Research into diet and peritoneal cancer is limited. However, a diet high in fruits, vegetables, and whole grains and low in saturated fat, sodium, and added sugar may be beneficial.
Peritoneal cancer is a form of cancer that affects the peritoneum, a thin layer of tissue that lines the abdominal cavity and internal organs. It is not common, with around
Females around the ages of 56–62 may have a higher risk of developing peritoneal cancer. According to
This article discusses peritoneal cancer and diet, including different food groups that may benefit a person with peritoneal cancer. It also explores foods to limit for someone with the disease.
A note about sex and gender
Sex and gender exist on spectrums. This article will use the terms “male,” “female,” or both to refer to sex assigned at birth. Click here to learn more.

No single food or diet can prevent or cause peritoneal cancer, but a person’s dietary choices
There is limited research on dietary choices specific to people with peritoneal cancer. However, a person may refer to the
A medical team, including an oncologist and a dietitian, may also provide more specific nutrition advice according to an individual’s overall health, outlook, and other factors.
For more science-backed resources on nutrition, visit our dedicated hub.
An older 2015 study found that a high intake of fruits and vegetables may help lower a person’s risk of several common cancers. Similarly, 2020 research suggests that there is an association between an insufficient intake of fruits and vegetables and a person’s risk of developing cancer.
The
- less oxidative stress and DNA damage
- lower inflammation levels
- improved insulin response
- higher levels of beneficial gut bacteria
People with peritoneal cancer may consider including fruits and vegetables, such as the following, in their diet:
- apples
- avocados
- berries, such as blueberries and raspberries
- carrots
- citrus fruits, such as:
- cruciferous vegetables, such as:
- tomatoes
- mushrooms
- pomegranates
- grapes
- peppers
To discover more evidence-based information and resources for cancer, visit our dedicated hub.
Alongside fruits and vegetables, whole grains
According to a 2020 systematic review of 17 studies, consuming 90 grams of whole grains per day may help reduce a person’s cancer mortality risk by 20%.
An individual with peritoneal cancer may consider eating whole grains or foods containing whole grains such as:
As with other cancer types, a diet with insufficient amounts of protein
The
- grow
- repair different tissues
- maintain immune system function
Some sources of protein a person with peritoneal cancer may consider eating include:
A 2020 study showed that consumption of plant monounsaturated fatty acids (MUFAs), mainly from olive oil, has links to a lower risk of cancer.
According to the ACS, fats and oils
Some examples of fat sources someone with peritoneal cancer may include in their diet include:
- olive oil
- canola oil
- peanut oil
- flaxseed oil
- seafood
- sunflower oil
- safflower oil
The
A person living with or recovering from peritoneal cancer can also speak with a healthcare professional for further guidance about what to include or limit in their diet.
Diet may have an impact on a person’s overall health while they live with and recover from peritoneal cancer. Plant-based diets rich in fruits, vegetables, protein, and healthy fats may be beneficial.
Conversely, a diet high in added sugar, sodium, and saturated fat may lead to more negative health outcomes.
People with peritoneal cancer should speak with a medical team, including a dietitian and an oncologist, for specific dietary recommendations.