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Oregano, fresh

Oregano is a leafy herb used to flavour food. The figures here describe fresh oregano rather than dried oregano. It provides fibre, vitamins and minerals, including 8.6g of fibre, 45mg of vitamin C, 323mg of calcium and 7.4mg of iron per 100g.

Fibre helps support normal bowel function, while vitamin C supports normal immune function and helps the body absorb iron from plant foods. Calcium is needed for normal bones and teeth, and iron is needed to make haemoglobin, which carries oxygen in the blood. Herbs are generally eaten in small amounts, so their contribution depends on how much is used. Full nutrient figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Fat

0.9g

of which saturates

0.23g

of which sugars

0.8g

Fibre

8.6g

Protein

1.8g

Salt

0.01g

Alcohol

0g

Water

82g

Cholesterol

0mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

34µg

Vitamin D

0µg

Vitamin C

45mg

Thiamin (B1)

0.04mg

Riboflavin (B2)

0.11mg

Niacin (B3)

0.9mg

Vitamin B6

0.21mg

Vitamin B12

0µg

Folate

48µg

Calcium

323mg

Iron

7.4mg

Magnesium

55mg

Phosphorus

30mg

Potassium

255mg

Sodium

5mg

Zinc

0.5mg

Copper

0.13mg

Selenium

1µg

Other types of oregano

Food

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Oregano, dried, ground

–

9g

4.3g

43g

About these figures

Values are per 100g of the food as described (4 samples and calculation from dried). "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