How Long Does Pre Workout Last And A Comprehensive Guide to

how long does pre workout last

During the workout session, members need some extra energy, and the pre-workout is designed to provide that. Here the supplement offers the caffeinated boost that uplifts the member’s gym session. Currently, you will find two categories in the pre-workout, such as products without stimulants and product with stimulants. You will find the powder pre-workout that you can drink with water and in pill or food form. This product needs to take a minimum of 30 to 60 minutes before using cardio machines or weights. So, a question may come through your mind like “how long does pre workout last”. We intend to provide you with a comprehensive discussion on this topic, so stay tuned.

What are the Pros and Cons of Pre-workout?

Before diving into the main discussion regarding “how long does pre workout last”, let’s look at the pros and cons of pre-workout.


1. Improved performance

Want to hit the cardio machine or weight, but lack of motivation? If you face that case, just take an energy booster before doing exercise; hopefully, your performance will improve significantly. Plus, you will get extra time to withstand heavy workouts.

The pre-workout drink contains beta-alanine, an amino acid that has a fame for boosting performance. The beta-alanine will help to reduce fatigue, increase muscle growth, and improve endurance.

2. Increased focus

Keeping the focus stuck on exercise is really a challenging task. Whether you believe it or not, taking a pre-workout prior to workout will help you to stay motivated on track. Here lies fast-acting caffeine, which will remove your concentration lagging.

3. Beneficial ingredients

Although containing beneficial ingredients varies from pre-workout, the majority contains additional minerals and vitamins. Moreover, some pre-workout offers BCAAs (support anti-catabolic), NO-boosting amino acid, citrulline malate, and other effective components to boost muscle blood flow.

4. Avoid Premature Fatigue

With the spending of energy level during the workout, your muscles may be exhausted and tired prematurely. When you can provide proper nutrition, you can make your body ready for optimum performance. Moreover, if you can ensure sufficient energy to burn, your body can do every rep without getting tired.


  1. Over-stimulation

The pre-workout supplement will provide you with high volumes of caffeine that will stimulate your nervous system. However, if you take a higher volume than your body’s demand, then your body can’t use all the energy. Therefore, you may suffer from tingles and tell-tale jitters. But, don’t worry; everyone won’t face such side effects.

Note: If you find it uncomfortable, then lowering the consumption.

  1. May increase water retention

One of the popular ingredients in the pre-workout product is creatine. Moreover, the side effect of this ingredient is mild. Some of those are weight gain, water retention, digestive issues, and bloating.

  1. May upset the digestive system

Some ingredients like magnesium, caffeine, sodium bicarbonate and creatine from pre-workout may upset your digestive system. If you take sodium bicarbonate (91–227 mg per pound of body weight or 200–500 mg per kg), it will cause many health issues. Luckily, you won’t find that ingredient in most pre-workout products.

What Ingredients does a Pre-Workout contain?

All the pre-workout formula doesn’t contain the same ingredients; instead, it varies. The most common and valuable ingredients are amino acids, caffeine, and creatine. Those three are the main ingredients that will offer you the following amenities.

  • Caffeine: Boost the energy level.
  • Creatine: Help to build muscle. Note: It is beneficial for the weightlifter.
  • Amino-Acids: Regulate protein throughout your body. Plus, it will help in muscle building and minimize damage and soreness.

Apart from those three main ingredients, you can focus on those additional ingredients also.

  • Beta-alanine: Make the burning feeling (occur in the last few reps) more bearable. One side-effect is feeling an odd tingling sensation may happen.
  • Nitric Oxide (NO): Help to increase the blood flow by dilating the blood vessels.
  • L-tyrosine: Help to boost up performance under stress.
  • L-theanine: Will improve your attention, alertness and focus.
  • Acetyl l-carnitine: This amino acid works well to convert your body fat into energy.
  • Vitamin B-6: While you are in your exercise, this ingredient helps your metabolism.

How long does Pre-Workout Last?

While looking for the answer, you will find it varies from your intake and the containing caffeine. For example, the pre-workout formula named Grenade®’s .50 Calibre will last for 4 to 6 hours. Moreover, it will come to action 30 to 60 minutes after taking.

how long does pre workout last

One word of caution: Don’t take Grenade®’s .50 Calibre pre-workout formulas within 4 hours before sleep to avoid the sleepless night.

Whatever the ingredients you take, your body takes a maximum of 24 hours to process. Besides, if anything remains unprocessed, it will pass through your urine because most ingredients herein are water soluble. However, some pre-workout formula may contain nutrients (vitamins A, D, and E) which will store in the liver if you take excess amount.

What is The Best Time to Take Pre Workout?

A rule of thumb for taking the pre-workout supplement is within thirty minutes before starting workouts. At that time, you can expect the best result from this supplement because the caffeine becomes more effective. Moreover, the ingredients from the pre-workout supplement get enough time to enter into your bloodstream and become effective.

However, the ingredient like caffeine will give you some instant result after consuming. But, other components like Beta-Alanine demand a bit more time to become effective.

How Much Pre Workout Should You Take?

If you are a healthy adult, you can take 0.014 ounces or 400 milligrams per day without any hesitation. One factor you need to look at while measuring the pre-workout formula is the caffeine amount in your scoop. When you look at the coffee, you will find about 0.003 ounces or 100 milligrams of caffeine in one cup.

Those who are newbie in using the pre-workout product have better commence with the smaller dose. Is It Safe to

Did drink expire Pre-Workout?

Frankly speaking, drinking an expired pre-workout supplement isn’t safe for your health. If you drink, you may encounter some unpleasant side effects.

The pre-workout company clearly mentioned the expired date on their product’s level and suggested finishing before the deadline.

Does the Pre-workout Supplement Expire Faster Once The Container Is Open?

Generally, after tubing or opening the packet, the pre-workout supplement may expire quickly. Some whey protein supplements mentioned using it within eight weeks, definitely a short period.

how long does pre workout last

One of the main ingredients like amino acid from the supplement tends to commence breaking down with age. On the other hand, vitamin B and minerals can last a long time.

How Long Can You Use Pre-workout Supplement Once It’s Mixed?

It is natural that someone makes a solution using this supplement, but he/she forgets to drink, and it stays for a long time. It becomes a common question among people how long they can use this supplement after mixing.

Well, the answer is the solution will remain OK for 12 hours. If you’re going to drink it within 12 hours, then you should be fine, as long as it’s not exposed to severe temperature fluctuations.

The ideal time for taking the pre-workout supplement is 30 minutes before the gym, although it is made a few hours before. However, if you take this supplement while doing gym, your body’s protein structure may break down, and that may decrease your energy level. Plus, you may be affected by some other potential effects.


1. Can you take pre-workout every day?

Mostly, it is safe. When you correctly take this supplement, it won’t cause any problem; instead, it boosts your energy level. On the other hand, if you can’t use it correctly, some side effects may be seen in your body. For instance, jitters, high blood pressure, vomiting, and cardiac arrest (in rare cases).

2. Are you supposed to drink pre-workout fast?

Some people are seen to drink their pre-workout supplement while walking towards the gym. Some active ingredients from the  supplement demand at least 30 to 60 minutes to reach the peak levels in the blood. Another point that seeks attention is don’t take it early in the evening or late afternoon because it may cause problems in sleep.

3. Is pre-workout bad for kidneys?

Some ingredients like caffeine, L-arginine, niacin, and creatine may cause some side effects in your body. Those side effects may negatively affect your liver, kidney and heart. This is because your body needs to work hard to break down the influx of chemicals to create high liver enzymes.

4. Does pre-workout really work?

Yes, the  supplement works nicely in your body if you can take it in a proper way. Notably, in this supplement, you will find various natural and safe ingredients that also can be taken by eating real food.

5. Is coffee a good ?

Before doing a workout, your body demands additional energy to get extended sessions. Coffee is a popular drink that can be used as a  drink. Here lies a high amount of caffeine which will enhance your

Final Word

Almost every day, many new products debut in the fitness world. Hence that doesn’t create any problem to choose one from various alternatives. A pre-workout supplement is one of the essential gym supportive products. The body demands high energy during, and you will get your required energy after taking this supplement.

One of the most common questions typically comes from the bodybuilder is “how long does pre-workout last”. We try to give a comprehensive discussion regarding this question.

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About Sayed 353 Articles
Syed iqbal is a lifestyle blogger and Amazon Affiliate Marketer from Bangladesh. From a young age, he loves to explore and stay up-to-date with the latest in the entertainment industry. Besides writing, he's a dedicated family man with a passion for photography.

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