Are tomatoes good for you?
Tomatoes — especially cooked in olive oil — are one of the best-studied foods for prostate, heart, and skin health.
Tomatoes are rich in lycopene, a carotenoid your body absorbs best when the tomato is cooked with fat. Study after study links tomato-rich diets with a lower prostate cancer risk, better cardiovascular markers, and modest protection for your skin against UV.
Higher intake is linked with a lower prostate cancer risk.
Based on 2 sources — see references
What the studies found›
Improves how well the lining of your blood vessels relaxes and opens (endothelial function) and your lipid profile.
How our understanding evolved
- Pre-Columbian Mesoamerica
Tomatoes domesticated from wild Andean ancestors and cultivated by Mesoamerican peoples.
- 16th century
Spanish colonizers bring tomatoes to Europe, where they are initially regarded with suspicion as a nightshade-family plant.
- 17th–18th century
Tomatoes spread into Mediterranean, Persian, and Middle Eastern cooking, becoming a foundational ingredient within a few generations.
- 20th century phytochemistry
Lycopene identified as tomatoes' principal carotenoid, with cooking and dietary fat found to improve its absorption.
- 1990s–2000s, prostate cancer research
Large cohort studies link higher tomato and lycopene intake with lower prostate cancer risk.
- 2010s, cardiovascular trials
Systematic reviews and meta-analyses find tomato and lycopene intake associated with improved cardiovascular risk markers.
What does the research say?
Overall strength of the research behind this answer: Moderate Research. The detail lives in the sections below — jump straight to the part you need.
Background: what it is and why it matters›
The fruit of Solanum lycopersicum, eaten raw, cooked, or as sauce and paste.
Tomatoes originated in the Andean region of South America and were first domesticated in Mesoamerica before Spanish colonizers carried them to Europe in the 16th century.
Lycopene, the carotenoid responsible for tomatoes' red color, becomes more available to the body through cooking and the presence of fat — raw tomatoes deliver much less of it in a form the body can use.
An affordable, versatile food with a large body of protective evidence.
Because cooking actually increases its key active compound, tomatoes are one of the rare foods where the traditional cooking method is also the more nutritionally potent one.
Their near-universal presence in daily cooking makes the protective evidence unusually relevant to everyday eating, not just occasional supplementation.
Persian Perspective›
Persian cuisine builds many stews on cooked tomato — a modern tradition with ancient logic.
Tomatoes only reached Persia and the wider Middle East a few centuries ago via European trade routes, yet were adopted so thoroughly into khoresht and stew-based cooking that they now feel like an ancestral ingredient.
The Persian habit of slow-cooking tomato paste and sauce in oil, sometimes for hours, happens to be close to an ideal method for maximizing lycopene absorption — arrived at through taste and tradition, not chemistry.
Where tradition and science agree
- Both everyday Persian cooking practice and modern nutrition science arrive at the same conclusion: cooking tomatoes, especially with oil, makes them more valuable, not less.
- Both treat tomatoes as an everyday base ingredient rather than an occasional treatment — used in nearly every meal in some form, which is exactly the pattern the protective research is built on.
Where tradition and science differ›
- Tomatoes are a New World plant, so no historic Persian or Old World tradition existed for them before roughly the 16th–17th century; their entire traditional Persian culinary role is comparatively recent, even though it now feels deeply embedded.
- When tomatoes first reached Europe, some believed them poisonous (as members of the nightshade family); modern science has since found the opposite — tomatoes are one of the more protective foods studied, not a food to fear.
How to use this information›
- Cook tomatoes with olive oil for maximum lycopene absorption.
- Include in stews, salads, and sauces daily.
One small step today: Cook a simple tomato-and-olive-oil sauce tonight.
A tomato slowly cooked in olive oil is one of the most protective meals humans have invented.
FAQs›
Are canned tomatoes okay?
Yes — often higher in lycopene than fresh.
Is tomato paste even better than fresh tomatoes?
For lycopene specifically, yes — the concentration and cooking process involved in making paste increases the amount your body can absorb, compared with raw tomato.
Do tomatoes really worsen joint pain?
For the vast majority of people, no — the idea that nightshade vegetables like tomatoes worsen arthritis is not well supported by evidence. A small number of people report sensitivity, but it isn't the rule.
Safety
- Members of the nightshade family — very rarely relevant to joint disease despite claims.
If a symptom is new, severe, or persistent — or you are pregnant, on medication, or managing a chronic condition — please speak with a qualified clinician who knows you. Read Safety First.
Full references (2)
- Cheng HM et al. — Tomato and cardiovascular disease (Atherosclerosis, 2017)
- Tomato and lycopene supplementation and cardiovascular risk factors: a systematic review and meta-analysis
Where evidence is uncertain, we say so. Trust grows through honesty.
About this article
- Evidence confidence
- Moderate evidence
- Originally published
- July 6, 2026
- Last editorial review
- July 6, 2026
- Last scientific review
- July 6, 2026
- Next scheduled review
- July 6, 2027
- Purpose
- Educational only. Not medical advice.
- Governance
- How we review · Report a correction
Version history
- July 6, 2026Published in the Hakim Cornerstone Library.
- July 6, 2026Editorial review completed — clarity, structure, and internal links refreshed.
- July 6, 2026Scientific review completed — evidence and safety guidance verified.