Can Pre Workout Cause ED (Erectile Dysfunction)? How to Prevent it!

Medically reviewed by Dr Dimitar Marinov
Can Pre Workout Cause ED (Erectile Dysfunction)? How to Prevent it!

As gym-goers and athletes, we have all heard rumours that taking pre-workout supplements can lead to erectile dysfunction. These claims often make us question whether the side effects are worth it. After all, nobody wants to experience sexual health problems when they are simply trying to improve their fitness.

However, today we want to shed some light on this topic and help you understand if pre-workout can really cause ED.

Is it possible for pre-workout to cause erectile dysfunction?

It might be surprising, but yes, certain elements in pre-workouts could potentially contribute to erectile dysfunction (ED). While these supplements are generally safe and beneficial for most people, individual reactions can vary. It’s important to understand what’s in your pre-workout supplement and how it may affect your body.

What are some pre-workout ingredients that may cause erectile dysfunction?

There’s a wide array of pre-workout ingredients out there. Let’s discuss a few that could potentially contribute to ED.


We all love that energy boost caffeine gives us in many pre-workout supplements, making us feel alert and ready to conquer our workouts. But here’s the kicker: overindulge, and you’re signing up for potential high blood pressure and anxiety. These conditions can indirectly exacerbate erectile dysfunction, so moderation is key (1).

St. John’s wort 

St. John’s wort (Hypericum perforatum) is a herbal remedy commonly used for mood disorders, and its sometimes taken as a preworkout to boost endurance. While it can be effective for these purposes, one of the potential side effects is the disruption of sexual function, which may manifest as ED in men. The mechanism behind this effect is not entirely clear, but it is believed to be related to changes in neurotransmitter activity. St. John’s wort can alter the levels of serotonin, dopamine, and norepinephrine (2).

Other factors that can cause erectile dysfunction

Other than pre-workout ingredients, several gym-related habits may contribute to ED.


  • Inadequate Hydration: Hydration is your body’s best friend, and dehydration is like throwing a spanner in the works. Reduced blood volume can meddle with blood flow everywhere, including down south, potentially laying the groundwork for ED (3).
  • Poor Nutrition: A meal full of processed foods before hitting the gym does more harm than good. Unhealthy foods can clog arteries, impairing blood flow and potentially leading to ED.
  • Lack of Rest: If you’re not well-rested before your workout, your body’s hormone balance may be thrown off. This could put a damper on testosterone levels, a key player in your erection game.

During Workout

  • Excessive Exercise: While regular exercise is beneficial, overdoing it can lead to fatigue and hormonal imbalance, potentially contributing to ED.
  • Improper Form: Incorrect exercise form can lead to injuries, including disk hernation and other potential issues that may affect the pelvic area, which can potentially cause ED (4).
  • Ignoring Pain: If your workout hurts, don’t ignore it. Brushing off pain could result in injuries, such as nerve damage, or conditions that may roll out the red carpet for ED.


  • Skipping Recovery Time: After an intense workout, your body needs time to recover. Skipping this recovery period can lead to physical stress and hormonal imbalance, which might contribute to ED.
  • Neglecting Post-Workout Nutrition: Consuming protein and healthy carbs post-workout aids recovery. Neglecting this can lead to muscle damage and hormonal imbalances, potentially causing ED.
  • Inadequate Sleep: Good sleep is vital for hormone regulation, including testosterone. Inadequate sleep post-workout can disrupt this balance, potentially leading to ED.

What are some tips for helping prevent erectile dysfunction while taking pre-workout?

1. Go for Stim-Free Pre-Workouts

We all love that jolt of energy from our pre-workout, but did you know stimulants like caffeine can sometimes contribute to ED? By choosing a stim-free pre-workout, you’re still getting the energy and endurance boost without the potential risk.

2. Keep An Eye On Your Dosage

It’s easy to get carried away and think more pre-workout equals better results. But overdoing it can lead to physical and psychological issues, including ED. Overconsumption can cause everything from jitters to high blood pressure, so always stick to the recommended dosage on your supplement’s packaging.

3. Hydrate, Hydrate, Hydrate

Hydration isn’t just about satisfying your thirst or achieving that radiant summer-glow skin. It’s an essential part of maintaining your overall health, particularly for those all-important blood vessels. Here’s the fun part: maintaining good blood flow is like having a backstage pass to strong and lasting erections.

4. Steer Clear of Anabolic Steroids

Anabolic steroids might seem like a shortcut to bulging biceps, but they can throw your body’s natural hormone balance into a tailspin. This can open Pandora’s box of problems, including ED. Your smart move? Stick to natural supplements and a balanced diet for muscle gain.

5. Don’t Neglect Your Mental Health

Your mental health is a key player in warding off ED. Stress, anxiety, and depression can all rain on your sexual parade. Try embracing mindfulness practices like meditation or yoga, or even consider therapy to help navigate these mental health hurdles.

6. Balance Your Diet

A diet loaded with fruits, vegetables, lean proteins, and healthy fats is like a superfood smoothie for your health, including your sexual well-being. These foods are packed with essential nutrients that maintain hormonal balance and boost blood flow, keeping ED at bay.

7. Reach Out For Professional Medical Advice

Experiencing symptoms of ED? Don’t try to diagnose yourself. Reach out for professional medical advice to fix “stim dick” head-on. Going the DIY route with diagnosis and treatment can often backfire. Your doctor is equipped to guide you based on your unique situation, ensuring you receive the best treatment.

Can pre-workout cause erectile dysfunction? Our final wrap up

Pre-workout boosters are like your gym buddy – they’re there to help you push through that last rep, but they shouldn’t be carrying all the weight. Use them wisely. Listen to your body’s whispers before they become screams. Know what’s in your supplement, and if you’re worried about ED or other pesky health concerns, don’t play doctor – consult one.

After all, your health isn’t just your greatest asset — it’s your ultimate VIP pass to life’s best gigs. So, treat it with the respect it deserves.


  1. Bertasi RAO, Humeda Y, Bertasi TGO, Zins Z, Kimsey J, Pujalte G. Caffeine Intake and Mental Health in College Students. Cureus. 2021 Apr 5;13(4):e14313. doi: 10.7759/cureus.14313. PMID: 33968523; PMCID: PMC8099008.
  2. Bhopal J. S. (2001). St John’s wort-induced sexual dysfunction. Canadian journal of psychiatry. Revue canadienne de psychiatrie, 46(5), 456–457.
  3. Thornton S. N. (2009). Hydration increases tissue perfusion and thus erectile function. The journal of sexual medicine, 6(9), 2621–2622.
  4. Choy D. S. (1999). Early relief of erectile dysfunction after laser decompression of herniated lumbar disc. Journal of clinical laser medicine & surgery, 17(1), 25–27.

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