150mg Caffeine Pre-Workouts: Best Options in 2024

by Nader Qudimat
Updated December 21, 2023

One key ingredient in many pre-workouts is caffeine, a natural stimulant known for its energy-boosting properties.

This article will focus on the best pre-workout supplements containing 150mg of caffeine, offering a significant energy boost without overstimulation.

Let's get started...

150mg Caffeine Pre-Workouts: Quick Overview

The best 150mg caffeine pre-workouts include Nitrosurge Shred, 4 Gauge, Bacchus, Vintage Burn and Nitrosurge pre-workout.

These pre-workouts are also great for beginners since they contain a safe amount of caffeine.

Best 150mg Caffeine Pre-Workouts

The pre-workouts listed below are the best choices for 150mg of caffeine.

While some pre-workouts below contain over 150mg, they don't contain more than 180mg of caffeine.

You can pick according to what you prefer, and if you need a guide on pre-workouts, check out this comprehensive article.


4 Gauge Pre Workout

If you don't like the tingles and want just enough caffeine, then 4 Gauge is a solid pick for you.

  • No tingles
  • Smooth energy
  • Increases endurance
Ingredients: 6g Citrulline Malate, 300mg Reed Beet Extract, 500mg Acetyl-L-Carnitine, 1g Creatine Monohydrate, 300mg Coconut Water, 200mg Theanine, 100mg Rhodiola Rosea
Stimulants: 150mg Caffeine
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The 4 Gauge pre-workout supplement claims to deliver explosive power and killer focus.

With 150mg of caffeine per serving, it will give you that extra boost you need to power through your workout but not to the extreme levels they describe. Still, it's a pre-workout with 150mg of caffeine and a good pick.

It also contains Citrulline Malate, Reed Beet Extract, Acetyl-L-Carnitine, Creatine Monohydrate, Coconut Water, Theanine, and Rhodiola Rosea.

These ingredients enhance energy, improve focus, and increase endurance. So, if you want to be completely safe, 4Gauge is a good pick.

Nitrosurge Shred

Nitrosurge Shred Pre-Workout by Jacked Factory

Nitrosurge Shred is a pre-workout fat-burning powder that contains essential ingredients to help maximize fat loss.

  • Enhances thermogenesis
  • Contains some ergogenic aids for performance
  • Good for beginners
Ingredients: 2g Citrulline, 1.6g Beta-Alanine, 1g ALCAR, 2.5mg Bioperine, 90mg Theanine
Stimulants: 180mg Caffeine, 50mg Theobromine
Discount code: FITFREK
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Next up, we have Nitrosurge Shred.

This pre-workout supplement delivers energy, performance, strength, and endurance.

With 180mg of caffeine per serving, it's sure to get your heart pumping and your muscles ready for action. But it doesn't stop there.

It also contains L-Citrulline, Beta-Alanine, Acetyl L-Carnitine HCL, Theobromine, and BioPerine.

These ingredients enhance energy, improve focus, and increase endurance.

So, if you're looking to shred through your workout, Nitrosurge Shred has you covered!

Nitrosurge Pre Workout

Best For Beginners
NITROSURGE by Jacked Factory
$29.99 ($3.42 / Ounce)

Jacked Factory NitroSurge features ingredients to support strength and muscle building with the perfect ratio of caffeine to theanine for smooth and long-lasting energy.

  • Very affordable pre-workout without crash
  • Best for strength enhancing
  • Great energy
Ingredients: 6g Citrulline, 3.2g Beta Alanine, 2.5g Betaine Anhydrous, 180mg Theanine, 50mg Astragin
Stimulants: 360mg Caffeine, 100mg Theobromine
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If you thought Nitrosurge Shred was impressive, wait till you hear about Nitrosurge Pre Workout.

This powerful pre-workout supplement delivers energy, performance, and focus. 180mg of caffeine per serving will keep you energized and focused during your workout.

It also contains L-Citrulline, Beta-Alanine, Betaine Anhydrous, L-Theanine, Theobromine, and AstraGin®.

These ingredients enhance energy, improve focus, and increase endurance.

So, if you're looking for a pre-workout supplement that packs a punch, Nitrosurge Pre Workout is the way to go. Read our review on Nitrosurge here.

Vintage Burn

Decent Pick
Vintage Burn by Old School Labs

Old School Labs is a nicely branded company that makes fully disclosed formulas. Vintage Burn is a decent fat-burning pre-workout powder for beginners with a safe amount of caffeine.

  • Safe for beginners
  • Slightly enhances thermogenesis
  • Uses some fat burning ingredients
Ingredients: 500mg Taurine, 500mg Leucine, 200mg Raspberry Ketones, 160mg Olive Leaf Extract, 150mg L-Carnitine Tartrate, 150mg L-Carnitine HCL, 100mg Green TEa, 100mg Chrysin, 100mg Garcinia Cambogia Fruit Extract
Stimulants: 150mg Caffeine, 75mg Green Coffee Bean Extract
Discount code: FITFREK
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Vintage Burn is a fat-burning pre-workout powder with various ingredients to help enhance thermogenesis.

While not every ingredient is fully dosed to what they are supposed to be for maximum effectiveness, it has 150mg of caffeine, making it a good pick for this purpose.

It has multiple ingredients, but many are a bit low on dosage.

Bacchus Mood Enhancing Neuro Magnifier by Chaos and Pain

Bacchus by Chaos and Pain

Bacchus is a mood-enhancing pill-based supplement that can help improve motivation and focus through herbs and multiple ingredients.

  • Improves mood and reduces stress
  • Enhances energy
  • Low caffeine dosage for smooth energy
Ingredients: 400mg RhodioLife, 320mg Synapsa (Bacopa Monnieri Extract, 250mg Taurine, 150mg Passion Flower, 100mg Theanine, 100mg 5-HTP, 40mg Valerian Root Extract, 25mg Zembrin (Sceletium Totousum)
Stimulants: 150mg Caffeine, 250mg Phenylethlamine, 200mg Eria Jarensis
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First, we have the Bacchus Mood Enhancing Neuro Magnifier by Chaos and Pain. This is a pill-based energy enhancer that can be used as a pre-workout.

It's a mood-enhancing neuro magnifier designed to help you get the most out of your workouts.

With 150mg of caffeine per serving, it's sure to give you that energy boost you need to crush your workout. But that's not all.

It contains other ingredients like RhodioLife, Synapsa, Taurine, Phenylethylamine, Eria Jarensis, Passion Flower, Theanine, 5-HTP, Valerian Root Extract, and Zembrin. These ingredients enhance mood, improve focus, and increase energy levels.

So, if you want to add some extra mood uplift to your day, this is the one for you.

Caffeine in Pre-Workouts: A Comprehensive Guide

Caffeine is a popular ingredient in pre-workout supplements, known for enhancing performance and focus.

However, understanding the correct dosage, assessing tolerance, and knowing who it's for can be complex.

This guide aims to provide a comprehensive overview of caffeine in pre-workouts, backed by scholarly sources and peer-reviewed studies.

If you want to see more various caffeine dosages, check out this page.

What is Caffeine and Why is it Used in Pre-Workouts?

Caffeine is a natural stimulant in coffee, tea, and cacao plants.

It works by stimulating the brain and central nervous system, helping you stay alert and preventing the onset of tiredness.

For workouts, caffeine is used to enhance performance, increase power and endurance, and reduce perceived effort, making your workout feel easier than it is.

Who is 150mg Caffeine Pre-Workouts For?

A common dosage of caffeine in pre-workout supplements is around 150mg per serving.

This dosage is typically suitable for individuals with moderate caffeine tolerance.

These individuals consume caffeine regularly but not excessively, such as having a couple of cups of coffee throughout the day.

It's also suitable for those looking to enhance their workout performance without experiencing the extreme effects of higher caffeine doses.

Who Should Avoid 150mg Caffeine Pre-Workouts?

While caffeine can benefit many, some individuals should avoid a 150mg dosage.

This includes people sensitive to caffeine, those with certain medical conditions (like heart disease or high blood pressure), pregnant women, and individuals who don't regularly consume caffeine.

It's always best to consult a healthcare professional before starting any new supplement.

How to Assess Tolerance

Assessing your tolerance to caffeine is crucial to ensure you're consuming a safe and effective dose.

Start with a low dose, around 50-100mg, and monitor your body's response.

If you don't experience any adverse effects, gradually increase the dosage over time.

Reduce the dosage or discontinue use if you experience side effects like rapid heart rate, insomnia, or jitters.

Understanding Dosages in Studies

When examining caffeine and exercise performance studies, it's important to note that dosages can vary widely.

Many studies use a dosage of caffeine that is individualized to the participant's body weight, often around 6mg per kg of body weight.

However, the right dosage for you may differ and should be determined based on your tolerance and response to caffeine.

Benefits and Studies

Caffeine has been extensively studied for its effects on exercise performance. Here are some key findings from the research:

  • Increased Power and Strength: Caffeine has been shown to increase power output and muscle strength, making it beneficial for high-intensity workouts.
  • Improved Endurance: Research has found that caffeine can enhance endurance performance, potentially by reducing perceived effort during exercise
  • Enhanced Focus: Caffeine can improve focus and alertness, which may lead to better performance, especially in longer, more complex workouts

150mg Caffeine: A Closer Look

Caffeine is a well-known stimulant often associated with high-energy drinks and pre-workout supplements.

But did you know that even a low dose of caffeine, such as 150mg, can significantly affect your exercise performance?

Let's dive into the research and see what it has to say.

The Power of Low-Dose Caffeine

Contrary to popular belief, you don't always need a high dose of caffeine to reap its benefits.

A study found that low doses of caffeine (less than 3 mg/kg body mass, approximately 200mg for an average adult) can improve vigilance, alertness, and mood during and after exercise.

These effects were observed without any significant alteration in the peripheral whole-body responses to exercise, suggesting that the ergogenic effect of low caffeine doses primarily results from alterations in the central nervous system.

Caffeine and Exercise Performance

A comprehensive review of 21 published meta-analyses found that caffeine ingestion improves exercise performance in various tasks.

The ergogenic effects of caffeine on muscle endurance, muscle strength, anaerobic power, and aerobic endurance were substantiated by moderate quality of evidence.

Interestingly, the magnitude of the effect of caffeine seems to be generally greater for aerobic as compared with anaerobic exercise.

Tolerance to Caffeine

While the benefits of caffeine are clear, it's important to note that chronic ingestion of even low doses of caffeine can lead to the development of tolerance.

A study by R. Beaumont et al. found that the performance benefits of acute caffeine ingestion were no longer apparent after 4 weeks of caffeine supplementation in low-caffeine consumers.

This suggests that individuals with low-habitual intakes should refrain from chronic caffeine supplementation to maximize performance benefits from acute caffeine ingestion.

What Does This All Mean?

Low-dose caffeine, such as 150mg, can offer significant benefits, particularly regarding exercise performance.

However, managing your caffeine intake wisely is crucial to avoid developing a tolerance.

As always, consulting with a healthcare professional before starting any new supplementation regimen is recommended.

Remember, everyone's response to caffeine is unique. So, listen to your body and adjust your intake accordingly.

If you're interested in exploring pre-workouts with different caffeine dosages, check out our category page for a wide range of options starting from 100mg going up to 600mg.

Bottom Line

Caffeine can be a powerful addition to your pre-workout routine, but it's important to use it correctly.

Start with a low dose, assess your tolerance, and adjust as needed.

As always, it's best to consult with a healthcare professional before starting any new supplement regimen.

Please note that this guide is for informational purposes only and should not be used as a replacement for professional medical advice.

If you want something with more than 150mg of caffeine, consider Bulk by Transparent Labs.

by Nader Qudimat

Forged by iron and cold steel, I'm Nader, a mid-30s natural bodybuilder. Once a 100lb skinny guy, I've transformed into a 200lb muscular athlete with over 15 years of lifting experience. Today, I leverage my transformation and extensive experience to guide countless individuals on their fitness journeys.

Click here to check out my 12 year transformation: Natural 12 Year Transformation

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