Watermelon Trick for Prostate Health: Natural Benefits for Men

As men age, concerns about prostate health become increasingly important. Conditions like benign prostatic hyperplasia (BPH), chronic prostatitis, and even increased risk of prostate cancer dominate conversations.

What many may not realize: the foods we eat, and in particular, a juicy summer favorite, may play a supporting role in prostate health. Enter the so-called “Watermelon Trick for Prostate.”

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Watermelon trick supports prostate health naturally by providing lycopene & citrulline, which help improve blood flow, reduce inflammation, and boost wellness.

In this deep dive, we’ll explore what the “watermelon trick” means, the science behind it, how it might help with prostate health (and where the evidence is still limited), practical tips for adding watermelon and related nutrients into the diet, and what men should keep in mind (including when to seek medical care).

At NuVECTRA Medical, we’re committed to helping men navigate the best lifestyle and nutritional strategies for prostate health and beyond.

What exactly is the “Watermelon Trick for Prostate”?

The phrase “Watermelon Trick for Prostate” refers to the idea that incorporating watermelon—and in particular parts like the rind or extracts thereof into one’s diet might support prostate health.

This “trick” is not a magic cure but rather a nutritional strategy. Key aspects include:

• Watermelon is rich in lycopene, a carotenoid pigment best known for giving tomatoes and watermelon their red hue. Lycopene has been studied for its antioxidant potential and in relation to prostate health.

• Some research suggests watermelon may have higher lycopene content than an equivalent weight of tomatoes and may be absorbed effectively.

• Beyond lycopene, watermelon also contains L-citrulline, an amino acid that can convert to L-arginine and promote nitric oxide (NO) production, which supports blood flow and vascular health. Some advocates extend this to prostate and urinary health.

• A small number of studies point to extracts of watermelon rind (or juice) that may help reduce prostate enlargement (in animal models or early human/observational work) or ameliorate prostate tissue changes.

• In popular usage, the “trick” may involve regularly eating watermelon (or taking extracts) to deliver these nutrients to the prostate over time, supporting a healthy prostate environment.

In short, the “watermelon trick” is a shorthand for “using watermelon (and associated nutrients) as part of a prostate-friendly diet.” It’s not a standalone cure, but rather a dietary strategy that may complement other healthy behaviors.

Why might watermelon help prostate health? The science behind the benefits

Let’s break down what the evidence says—what is promising, what is still uncertain—about how watermelon (and its active components) might influence prostate health.

Lycopene and the prostate

• Lycopene is a carotenoid—a pigment found in red fruits and vegetables—that exhibits antioxidant properties. Higher dietary intake of lycopene has been associated in some observational studies with a lower risk of prostate cancer.

• For example, a pilot human study gave men with localized prostate cancer lycopene supplements and found changes in prostate tissue biomarkers (e.g., connexin 43 expression, IGF-1/IGFBP-3 levels) after 3 weeks.

• One authoritative urology blog notes that watermelon and tomatoes are among the richest natural food sources of lycopene.

• A review chapter states that lycopene may play a role in prostate health by reducing oxidative stress, inhibiting cell proliferation, and inducing apoptosis in aberrant prostate cells.

• So, the logic is: Because the prostate is vulnerable to oxidative damage, inflammation, and hormonal dysregulation as men age, a compound like lycopene that helps protect cells might be beneficial.

Watermelon, lycopene, and bioavailability

• Interestingly, one source notes that watermelon may contain up to 40% more lycopene than an equivalent weight of tomatoes—and that human studies showed that lycopene from watermelon is well absorbed (even without cooking).

• And a recent review of watermelon’s “bioactive compounds” confirms watermelon rind and pulp are rich in such compounds and may play roles in chronic disease prevention.

• The implication: Watermelon may be an accessible, tasty vehicle for lycopene.

Citrulline/nitric oxide and prostate / urinary tract health

• Watermelon contains L-citrulline, which can be converted in the body to L-arginine and subsequently nitric oxide (NO)—a vasodilator that improves blood flow. Some men’s health articles suggest this may support erectile function and potentially urinary/ prostate health (via improved perfusion).

• Improved blood flow and reduced vascular inflammation might provide an indirect benefit to prostate health or urinary tract function, especially in an aging male body where circulation and tissue oxygenation can decline.

Rind extracts & experimental studies

• A somewhat older study from the University of Ibadan (Nigeria) suggested that watermelon rind and juice extract could reduce benign prostate enlargement in animal models.

• While these are not large human trials, they add to the plausibility of the “trick”.

Important caveats and limitations

• Although observational studies are promising (higher lycopene intake → lower prostate cancer risk), causation is not proven. Many studies are small, short-term, or preclinical.

• No large randomized trial conclusively shows that simply eating watermelon will prevent or reverse prostate enlargement, BPH, or prostate cancer.

• Dietary intake is only one piece of the puzzle—genetics, lifestyle (exercise, weight, smoking, alcohol), hormone levels, and environment matter too.

• Also, nutrients don’t act in isolation. Absorption, interaction with other foods/fats, the overall diet quality, and individual health status affect outcomes. For example, lycopene is fat-soluble, so absorption improves when eaten with healthy fats.

• As one men’s health website cautions: “While there is some scientific rationale … the direct effect is unproven … Watermelon should not be considered a primary therapeutic agent.”

In sum: The “watermelon trick” has a sound nutritional footing—but it is best viewed as a component of an overall prostate-optimized lifestyle, rather than a single “fix”.

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How to implement the “Watermelon Trick” for prostate health (in practical steps)

If you’re considering adding watermelon to your prostate-health toolkit, here are practical strategies, tips, and considerations.

1. Choose your watermelon form

• Fresh watermelon slices or chunks are the simplest.

• Consider including watermelon rind (the white/green part) in smoothies or lightly boiled recipes (some experimental studies emphasise rind).

• Alternatively, you might consume watermelon juice (home-made, no added sugar).

• Pair your watermelon with a small healthy fat (e.g., a handful of nuts, a drizzle of olive oil) to boost the absorption of fat-soluble lycopene.

2. Frequency and quantity

• There is no “official dose” for watermelon and prostate health—but many men aim for 1–2 cups (~150-300 g) of fresh watermelon daily, or equivalent via juice/smoothie, especially during summer or when fresh.

• Including the rind in small amounts (e.g., blended rind + pulp smoothie) may enhance the benefit, given higher pigment/concentration in rind sections (according to experimental sources).

• Make it a consistent habit—with other prostate-friendly foods (see below) rather than a “once-in-a-while” treat.

3. Combine with other prostate-friendly nutrients

Watermelon on its own is good—but synergy yields better results. Pair it with:

• Tomatoes / cooked tomato products, rich in lycopene (complementary source).

• Cruciferous vegetables (like broccoli, cauliflower) provide sulforaphane and other protective phytochemicals.

• Pumpkin seeds/seed oils, rich in zinc and phytosterols that support prostate health.

• Fatty fish / omega-3 sources, which lower inflammation.

• Green tea / catechin-rich beverages, which may have prostate-protective effects.

• Water & hydration, as urinary flow and bladder health, support prostate wellness.

4. Lifestyle factors—don’t forget the bigger picture

• Maintain a healthy weight. Obesity and abdominal fat are risk factors for prostate problems.

• Engage in regular physical activity (especially aerobic + resistance), which supports circulation, hormone balance, and urinary health.

• Avoid excessive alcohol and a diet high in processed foods and red/processed meats (which may worsen prostate inflammation).

• Stay hydrated, particularly if you’re eating high-water content foods like watermelon.

• Regularly screen and monitor prostate health with your healthcare provider (PSA levels, digital rectal exam, urinary symptoms) rather than relying solely on diet.

5. Possible “recipes” and usage ideas

• Watermelon & Tomato Salad: Cube watermelon and cherry tomatoes, toss with basil, olive oil, and a handful of pumpkin seeds.

• Watermelon-Rind Smoothie: Blend the white rind (washed and trimmed of dark green skin), watermelon chunks, a handful of spinach, a small spoon of flaxseed meal, and water/almond milk.

• Watermelon Juice Pre-workout: Before a workout, drink a glass of fresh watermelon juice with a dash of coconut water and add a few almonds for fat to boost lycopene uptake.

• Snack substitution: Instead of sugary desserts, have a bowl of watermelon with a few walnuts or pecans—delivers hydration + beneficial nutrients.

6. What about supplements and extracts?

• Some products on the market tout “watermelon rind extract” for prostate health—but these are not extensively validated by large independent clinical trials.

• If you consider a supplement (lycopene, watermelon rind extract, etc), discuss with your healthcare provider—especially if you have prostate disease, are on medications, or have other health conditions.

• Food remains the first line: complex whole-food matrices often deliver benefits that isolated supplements may not fully replicate.

What to expect—and what not to expect

What you can reasonably expect

• Including watermelon regularly may improve your overall nutritional profile (more antioxidants, hydration, phytonutrients), which supports prostate health as part of a broader lifestyle.

• You may notice improved urinary comfort (especially if hydration was poor before), better circulation, and enhanced general well-being (especially if you pair watermelon with other healthy habits).

• Over time, you may support healthier prostate function, improved nighttime urinary flow (fewer trips), and reduced inflammation (indirectly).

What you should not expect

• Watermelon is not a cure for prostate cancer, BPH, or advanced prostate disease. It is a supportive measure.

• Results will not be immediate—dietary interventions take weeks to months to manifest in measurable ways.

• It cannot replace screening, medical evaluation, diagnosis, or treatment. If you have significant urinary symptoms, pain, elevated PSA, or diagnosed prostate disease, work with your physician.

• The “watermelon trick” alone won’t override other risk factors (e.g., family history, age, sedentary lifestyle, poor diet).

Where does this fit into prostate health care?

At NuVECTRA Medical, we see diet as a foundational pillar of prostate health—not a substitute for medical care, but a powerful complement. Here’s our view on how the watermelon-based approach fits into a comprehensive prostate wellness strategy:

• Screening & monitoring: Men 50+ (or 45+ with family history) should undergo regular prostate evaluation (PSA, DRE, urinary symptom surveys).

• Lifestyle optimization: Weight management, exercise, stress control, intimate health, and sleep quality all matter.

• Nutrition strategy: In this tower, the “watermelon trick” is one block—emphasizing lycopene-rich foods, hydration, and phytonutrients.

• Symptom management: For men with urinary symptoms or diagnosed BPH, the diet supports therapy (medical or procedural) and may enhance outcomes/reduce side‐effects.

• Patient education: We guide men not just to eat watermelon “because of the trick,” but to understand why—what nutrient it contributes, how it interacts with other lifestyle factors, and how to incorporate it sustainably.

In practice, when we counsel men, we might say: “Let’s aim for one to two cups of fresh watermelon three to five days per week during the season, paired with lunch or as an afternoon snack.

Combine it with a handful of nuts to improve nutrient absorption. At the same time, ensure you’re eating cooked tomatoes, plenty of vegetables, and moving your body at least 30 minutes daily.”

Real-world case illustration (hypothetical)

John’s story
John, age 62, was diagnosed with early BPH (benign prostate hyperplasia). He was waking up 3–4 times per night to urinate, had a slower urinary stream, and felt frustrated.

His plan at NuVECTRA Medical:

• Dietary shift: add 1½ cups of fresh watermelon after lunch each day (plus a handful of almonds) during the summer months.

• Include cooked tomato sauce twice weekly.

• Increase vegetables to 4-5 cups/day; include broccoli, cauliflower.

• Add a 30-minute brisk walk daily + resistance training twice weekly.

• Hydration plan: 8 cups of water/day, but stop heavy fluid intake 2 hours before bed.

Outcomes after 12 weeks:

• John reported waking only 1–2 times/night.

• His urinary flow felt stronger; residual sensation decreased.

• His diet quality improved; he lost 6 lb; his waist circumference shrank 1 inch.

• His physician noted his PSA remained stable (although PSA is not a perfect marker for BPH).

• John viewed the watermelon habit as one enjoyable piece of a broader lifestyle shift—not the sole “trick.”

Key take-aways

• The “Watermelon Trick for Prostate” is a nutritional strategy that involves regular consumption of watermelon (and optionally rind/juice) to deliver beneficial nutrients—especially lycopene and citrulline—for prostate health.

• Scientific rationale: Lycopene is linked in observational studies to reduced prostate cancer risk; watermelon may supply more lycopene than tomatoes and is well absorbed. Citrulline may support vascular health.

• Evidence is promising but not definitive. Dietary change is supportive, not a replacement for medical care.

• Best practice: Incorporate watermelon alongside other prostate-friendly foods (tomatoes, cruciferous veggies, healthy fats), maintain a healthy lifestyle (weight, exercise, hydration), and stay under medical supervision.

• Practical implementation: 1–2 cups of fresh watermelon most days; include rind if comfortable; pair with some fat for better absorption; vary your diet; stay consistent.

• Monitor: If you have urinary symptoms (frequent urination, weak stream, incomplete emptying, bleeding) or elevated PSA/diagnosed prostate disease—see a urologist. Diet supports but doesn’t replace interventions.

Conclusion

We believe that men’s health is best supported through an integrated approach—where diet, lifestyle, screening, and sometimes medical or procedural interventions work together.

The “watermelon trick” offers a simple, enjoyable, and nutritious way to contribute to prostate wellness.

By making watermelon a regular part of your prostate-health diet, you’re not just getting sugar and hydration—you’re delivering antioxidants, supporting circulation, and incorporating a habit with scientific backing.

Enjoy summer’s sweetest treat with purpose—and let your diet reflect your commitment to a healthy prostate. As always, discuss any new habit with your healthcare provider, especially if you have existing prostate issues.

 

 

 

 

 

References

1. Watermelon for Prostate Cancer? https://www.medicalnewstoday.com/articles/266886

2. Does watermelon reduce the risk of prostate cancer? https://pmc.ncbi.nlm.nih.gov/articles/PMC4464475/

3. What to Know About Lycopene & Prostate Health – https://www.webmd.com/vitamins/ai/ingredientmono-554/lycopene

4. Role of lycopene in maintaining human prostate health – https://pmc.ncbi.nlm.nih.gov/articles/PMC8939370/

5. Watermelon rind does your prostate lots of good – https://www.healthline.com/health/food-nutrition/watermelon-rind-benefits