Can you eat oyster sauce when pregnant?

In this brief guide, we will be answering the following question, “ can you eat oyster sauce when pregnant?” We will also be discussing how the oyster sauce is made and what are its ingredients. We will also be discussing the benefits of eating oyster sauce during pregnancy along with its harmful effects.

Can you eat oyster sauce when pregnant?

Yes, you can eat oyster sauce when pregnant. It is pasteurised and fermented package product with no possible allergens unless you are allergic to oysters. Oyster sauces possess certain health benefits for pregnant mothers e.g boost the immune system of both mother and child and improve the brain function of a child.

While eating oyster sauce you should keep in mind its sodium content which is way too much and this can cause the risk of high blood pressure and heart diseases. This may increase the risk of preeclampsia.

What is oyster sauce and how is it made?

Oyster sauce is a dark brown liquid made from oyster extract, sugar, salt, water, and cornstarch. It belongs to a Chinese origin and started manufacturing in the mid-1870s. The oyster sauce adds a savoury flavour to many meat and vegetable dishes. It is very frequently used in Chinese dishes.

We have several alternative varieties of oyster sauce.

  • Non-MSG oyster sauce is made without adding MSG. Due to the increased health risks of consuming MSG thus an alternative formula was developed.
  • Vegetarian oyster sauce is made from oyster mushrooms and they are an alternative good option for vegetarian people.

Oyster sauce doesn’t contain many nutrients due to added sugar, cornstarch, and salts. A limited amount of oyster extract is added to the oyster sauce which doesn’t add any noticeable nutrients to the mixture. Many industries nowadays add oyster flavours and essence which is a cheap alternative to oyster extract.

Following nutrients are present in the 100 ml of the oyster sauce

Nutrients Amount 
Energy 51 kcal
Fats 0.3 g
Carbohydrates 11 g
Sodium 2733 mg
Potassium 54 mg
Protein 1.4 g
Calcium 3%
Vitamin B126%

Does eating oyster sauce provide any health benefits during pregnancy?

Most of the store-bought oyster sauces don’t contain many nutrients because they are made from artificial flavours. If you make oyster sauce at home and use real oyster extract it will add nutrients like calcium, zinc, magnesium, iron, vitamin B6, and vitamin B12.

Helps to improve heart health

Good unsaturated fatty acids like polyunsaturated fatty acids omega 3 and omega 6 are present in the oyster sauce which improves heart health and reduces the risk of arteriosclerosis. 

Increase energy levels 

Oysters are a rich source of iron and they provide a good amount of iron to the body. According to the research, almost two-thirds of iron is present in haemoglobin which carries oxygen from the lungs to the body.

Boost immune system 

In natural oyster sauce due to its high zinc content. Zinc is so effective at boosting your immune system that it’s found in lozenges and over-the-counter cold treatments all around the world. Zinc will improve the immunity of mother and child.

Improves brain health 

Oyster sauce contains vitamin B12 which helps in brain functioning and in the development of brain cells. The deficiency of vitamin B12 leads to confusion, memory loss, and dementia. Vitamin B12 is very important for the brain development of the child and during pregnancy, it is needed the most.

Are there any harmful effects of eating oyster sauce during pregnancy?

  • Oyster sauce contains food allergens like shellfish and wheat. When a person with food allergies eats an allergen, they can have a severe, life-threatening allergic reaction known as anaphylaxis. 
  • 3-MCPD (3-monochloropropane-1,2-diol) is a chemical known to be carcinogenic and it poses health risks to not only breastfeeding mothers and their children but also to other people consuming it. So keep it in mind to check your oyster sauce for this chemical.
  • Oyster sauce contains a huge amount of sodium which can lead to increased blood pressure and risk of certain heart diseases for mothers and this sodium content will cause the risk of preeclampsia.
  • Oyster sauce typically contains gluten in it due to added wheat flour. People with celiac disease will suffer side effects after eating even small amounts of oyster sauce.


In this brief guide, we answered the following question, “ can you eat oyster sauce when pregnant?” We also discussed how the oyster sauce is made and what are its ingredients. We also discussed the benefits of eating oyster sauce during pregnancy along with its harmful effects.


Hi, I am Charlotte, I love cooking and in my previous life, I was a chef. I bring some of my experience to the recipes on this hub and answer your food questions.