Nobody plans for this part. You ran a cycle, or tried a “research chemical” that a Discord group swore was the safer option. The gains came. Then somewhere near the end, or a few weeks after, your erections disappeared. Libido flatlined. Maybe your testicles feel smaller. And now you are reading forum threads at 1am trying to work out whether it is permanent.
Let us set one thing straight first. We are not here to judge what you took. Our job is to explain what is happening and help you get function back.
Quick answer: can steroids or SARMs cause erectile dysfunction?
Yes. Anabolic steroids and SARMs both suppress the body’s own testosterone production by switching off the signals from the brain to the testes. During a cycle the extra androgen usually masks this. When it stops, natural production can take months to restart, and low testosterone during that window commonly causes low libido and erectile dysfunction. For most men this recovers, but the timeline varies widely and some need medical help.
What is actually happening
Your brain monitors androgen levels. When it detects plenty, whether from injected testosterone, oral steroids or a SARM, it stops releasing LH and FSH, the hormones that drive your own testosterone and sperm production. Doctors call this anabolic steroid-induced hypogonadism, and the mechanism is the same whether or not the compound is technically a steroid.
When the external supply stops, you drop from very high androgen levels to very low ones, sometimes within days. That crash is what produces the symptoms: erectile dysfunction, no morning erections, low mood, fatigue and reduced drive. A 2026 study in BJU International of recreational bodybuilders seeking help after short cycles found that roughly nine in ten had erectile dysfunction at their first appointment.
How long does it take to recover?
The honest answer is that it varies more than the forums suggest. Reviews of the research describe spontaneous hormonal recovery commonly happening within six to twelve months of stopping, with sexual function improving as hormones normalise. However, a Danish case-control study found some former users still had lower testosterone and hypogonadal symptoms years after stopping, and longer or heavier use is linked with slower or incomplete recovery.
Hormones also tend to recover before sperm production does, which matters if children are on your horizon.
Certain compounds carry extra baggage. Nandrolone (deca) has a long-standing reputation for erectile problems even during a cycle, which is why the slang term you have probably already searched exists. The likely reason is its progestin-like activity combined with a weak androgenic by-product.
A word on SARMs
The “safer than steroids” claim does not hold up. UK Anti-Doping points out that no SARM has been approved for human use, that trials and case reports have linked them to liver injury, heart attack, stroke and blood clots, and that the hormonal suppression can cause erectile dysfunction, loss of libido and testicular shrinkage. Many are abandoned drug candidates. Products sold “for research purposes only” are also frequently mislabelled, so you may not even know what you took.
What most men do next (and why it can backfire)
The usual moves are self-prescribed post-cycle therapy bought online, a testosterone booster from the supplement shop, or quietly starting another cycle to make the symptoms go away. The last one is how dependence starts. Self-directed PCT is uncontrolled: the products are unverified and nobody is checking your bloods. Herbal boosters do nothing for suppressed LH.
Buying sildenafil to paper over it is common too. It can help in the short term, but it treats the symptom while the hormonal picture stays unknown.
What a proper assessment looks like
Step 1: measure, do not guess. A full blood panel including total and free testosterone, LH, FSH, oestradiol, SHBG, prolactin, liver function, lipids and haematocrit tells us where you are in recovery and flags anything that needs urgent attention.
Step 2: look at the whole system. Erections are not only hormonal. Stress, sleep, heavy training and pelvic floor tension all interact with a low-testosterone state, so we assess those too, including point-of-care ultrasound where blood flow needs checking. Our What to Expect page describes the 90-minute initial assessment.
Step 3: a plan that matches your situation. For some men that is monitored recovery with support for the pelvic floor and blood flow while hormones return. For others, where suppression is severe or prolonged, medical treatment to restart the axis is appropriate, and where fertility matters we make sure the right specialist is involved. Our Testosterone & You page explains our approach, and the erectile dysfunction page covers non-drug options such as focused shockwave therapy.
Reassurance
Most men in this position recover meaningful function. The uncertainty is often worse than the biology, and uncertainty shrinks quickly once you have actual numbers in front of you. We have helped plenty of men through this quietly and without lectures.
FAQ
Is ED from steroids permanent?
Usually not, but recovery can take months, and a minority experience longer-lasting suppression. Getting bloods done is the quickest way to know where you stand.
Will a testosterone booster fix it?
No. Herbal boosters do not restore the brain-to-testes signalling that has been suppressed.
Should I tell my GP?
Ideally yes. If that feels difficult, a private assessment is a confidential place to start, and there is more background in our Knowledge Centre.
Next step
If you would like to know exactly where you are and what recovery should look like for you, message us through the live chat on the website or book an informal chat. Confidential, discreet and without judgement.
