Food and nutrition
Nitric oxide foods for erections: how diet supports blood flow
Nitric oxide is the signal that tells the arteries in your penis to relax and fill with blood. Eating nitric oxide foods every day is a simple, natural way to support that process.
In short: Your body makes nitric oxide from nitrates in vegetables and from the amino acids L-arginine and L-citrulline. Foods that support nitric oxide include leafy greens, beetroot, rocket, celery, watermelon, garlic, pomegranate, citrus, nuts, seeds and dark chocolate. Eating them daily, with exercise, supports healthier blood vessels and erections.
Why nitric oxide matters for erections
When you are aroused, nerves release nitric oxide in the penis. It relaxes the smooth muscle in the arteries, letting blood flow in. Many erection tablets work by keeping this signal active longer. Healthy blood vessels and a good diet help your body make enough of it naturally.
Top nitric oxide foods
Leafy greens
Spinach, rocket, kale and morogo are rich in nitrates. See spinach for erectile dysfunction.
Beetroot
One of the richest sources of nitrates. Studies show beetroot juice can lower blood pressure within hours. Read beetroot juice for erectile dysfunction.
Watermelon
Contains L-citrulline, which the body turns into arginine and then nitric oxide. See watermelon as natural Viagra.
Garlic
Helps the body use nitric oxide and supports blood pressure.
Pomegranate and citrus
Antioxidants protect nitric oxide from breaking down.
Nuts and seeds
Walnuts, pumpkin seeds and peanuts contain L-arginine.
Dark chocolate
Cocoa flavanols support blood vessel function. Choose 70 percent cocoa or more, in small amounts.
How to eat them
- Add a handful of greens to lunch and dinner
- Drink a small glass of beetroot juice a few times a week
- Snack on nuts or watermelon instead of chips
- Use garlic and olive oil when cooking
Mouthwash and nitric oxide
Bacteria on your tongue help turn nitrates into nitrites. Strong antibacterial mouthwash used several times a day may reduce this effect.
Who should be careful
Men on blood pressure medicine or nitrate heart medicine should speak to an appropriately registered medical professional before using concentrated beetroot or nitric oxide supplements. Men with kidney stones may need to limit high-oxalate greens.
Personal support
A naturopath can design an eating plan around nitric oxide foods that suits your health, budget and taste.
Why men choose our natural approach
Walk in or consult remotely
Walk in at Buccleuch, Sandton, with parking available, or consult by phone or video from anywhere in South Africa.
Natural and non-surgical
Herbal remedies and practical guidance, with no injections or surgery.
Faster appointments
Enquiries answered 24/7, with same-day appointments often available.
Transparent pricing
Consultations are R2,500, with any remedy costs confirmed before you commit.
Private self-check: 5 quick questions
Answer these honestly before you try anything new or book. They help you describe what is happening and get more from your first consultation.
- How often can you get and keep an erection firm enough for sex: almost always, most of the time, sometimes, or rarely?
- Do you still notice morning or night-time erections?
- Have stress, poor sleep, alcohol, smoking or long hours increased recently?
- Do you take medicine for blood pressure, the heart, diabetes or mood?
- Has your interest in sex dropped noticeably over the past year?
If you answered “sometimes” or “rarely” to the first question, a consultation is a sensible next step. Morning erections that still happen are often a reassuring sign that lifestyle, stress or confidence are playing a part, which natural support can address well. A yes to question four means any remedy needs checking for interactions first.
What happens at your first consultation
- Walk in or book online, call +27 10 205 9855 or WhatsApp +27 81 823 1313. In Gauteng, walk in at 199 Vanessa Street, Buccleuch, Sandton, where parking is available. Outside Gauteng, choose a confidential phone or video consultation. Enquiries are answered 24/7.
- Talk privately with a naturopath about your symptoms, health history, lifestyle and goals.
- Receive a personalised natural plan, with any remedy costs confirmed upfront.
- Follow up in person or remotely so your progress is reviewed and your plan adjusted.
Your health and safety
Our naturopaths use natural remedies and lifestyle support, and always check your health history and current medicines first. If anything needs medical attention we tell you honestly and refer you to an appropriately registered medical professional. Avoid unregistered “enhancement” products sold online or at markets, as SAHPRA has warned that some contain hidden ingredients.
Seek urgent medical care for chest pain, an erection lasting more than four hours, sudden weakness or other sudden symptoms.
Consultation price
A consultation is R2,500, in person or remote, and your naturopath confirms any further costs before you go ahead. See our men’s clinic prices for details.
Frequently asked questions
Which food is highest in nitric oxide?
Foods do not contain nitric oxide directly, but beetroot, rocket, spinach and other leafy greens are richest in the nitrates the body turns into it.
Does watermelon increase nitric oxide?
Watermelon contains L-citrulline, which the body converts to arginine and then to nitric oxide, though you need quite a lot for a strong effect.
How quickly do nitric oxide foods work?
Beetroot juice can raise nitric oxide within a few hours, but lasting benefits for blood vessels come from eating these foods daily.
Are nitric oxide supplements safe?
They can lower blood pressure and interact with medicines, so check with a naturopath or appropriately registered medical professional first.
How much does a consultation cost?
A consultation is R2,500, and any remedy costs are confirmed with you before you go ahead.
Book your consultation today
Walk in at our Sandton practice any time, day or night, or book ahead. Outside Gauteng? Book a remote consultation.
References and further reading
- Mayo Clinic: Erectile dysfunction, diagnosis and treatment
- NCCIH: Naturopathy
- NIDDK: Symptoms and causes of erectile dysfunction
Reviewed by George Mulaudzi, Naturopath. This page is general information and does not replace a personal consultation. If you have chest pain, sudden symptoms or a medical emergency, seek urgent medical care.
