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Oysters, raw

Oysters are shellfish, and the figures here describe them raw. They provide protein alongside vitamins and minerals, including zinc, vitamin B12, iron and iodine. Per 100g, raw oysters contain 11g of protein, 59mg of zinc, 17µg of vitamin B12 and 1.3g of salt.

Protein supports the maintenance and repair of body tissues, while zinc contributes to normal immune function and wound healing. Vitamin B12 is needed for normal nerve function and red blood cell formation. The salt content is worth noting for people monitoring their salt intake. Raw oysters can carry bacteria and viruses that cause food poisoning, particularly in people with weakened immune systems. Full nutritional figures are in the tables below.

Nutrition per 100g

Nutrient

Per 100g

Energy

65 kcal

Energy

275 kJ

Gordura

1.3g

of which saturates

0.2g

Carbohydrate

2.7g

of which sugars

Trace

Proteína

11g

Sal

1.3g

Água

86g

Colesterol

57mg

Vitamins and minerals per 100g

Nutrient

Per 100g

Vitamin A (retinol equivalent)

75µg

Vitamina D

1µg

Vitamina E

0.85mg

Vitamina C

Trace

Thiamin (B1)

0.15mg

Riboflavin (B2)

0.19mg

Niacin (B3)

1.8mg

Vitamina B6

0.16mg

Vitamina B12

17µg

Cálcio

140mg

Ferro

5.7mg

Magnésio

42mg

Phosphorus

210mg

Potássio

260mg

Sódio

510mg

Zinco

59mg

Copper

7.5mg

Selenium

23µg

Iodo

60µg

Other types of oysters

Alimentos

Calories per 100g

Protein per 100g

Fat per 100g

Fibre per 100g

Oysters, raw, weighed with shells

9 kcal

1.5g

0.2g

–

About these figures

Values are per 100g of the food as described (Analytical and literature sources). "Trace" means only a very small amount was found. Nutrients that were not measured are not shown. Salt is calculated from sodium.

Leitura adicional e referências

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

Histórico do artigo

As informações nesta página são escritas e revisadas por clínicos qualificados.
  • 4 Nov 2026 | Última versão
  • 3 Nov 2026 | Publicado originalmente