The Growing Interest in Natural Bladder Support
Bladder issues such as urgency, frequency, and overactive bladder can affect people at any age, though they tend to become more common with age. Shifts in hormone levels, a weakening of the pelvic floor muscles, or lifestyle factors such as stress and diet can all play a role in changing bladder control. These changes can affect confidence and quality of life, from disrupted sleep to hesitancy about leaving the house for long periods.
While medical treatments exist, many individuals now seek natural ways to support bladder function. One supplement that has recently gained recognition is pumpkin seed extract (or pumpkin seed oil) – an ingredient believed to help support urinary health and calm bladder hyperactivity. But can it really help? Let’s look at what makes it special and what research suggests.
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What Is Pumpkin Seed Extract?
Derived from the seeds of the Cucurbita pepo plant, pumpkin seed extract is a concentrated form of the nutrients found in raw pumpkin seeds. When extracted, it delivers a rich blend of natural compounds that go beyond everyday nutrition, offering targeted support for the bladder and urinary system.
Pumpkin seed extract contains:
- Antioxidants – to help soothe inflammation and protect from harmful free radicals[1].
- Phytosterols – plant compounds that may help support healthy metabolism and relieve lower urinary tract symptoms (though further research is needed to confirm these effects)[2].
- Essential fatty acids – that nourish the nervous system and may help maintain bladder and prostate health.
- Zinc and magnesium – vital minerals that play a key role in muscle function, immune support, and reducing inflammation.
Together, these nutrients are thought to promote a stronger, more resilient bladder, supporting comfort and confidence day to day.
What Does the Research Say?
Recent studies have explored pumpkin seed extract's natural role in supporting bladder wellness:
- Some studies show that pumpkin seed oil may help prevent urinary disorders such as overactive bladder (OAB) and benign prostate hypertrophy (BPH) – a non-cancerous enlargement of the prostate gland[3].
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Research suggests that pumpkin seeds may act by inhibiting the 5α-reductase enzyme, leading to muscle strengthening effects that help reduce bladder-related discomfort[4].
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In one small study, participants taking pumpkin seed supplements reported a significant reduction in urgency, frequency, and nocturia (night-time urination) after both six and twelve weeks of consistent use[5].
While more large-scale research studies are still needed, the evidence so far suggests that pumpkin seed extract could be a valuable natural addition to a holistic bladder care routine.
How Pumpkin Seed Extract May Support Bladder Health
1. Helps Improve Bladder Control
Emerging research suggests that the active compounds in pumpkin seed extract may help support the tone and elasticity of the muscles surrounding the bladder and pelvic area. A well-toned bladder wall is better able to hold urine and respond calmly to filling signals, helping to reduce urgency and improve overall bladder control.
For best results, supplementation can be paired with pelvic floor exercises and gentle bladder retraining techniques, both of which work to strengthen the muscles and coordination involved in bladder function.
2. Supports a Calmer Bladder
Pumpkin seed extract appears to have a natural, soothing effect on the bladder. By promoting relaxation of the bladder wall and helping to maintain healthy muscle contractions, it may assist in easing bladder hyperactivity and calming the symptoms of an overactive bladder (OAB). This can help reduce the frequent or urgent need to urinate, supporting greater comfort both during the day and at night – and allowing for more restful sleep.
3. Encourages Hormonal and Tissue Balance
Fluctuations in hormones such as oestrogen and testosterone can influence urinary and bladder function in both men and women. The phytosterols naturally found in pumpkin seed extract are thought to help support hormonal balance and maintain healthy tissue within the urinary tract. In men, this may also contribute to supporting prostate health, while in women, it may help preserve bladder tone.
4. Supports the Brain-Bladder Link
The act of urination is guided by a delicate connection between the brain and bladder, where messages signal when to hold and when to release. Some studies suggest that improving muscle responsiveness and reducing irritation in the bladder may help restore this natural feedback loop.
By supporting this brain–bladder connection, pumpkin seed extract may help individuals regain a sense of control and confidence, improving quality of life and reducing anxiety around bladder urgency or accidents.
How to Take Pumpkin Seed Extract
When introducing pumpkin seed extract into your daily routine, consider the following tips:
- Dosage: Most supplements contain 2000 mg of pumpkin seed extract per serving, though strengths and concentrations can vary. It’s always best to check the product label carefully and follow the dosage guidance provided by your practitioner or healthcare professional.
- Form: Available as capsules, oils, or powdered extracts. Whichever form you choose, look for a high-quality, standardised extract with minimal additives to ensure purity and potency.
- Consistency: Benefits often develop over several weeks of regular use. Consider using pumpkin seed extract daily for at least six to twelve weeks to allow its effects to build gradually.
Incorporate Simple Lifestyle Practices
For the best results from taking pumpkin seed extract, combine supplementation with simple daily practices such as:
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Pelvic floor exercises to strengthen muscle tone.
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Bladder retraining to gently extend the time between trips to the loo.
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Hydration and nourishment, avoiding excessive caffeine and alcohol, which can irritate the bladder.
Together, these habits create a balanced approach that supports both the physical and emotional aspects of bladder health.
Side Effects and Precautions
Generally, pumpkin seed extract is well tolerated. However, mild side effects such as stomach discomfort or allergic reactions may occur. If you’re pregnant, breastfeeding, or taking medication, speak with your GP before starting any new supplement.
FAQs
Does pumpkin seed extract really help overactive bladder?
Early research indicates that pumpkin seed extract may help support bladder muscle function and reduce urinary frequency. However, results vary and more clinical studies are needed.
Can I take pumpkin seed extract with other supplements?
Yes, it can be combined with other vitamins or herbal supplements, but it’s best to check with a healthcare professional to avoid interactions.
Is pumpkin seed extract safe for men and women?
Yes – studies suggest benefits for both men and women.
What is Benign Prostatic Hyperplasia (BPH)?
BPH is a non-cancerous enlargement of the prostate gland that can press on the urethra and cause urinary symptoms such as increased frequency, urgency, or difficulty starting to urinate in men.
Conclusion
- Brown, M.J. (2025) Top 11 Science-Based Health Benefits of Pumpkin Seeds. Healthline. Available at: Healthline.
- Linus Pauling Institute. (2016) Phytosterols. Micronutrient Information Center, Oregon State University. Available at: Oregon State University.
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Shaban, A. & Sahu, R.P. (2017) "Pumpkin Seed Oil: An Alternative Medicine", International Journal of Pharmacognosy and Phytochemical Research, 9(2), p. 1-8. Available at: NCBI.
- Singh, A. and Kumar, V. (2024) "Pumpkin seeds as nutraceutical and functional food ingredient for future: A review", Grain & Oil Science and Technology, 7(1), pp. 12-29. Available at: ScienceDirect.
- Nishimura, M., Ohkawara, T., Sato, H., Takeda, H. and Nishihira, J. (2014) "Pumpkin seed oil extracted from Cucurbita maxima improves urinary disorder in human over-active bladder", Journal of Traditional and Complementary Medicine, 4(1), pp. 72-74. Available at: ScienceDirect.
