High in antioxidants: Rhubarb contains high levels of antioxidants, such as anthocyanins, which can help protect the body against damage from harmful free radicals. Antioxidants have been linked to a reduced risk of chronic diseases, such as cancer and heart disease. Good source of fiber: Rhubarb is high in fiber, which can help promote healthy digestion and prevent constipation. A diet high in fiber has also been linked to a reduced risk of heart disease, diabetes, and certain types of cancer. May help lower cholesterol: Some studies have found that rhubarb may help lower cholesterol levels in the blood, which can reduce the risk of heart disease. This may be due to the high fiber content of rhubarb, as well as other compounds in the vegetable. May have anti-inflammatory properties: Rhubarb contains compounds that have been shown to have anti-inflammatory properties. Chronic inflammation has been linked to a range of health problems, including heart disease, cancer, and arthritis. May help regulate blood sugar: Rhubarb has a low glycemic index, which means it can help regulate blood sugar levels and prevent spikes in blood sugar. This makes it a good food choice for people with diabetes or those at risk of developing the condition.