Size and confidence
When does the penis stop growing?
One of the most searched men’s health questions is when does the penis stop growing. For most men, growth finishes by the late teens or early 20s.
In short: The penis grows mainly during puberty, which usually starts between 9 and 14 and lasts several years. Most growth is finished by around 16 to 18, with small changes possible into the early 20s. After that, adult size is set. Products claiming to restart growth do not work. What can change in adulthood is how the penis looks, depending on weight, temperature and erection quality.
How penile growth happens
Rising testosterone during puberty drives growth of the penis and testicles. Growth is fastest in the middle of puberty.
Typical timeline
- Puberty begins: around 9 to 14
- Fastest growth: about 12 to 16
- Most growth complete: about 16 to 18
- Possible small changes: into the early 20s
Can it grow after puberty?
No. Once puberty is finished, size does not increase naturally. Pills, oils and creams that claim otherwise are not supported by evidence. See penis enlargement cream claims.
What can change how it looks
- Belly fat hiding the base, see does losing weight increase penis size
- Cold or stress causing shrinkage
- Erection quality, which affects erect size
- Ageing, which may cause slight changes
Size worries
Most men who worry are average. The average erect length is about 13 cm. Read average penis size and does penis size matter.
When to see someone
If puberty has not started by about 14, or genitals have not developed as expected, see an appropriately registered medical professional.
Support
Our naturopaths offer discreet, honest consultations about size concerns and non-surgical options. See penis enlargement consultations.
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.
- Is your main worry length or girth, or is it really how firm your erections are?
- Have you measured your erect length correctly, from the pubic bone along the top of the penis?
- Have you already bought pills, creams or oils that did not deliver what they promised?
- Do you take medicine for blood pressure, the heart, diabetes or mood?
- Do you have pain, a new bend, a lump or a recent injury?
If firmness is the real concern, erection support is likely to help more than any enlargement product. A yes to question four means any product needs checking for interactions first, and a yes to question five means you should see an appropriately registered medical professional before trying anything.
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 mens clinic prices for details.
Frequently asked questions
At what age does the penis stop growing?
Most growth is complete by around 16 to 18, with small changes possible into the early 20s.
Can the penis grow after 21?
Not naturally. Adult size is set after puberty.
Do pills make the penis grow?
No. There is no reliable evidence that pills, oils or creams increase size.
Can weight loss make the penis look bigger?
Yes. Losing belly fat can reveal more of the shaft.
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
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.
