Tomatoes are one of the simplest foods to add to a daily diet, but scientists have become increasingly interested in what their natural compounds may do inside the body. One of the most studied compounds in tomatoes is lycopene, the carotenoid responsible for their red color.
Research suggests that regularly eating tomatoes or tomato-based foods may be associated with several potential health benefits, particularly for cardiovascular health. However, tomatoes should be viewed as part of a healthy diet—not as a replacement for medical treatment.
1. Tomatoes Provide Lycopene
Lycopene is a powerful antioxidant found in tomatoes and tomato products. Antioxidants help protect cells from oxidative stress, which occurs when there is an imbalance between damaging molecules and the body’s protective systems.
Tomatoes are among the most important dietary sources of lycopene. Interestingly, some processed tomato products, such as tomato paste and cooked tomato products, can provide highly available lycopene.
2. They May Support Heart Health
One of the most interesting areas of research involves tomatoes and cardiovascular health.
A 2026 umbrella review of systematic reviews and meta-analyses found that tomato-derived lycopene consumption was associated with improvements in blood pressure and modest improvements in cardiovascular risk. The researchers noted that the evidence for blood pressure was stronger than the evidence for changes in some cholesterol measures.
Earlier research has also found potential improvements in certain cardiovascular risk factors, including LDL cholesterol and blood-vessel function, following tomato-based interventions.
This does not mean that eating tomatoes can immediately lower dangerously high blood pressure. People taking blood-pressure medication should continue following their doctor’s advice.
3. Tomatoes May Help Protect Cells From Oxidative Stress
Lycopene has antioxidant properties, and research has explored its possible role in protecting cells from oxidative damage.
However, scientists are careful about making strong claims. A large umbrella review found potentially beneficial associations between tomato or lycopene intake and several health outcomes, but also concluded that much of the existing evidence was low or very low quality.
That means tomatoes are a nutritious food, but headlines claiming that tomatoes can prevent or cure serious diseases should be treated with caution.
4. Cooked Tomatoes Can Still Be Beneficial
Many people assume that only fresh tomatoes provide health benefits. In reality, tomato-based foods can also be important sources of lycopene.
Tomato juice, paste, puree and other cooked tomato products can provide bioavailable lycopene. Some research suggests that dietary fat can improve the absorption of lycopene, which is why tomatoes eaten with a small amount of healthy fat may be useful from a nutritional perspective.
For example, tomatoes can be combined with foods such as olive oil, eggs, avocado or nuts as part of a balanced meal.
5. They May Support a Heart-Healthy Diet
Tomatoes are naturally low in calories and provide nutrients and plant compounds that can fit easily into a balanced eating pattern.
A recent systematic review and meta-analysis examining people with overweight or obesity found that tomato-based interventions produced a small reduction in waist circumference, although they did not consistently reduce overall body weight or BMI.
So tomatoes should not be considered a “fat-burning food.” Their value comes from being a nutrient-rich, relatively low-calorie food that can replace less nutritious ingredients.
6. What About Cancer?
This is where headlines often become exaggerated.
Scientists have investigated tomato consumption and lycopene in relation to several cancers, particularly prostate cancer. Some observational studies have reported associations between higher tomato or lycopene intake and lower risk.
However, evidence has not been strong enough to say that eating tomatoes prevents or treats cancer. An FDA evidence review found insufficient credible evidence to support several proposed cancer-prevention claims, although it noted limited evidence for some associations.
Therefore, tomatoes can be part of a healthy diet, but they should never replace cancer screening, medical treatment or advice from a healthcare professional.
How Many Tomatoes Should You Eat?
There is no universal number that everyone must eat each day.
A practical approach is to include tomatoes regularly as part of a varied diet. They can be eaten fresh in salads, added to soups and curries, or consumed as tomato-based sauces and cooked dishes.
The important point is overall dietary quality rather than relying on one particular food.
Who Should Be Careful?
Most people can safely include tomatoes in their diet. However, some individuals may experience problems such as heartburn or digestive discomfort after eating acidic foods.
People with a known tomato allergy should avoid tomatoes and discuss suitable alternatives with a healthcare professional.
The Bottom Line
Scientists are increasingly interested in tomatoes because they contain lycopene and other beneficial plant compounds. Current evidence suggests that tomato consumption may support cardiovascular health and may have modest benefits for certain cardiometabolic measures.
But tomatoes are not a miracle cure. Their greatest benefit comes when they are included regularly as part of a balanced diet containing vegetables, fruits, whole grains, adequate protein and healthy fats.
So the next time you add fresh tomatoes to a salad or cooked meal, you’re not simply adding flavor—you are also adding a natural source of lycopene and other nutrients that may contribute to better overall health.