7 Tips To Avoid a Pre Workout Crash 2024 (#4 is surprising)

I’ve been working out for years and know the importance of a good pre-workout routine. However, I’ve also experienced the dreaded “pre workout crash” that can occur after taking certain supplements. It’s a sudden drop in energy levels that can leave you feeling drained, irritable, and unable to finish your workout. If you’ve ever experienced this, you know how frustrating it can be.

A pre workout crash is typically caused by high amounts of stimulants, like caffeine, in your pre-workout supplement. When these stimulants wear off, you may feel tired and fatigued. This crash can happen before, during, or after your workout, and feelings of dizziness and irritability can accompany it.

But don’t worry, there are ways to avoid this crash and still get the most out of your pre-workout routine. I will tell you the 7 most efficient ways to prevent a pre workout crash.

Understanding Pre Workout Crash

A pre workout crash is a sudden drop in energy levels that can occur after taking a pre-workout supplement. It’s typically caused by the high amounts of stimulants, like caffeine, in these supplements. When these stimulants wear off, you may feel tired, drained, and irritable. This crash can be accompanied by feelings of fatigue, dizziness, and irritability.

The effects of a pre workout crash can vary from person to person, including feeling lightheaded, dizzy, shaky, or nauseated. Some people may also experience a drop in mood, feeling sad or anxious after the crash.

It’s important to note that not everyone experiences a pre workout crash. Some people may be more sensitive to the effects of stimulants, while others may be able to handle them with no issues. However, if you experience a crash, there are ways to avoid it.

Causes of Pre Workout Crash

But what causes this pre workout crash? Here are a few factors that may contribute:

Caffeine and Other Stimulants

Many pre-workout supplements contain high amounts of caffeine and other stimulants, which can increase energy levels and focus. However, when these stimulants wear off, you may experience a crash. It’s typically caused by the high amounts of stimulants, like caffeine. You shouldn’t consume more than 400 mg per day. The creatine in pre workout is not the reason for crashes. Consider taking it as an extra supplement.

Dehydration and Nutrition

Dehydration and poor nutrition can also contribute to a pre workout crash. When you’re dehydrated, your body has to work harder to maintain its temperature, which can lead to fatigue. Additionally, if you’re not fueling your body with the right nutrients, you may not have the energy to power through your workout. Especially when taking pre workout on an empty stomach, people experience these crashes.

Lack of Sleep and Overtraining

Finally, lack of sleep and overtraining can lead to a pre workout crash. If you’re not getting enough sleep, your body may not have enough time to recover and recharge before your next workout. Similarly, if you’re overtraining, you may put too much stress on your body, leading to fatigue and burnout.

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7 Tips to Prevent a Pre Workout Crash

As someone who has experienced pre workout crash, I understand how frustrating it can be to have your energy levels plummet after a workout. However, there are steps you can take to prevent and manage a pre workout crash:

  • 1. Hydration 💦
  • 2. Balanced Diet 🍽️
  • 3. Proper Dosing ⚖️
  • 4. Cycling Your Pre Workout 🔄
  • 5. Quality Sleep and Rest 😴
  • 6. Gradually Reduce Stimulants 📉
  • 7. Time Your Pre Workout ⏱️
woman in gym training focused
Follow these 7 tips to avoid a pre workout crash.

1. Hydration 💦

Dehydration can cause fatigue and sluggishness. Make sure to drink plenty of water throughout the day and during the workout.

2. Balanced Diet 🍽️

Before your workout, consume a small, balanced snack with carbohydrates, protein, and healthy fats. This can provide a steady energy source and help prevent a sudden drop in blood sugar levels.

3. Proper Dosing ⚖️

Proper dosing and can also help prevent a pre workout crash. It’s essential to follow the recommended dosage on the label and not exceed it.

4. Cycling Your Pre Workout 🔄

Cycling involves periodically taking breaks from your pre-workout supplement to reset your body’s responsiveness to its ingredients. This approach ensures that you continue to experience the desired energy and performance benefits without constantly increasing your dosage.

5. Quality Sleep and Rest 😴

Getting enough quality sleep and rest is crucial to preventing a pre workout crash. Lack of sleep can leave you tired and drained, while overtraining can lead to fatigue and burnout. Make sure to get enough rest and recovery time between workouts.

6. Gradually Reduce Stimulants 📉

If you’ve become dependent on high doses of caffeine or other stimulants in your pre-workout supplement, consider gradually reducing your intake. This can help your body adapt and reduce the risk of a crash.

7. Time Your Pre Workout ⏱️

Take your pre-workout supplement 20–30 minutes before your workout. This allows the pre workout time to kick in and reduces the risk of a pre workout crash later on.

man sitting having a pre workout crash from too much caffeine
There are different factors influencing the appearance of a pre workout crash.

What Does A Pre Workout Crash Feel Like?

When I experience a pre workout crash, it feels like a sudden drop in energy levels after taking pre workout. I feel tired, drained, and irritable. It’s unpleasant, especially after a workout when I should feel energized and accomplished.

For some people, a pre workout crash might make them feel tired and lethargic, while others may feel lightheaded, dizzy, shaky, or nauseated.

It’s important to note that the symptoms and severity of a pre workout crash can vary from person to person. Some people may not experience a crash at all, while others may experience it more severely. Additionally, the duration of a pre workout crash can also vary. Some people may only feel the effects for a few minutes, while others may feel them for several hours.

Effects of Pre-Workout Crash

It’s a terrible feeling, and it can ruin a workout or even the rest of your day. In this section, I’ll discuss the effects of pre-workout crash on the body, sleep, mood, and performance.

On the Body

Pre workout crashes can have various effects on the body. When the high amounts of stimulants, like caffeine, wear off, you may experience fatigue, headaches, nausea, dizziness, lightheadedness, vomiting, or gastrointestinal distress. These symptoms can be uncomfortable and may last a few hours after your workout. Listening to your body and resting if you’re feeling unwell is essential.

On Sleep and Mood

A pre workout crash can also affect your sleep and mood. It can cause irritability and make it challenging to fall asleep or stay asleep at night. Lack of sleep can negatively impact your mood, making you feel grumpy, anxious, or depressed. It’s crucial to avoid taking pre-workout supplements close to bedtime to prevent disrupting your sleep.

On Performance

When you experience a crash, you may feel tired, weak, or unmotivated, making it challenging to push through your workout. It’s crucial to fuel your body with the right nutrients and avoid taking too much pre-workout supplements to avoid a crash.

good training session in the gym is done by the woman looking focused
Pre workout crashes have different effects on the human body.

Alternatives to Traditional Pre-Workout Supplements

As someone who has experienced the dreaded pre workout crash, I understand the struggle of relying on traditional pre-workout supplements to fuel your workouts. Fortunately, some great alternatives can provide a boost of energy without the risk of crashing later on. Here are some options to consider:

Stimulant-Free Pre-Workouts

Stimulant-free pre-workouts are an excellent alternative for those sensitive to caffeine or other stimulants. These supplements typically contain ingredients like beta-alanine, citrulline, and creatine, which can help improve endurance and increase muscle strength. Look for “stimulant-free” or “caffeine-free” products to ensure you’re not consuming any unwanted stimulants.

Natural Energy Boosters

One popular natural choice is green tea, which contains caffeine and antioxidants that can help improve focus and increase energy levels. Natural energy boosters include beetroot juice, which has been shown to improve endurance, and maca root, which can help reduce fatigue and improve mental clarity. Also, honey and salt as pre workout is a popular alternative.

Dietary Changes

A balanced meal with complex carbohydrates, lean protein, and healthy fats can provide sustained energy throughout your workout. Avoid consuming foods high in sugar or processed carbohydrates, as these can cause a spike in blood sugar followed by a crash later on.

My Experience with a Pre Workout Crash

I remember the first time I experienced a pre workout crash. I had just started taking pre workout supplements and was excited to see how they would improve my workout. However, I started feeling exhausted and lethargic about an hour after taking the supplement. I could barely keep my eyes open and it was a struggle to finish my workout.

After doing some research, I realized I was experiencing a pre workout crash. This is a common side effect of pre workout supplements that can leave you tired and drained after your workout.

It wasn’t until I started paying closer attention to my diet and sleep habits that I could avoid the pre workout crash altogether.

Here are a few things that I found helped me avoid a pre workout crash:

  • Getting enough sleep: Lack of sleep can make you more susceptible to a crash. Ensure you get at least 7–8 hours of sleep each night. 😴
  • Eating a balanced diet: Pre workout supplements can suppress your appetite, which can lead to a crash later on. Make sure you’re eating enough calories throughout the day to fuel your workouts. 🍽️
  • Drinking enough water: Dehydration can also make you more susceptible to a crash. Drink enough water before, during, and after your workout. 💦
  • Taking the right dosage: Taking too much can also lead to a pre workout crash. Follow the recommended dosage on the label. 🥄

By making these changes, I could avoid a pre workout crash and get the most out of my workouts. If you’re experiencing a pre workout crash, try making these changes and see if they help.

Frequently Asked Questions about Pre Workout Crash

Why do I crash after taking pre-workout?

A pre workout crash is typically caused by the high amounts of stimulants, like caffeine, in pre workout supplements. When these stimulants wear off, you may experience a sudden drop in energy levels, leaving you feeling tired, drained, and irritable. Additionally, a buildup of the molecule adenosine in the brain can signal sleepiness, often resulting from taking caffeine in excess of 200 mg.

How long does pre-workout crash last?

The duration of a pre workout crash can vary from person to person, depending on factors such as the amount of pre workout consumed, the type of pre workout, and individual metabolism. Generally, a pre workout crash can last anywhere from 30 minutes to a few hours.

What does pre-workout crash feel like?

Pre-workout crashes can feel different for different people. Some may feel lightheaded and dizzy, while others may feel nauseous or have an upset stomach. For some, a pre-workout crash might make them tired and lethargic.

Which pre-workout doesn’t make you crash?

If you’re looking for a pre workout that won’t make you crash, consider looking for a “stim-free” pre workout supplement. These supplements are made without stimulants like caffeine, which can cause crashes.


Have you experienced a pre workout crash? Let me know in the comments below. If you have read until here, you may also be interested in the Andrew Huberman Pre Workout Routine and why pre workout causes itchiness.

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