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BCAA vs. Pre-Workout: Understanding the Differences and Benefits

 Written by 

Julien Raby

 Last updated on 

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Ah, the age-old question: to BCAA vs. pre-workout? It’s the supplement equivalent of the “chicken or the egg” debate. Do you need amino acids to recover and grow muscles or a caffeine-fueled boost to power through your workouts?

Well, fear not, fellow gym-goers, because, in this article, we will settle this debate once and for all. So, grab your shaker bottle, sit back, and let’s get ready to rumble.

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Understanding BCAA Supplements

BCAA’s (branched-chain amino acids) are composed of three essential amino acids: leucine, isoleucine, and valine. These amino acids are crucial, as the body cannot produce them, and they must be obtained through diet or supplementation

Branched-chain amino acids are found naturally in protein-rich foods like meat, dairy, and legumes. However, many fitness enthusiasts take BCAA supplements to enhance their training performance and promote muscle growth. 

Leucine, in particular, is known to stimulate muscle protein synthesis. Isoleucine and valine may improve endurance during workouts and reduce muscle fatigue. 

Branch chain amino acid supplements come in several forms, including powder, capsules, and drinks. They can be taken before, during, or after training.

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Benefits Of BCAAs

There are several advantages to consuming BCAA supplements, and athletes, bodybuilders, and fitness enthusiasts commonly use them. Some of the main benefits of BCAAs include the following: 

  • Promote Muscle Growth: BCAAs can help stimulate muscle protein synthesis, the process by which muscles repair and grow after training. Specifically, leucine is considered the most critical BCAA for muscle growth, and many products contain more quantities of it. 
  • Reduce Muscle Soreness: BCAAs have been proven to reduce muscle soreness, improving recovery after an intense training session. 
  • Reduce Muscle Loss: These supplements may help preserve muscle mass during weight loss or calorie restriction periods. 
  • Improve Exercise Performance: Isoleucine and valine may enhance endurance and reduce muscle fatigue, which can help you train for more extended periods. 
  • Support Immune System Function: Branch chain amino acids have also been shown to bolster immune system function, reducing the risks of infections and sickness.  

Although BCAA supplements have several advantages, they should not be relied on as a primary source of nutrition. A well-rounded diet with adequate protein is paramount for overall health and muscle development.

Furthermore, always be mindful of the quality and purity of a supplement. Consult your healthcare provider before starting a new supplement regimen, as you might experience unwanted side effects.

A man drinking his BCAA shaker
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Understanding Pre-Workout Supplements

Pre-workout supplements are multi-ingredient products designed to enhance performance during exercise. As the name suggests, pre-workout is meant to be ingested before a training session. The majority of pre-workout products are available in powders, capsules, and beverages.

Each formula will have a different combination of ingredients, but some of the most common ingredients found in pre-workout include the following: 

  • Caffeine
  • Nitric Oxide Boosters
  • Beta-Alanine
  • Taurine
  • L-Tyrosine
  • Amino Acids
  • Sodium Bicarbonate

The purpose of pre-workout is to provide an energy boost, enhance focus and alertness, extend endurance, and promote muscle growth. 

For instance, caffeine is a common pre-workout ingredient that can improve concentration and increase energy levels. Creatine, on the other hand, may help improve body strength, while beta-alanine can benefit fatigue. 

Pre-Workout Benefits

Pre-workout formulas have a wide range of benefits that can vary depending on the ingredient list and quantities. Many athletes and fitness enthusiasts add formulas to their workout routines to boost energy and increase strength. Some of the advantages include the following:

  • Increase Energy: Many formulas contain caffeine, a stimulant that can aid energy levels and concentration and reduce fatigue. 
  • Improve Endurance: Ingredients like beta-alanine or citrulline malate may improve endurance and delay the onset of muscle fatigue. 
  • Enhance Strength: Creatine is often included in pre-workout supplements and has been shown to improve muscular strength and power output.
  • Increase Blood Flow: Nitric oxide boosters like L-arginine or beetroot extract can help increase blood flow to the muscles, potentially improving exercise performance, muscle growth, and muscle ‘pump.’
  • Improve Muscle Growth: Many products contain essential amino acids and proteins, which can help promote muscle growth and repair. 

It’s critical to note not all pre-workout supplements are created equal. Some products can contain harmful or ineffective ingredients. It’s crucial to research and select high-quality pre-workout supplements from reputable brands with proven ingredients. 

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What Are The Differences Between BCAA and Pre-Workout?

BCAAs and pre-workout formulas are two kinds of dietary supplements designed to improve exercise performance. While they’re similar, both products contain different ingredients and have different mechanisms of action. 

Ingredients and Composition

One of the primary differences between the two supplements is their ingredients and composition. 

BCAA supplements contain three essential amino acids: leucine, isoleucine, and valine, which are the building blocks of protein. The three acids act as “muscle fuel,” decreasing muscle breakdown and increasing protein synthesis.

Pre-workout, on the other hand, usually contains a combination of various ingredients, like caffeine, creatine, beta-alanine, and nitric oxide boosters. 

Pre-workout supplements are more of an all-purpose formula, providing an energy boost, improving focus and alertness, increasing endurance, and promoting muscle growth. 

Dosage Timing

As you might imagine, you take pre-workout formulas before training sessions to maximize the benefits. Pre-workout is usually ingested 20–30 minutes before exercise. Taking the blend too early or late can affect its overall effectiveness.

BCAA products can be taken before, during, or after exercise. The timing of BCAA supplementation may be more flexible, as they can also be taken throughout the day to support muscle recovery and growth.

BCAAs Promote Muscle Recovery and Growth

Branched-chain amino acids are believed to promote muscle recovery and development through their ability to stimulate muscle protein synthesis and reduce muscle soreness.

But what is muscle protein synthesis, anyways?

It’s the process by which muscles repair and grow after exercise. Leucine—one of the three essential amino acids in BCAAs—is a key amino acid for muscle growth, and many products include it in higher amounts.

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Leucine has been shown to activate an enzyme called mTOR, which plays a critical role in muscle protein synthesis. By increasing mTOR activity, leucine may help promote muscle growth and recovery.

BCAAs may also help reduce muscle soreness and improve recovery after training.

During an intense session, muscle tissue is damaged, leading to delayed onset muscle fatigue (DOMs). The supplement helps reduce the breakdown of muscle tissue and may promote the regeneration and repair process. 

Additionally, BCAAs can help reduce levels of lactate, a byproduct of exercise that can contribute to muscle fatigue and soreness.

Pre-workout Supplements Boost Energy, Focus, and Performance

Pre-workout formulas are designed to provide various benefits before an intense training session.

Various ingredients like caffeine, creatine, and beta-alanine can boost energy levels, improve concentration, and reduce fatigue. This makes these supplements similar to multivitamins, hitting various factors to enhance performance.

Different products will have varying ingredient lists and quantities, making it easy to find options tailored to your needs. For example, you might select a caffeine-free formula if you work out late into the evening but want the performance benefits.

That said, it is critical to adhere to recommended dosage instructions and consult with a healthcare provider before beginning any new supplement routine.

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Which Should You Take?

Now that you understand the differences between the two supplements, which one should you add to your workout routine?

The answer will depend greatly on your needs, goals, exercise routines, and circumstances. Although we can’t provide you with a one-size fits all answer, here are some situations where you may want BCAAs or pre-workout formulas. 

Choose BCAAs For Muscle Recovery and Growth

BCAAs are best suited for individuals seeking to increase muscle recovery and growth. These supplements can help stimulate muscle protein synthesis and reduce muscle soreness, aiding in the recovery process.

Select Pre-Workout For Improving Performance, Energy, and Focus

Pre-workout supplements can provide an all-around boost to your performance, energy, and concentration. Selecting blends with caffeine can give you an extra boost before hitting the gym.

Products with creatine may give you the extra strength you need to push through the last few reps on the squat rack. Formulas with nitric oxide boosters, like citrulline, can also give you that extra ‘pump.’ 

Overall, they’re a great option if you’re seeking performance benefits with minimal investment. 

Choose BCAAs For Long-Duration, Low-Intensity Exercises

BCAA supplements are a great choice if you engage in long-duration, low-intensity exercises. These activities generally require sustained energy and endurance, which BCAAs can aid in. Some kinds of long-duration, low-intensity activities include the following: 

  • Running
  • Cycling
  • Swimming
  • Hiking
  • Rowing

During long-duration exercises, the body’s energy stores become depleted, and the body may begin to break down muscle tissue for energy. BCAAs can help prevent muscle breakdown and provide the body with a source of energy during exercise. 

Long-duration exercises can lead to muscle damage and inflammation, which can cause soreness and discomfort. BCAAs can help reduce the breakdown of muscle tissue during exercise and promote the repair of damaged muscle tissue.

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Select Pre-Workout For High-Intensity, Short-Duration Exercises

On the flip side, if you engage in high-intensity, short-duration exercises, you’ll want to opt for pre-workout supplements. These types of routines require bursts of energy and focus, and pre-workout supplements can help provide these benefits. Some examples include the following:

  • Sprinting
  • High-Intensity Interval Training (HIIT
  • CrossFit
  • Plyometrics
  • Heavy Weightlifting

The various ingredients, like caffeine, creatine, and nitric oxide boosters, offer an energy boost, improve focus, and enhance exercise performance. These benefits can help you push yourself harder for longer. 

Choose Pre-Workout For Versatility

If you’re looking for a versatile option with multiple benefits, pre-workout should be a top consideration. The various ingredients in different blends provide benefits like enhanced alertness and performance. 

Pre-workout supplements can be fantastic, regardless if you’re hitting the weights, doing CrossFit intervals, or playing sports.

With different powders, capsules, drinks, and flavors available, you’re sure to find a product that suits your tastes. As always, consult the ingredient list and your healthcare provider to determine which options are suitable for you.

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Can You Take Both?

You might have come to the conclusion that both pre-workout and BCAA supplements provide several advantages—so can you take both? 

The short answer is: yes, you can add BCAA and pre-workout supplements to your regimen. Pre-workout can enhance your performance and focus, while BCAAs will aid in the recovery process.

However, some pre-workout blends contain BCAAs, so taking separate products might not be necessary. If your pre-workout includes BCAAs, taking additional supplements might be overkill, and it’s best to consult your healthcare provider to be safe.

It is also important to note that pre-workout and BCAA supplements should be used with a well-rounded diet and exercise program. Be mindful of the quality and purity of any supplements you purchase to ensure you get reputable products.  

Frequently Asked Questions (FAQ)

Can I Take BCAA Instead of Pre Workout?

Yes, depending on your needs, you can take either BCAA or pre-workout. BCAA supplements provide enhanced recovery and promote muscle growth. That said, they may not offer the same boost of energy or performance benefits associated with pre-workout blends.

Does BCAA Give You Energy?

BCAA supplements will not provide you with the same energy levels as pre-workout blends. BCAA products don’t typically contain caffeine, which is the main ingredient in pre-workout that boosts energy and concentration.

About

Julien Raby is the owner of BoxLife. He owns a bachelor in literature and a certificate in marketing from Concordia. He's Crossfit Level 1 certified and has been involved in Crossfit since 2010. In 2023 he finally made it to Crossfit Open Quarterfinals for the first time. LinkedIn Instagram Facebook

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