samples). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

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