300mg Caffeine Pre-Workouts: Best Options For 2024

by Nader Qudimat
Updated December 21, 2023

Ever wondered why caffeine is such a big deal in pre-workouts?

Well, it's all about that energy boost.

Caffeine is a stimulant that fires up your nervous system, helping you push harder and longer in your workouts.

Not all caffeine dosages are the same.

In this guide, we're zeroing in on pre-workouts with 300mg of caffeine.

These are the best 300mg pre-workouts on the market today. 

Let's dive in...

What the Best 300mg Caffeine Pre-Workouts Are

On the hunt for the ultimate 300mg caffeine pre-workouts? You're in the right place.

Our top picks are Bulk Black, Wrecked Pre-Workout by Huge Nutrition, Blast Max by Old School Labs, and Burn XT Powder by Jacked Factory.

Why 300mg? It's the ideal balance, delivering a potent energy surge for your workouts without the over-the-top jitters.

Let's dig into these pre-workouts and why they're worth your attention. 

Bulk Black by Transparent Labs

If you want a daily driver pre workout with 300mg caffeine, featuring a fully transparent and legit label, then consider this limited edition pre workout from Transparent Labs, Bulk Black.

  • Long-Lasting Energy: Provides sustained energy without a crash.
  • Enhanced Focus and Motivation: Improves mental clarity and concentration.
  • Clean, Natural Sweetness: Refreshing taste without the jitters.
  • High Caffeine Content: May cause sensitivity in some users.
  • Potential for Jitters: Some users might experience jitters due to high stimulant content
Ingredients: 8g Citrulline Malate, 4g Beta-Alanine, 2.5g Betaine Anhydrous, 1.3g Taurine, 1g L-Tyrosine, 300mg AlphaSize (Alpha-GPC), 180mg Sodium, 130mg Potassium, 50mg SenActiv, 10mg Zinc, 5mg Vitamin B6, 5mg Bioperine (Black Pepper Extract), 3mg Boron, 100mcg Vitamin B12
Stimulants: 275mg Natural Caffeine, 200mg L-Theanine, 100mg Theobromine, 75mg Infinergy (Dicaffeine Malate)
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Bulk Black by Transparent Labs

Bulk Black is a pre-workout supplement with a potent blend of ingredients designed to enhance your workout performance.

It contains 300mg of caffeine for energy, 6g of Citrulline Malate for the pump, 4g of Beta-Alanine for endurance, and 4g of BCAA for muscle recovery.

What sets Bulk Black apart is its transparent label and scientifically-backed ingredients.

It's free from artificial sweeteners, coloring, and preservatives, making it a clean choice for fitness enthusiasts.

Bulk Black is ideal for improving their workout intensity, endurance, and recovery.

It's perfect for high-intensity workouts and heavy-lifting sessions.

Wrecked by Huge Nutrition

Wrecked is a standout pre-workout featuring 8g of pure citrulline and over 30g of ingredients per serving.

  • Big doses of nitric oxide boosters
  • Long lasting pumps and energy
  • Enhances mood
Ingredients: 8g Citrulline, 4g Hydromax, 3.5g Beta Alanine, 3g Betaine Anhydrous, 3g Malic Acid, 1.5g Agmatine, 1.5g Tyrosine, 600mg Alpha GPC 50%, 600mg Lion's Mane, 196mg Himalayan Pink Salt, 75mg S7, 10mg Black Pepper Extract
Stimulants: 250mg Caffeine, 250mg Eria Jarensis, 150mg Theobromine, 100mg DiCaffeine Malate, 1mg Alpha Yohimbine
Discount code: FITFREK
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Wrecked Pre-Workout by Huge Nutrition

Wrecked Pre-Workout is a high-stimulant supplement designed to take your workouts to the next level.

It has a nice 300mg of caffeine (well 325mg to be exact) and other performance-enhancing ingredients like L-Citrulline, Beta-Alanine, and glycerol.

Wrecked Pre-Workout stands out for its high caffeine content and comprehensive formula.

It's designed to provide energy, pump, endurance, and focus all in one scoop.

This is an awesome pre-workout for the pumps and energy and even has some mood elevation. 

Blast MAX by Old School Labs

Old School Labs has been stepping up its formulas a notch or two. Blast Max is one of the most comprehensive pre-workouts we've seen so far.

  • Well rounded pre-workout
  • Contains multiple stimulants
  • Increases performance from multiple angles
Discount code: FITFREK
Ingredients: 4g Citrulline, 3.3 Beta Alanine, 2.5g Betaine Anhydrous, 1g Nitrate, 1g Taurine, 10mg Boron, 2g Tyrsoine, 988mg VitaCholine and Alpha GPC, 300mg Alipinia Galanga, 100mg Theanine, 10mg Huperzine, 250mg Himalayan Sea Salt, 150mg Magnesium, 150mg Coconut Water, 5mg BioPerine
Stimulants: 200mg Caffeine Anhydrous, 100mg Caffeine Citrate, 110mg TeaCrine, 100mg Theobromine, 88mg Dynamine, 30mg Caffeine SR
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Blast Max by Old School Labs

Blast Max is a pre-workout supplement that combines 300mg of caffeine (310mg to be exact) with other performance-enhancing ingredients like Citrulline, Beta Alanine, Betaine Anhydrous, and Taurine.

It also includes unique ingredients like Dynamine and TeaCrine for sustained energy and focus.

Blast Max's advantage lies in its unique blend of ingredients designed to provide a sustained energy boost without a crash.

It also includes electrolytes for hydration and recovery.

Blast Max is designed for those looking for a pre-workout that provides immediate and sustained energy, hydration, and recovery benefits.

Burn-XT Thermogenic Fat Burner Powder by Jacked Factory

Burn XT contains nearly 300mg of caffeine and other thermogenic compounds to help boost fat-burning and increase energy and it's safe for vegans.

  • Clean Fat Burning pre-workout
  • Helps convert fat into energy
  • Great focus and energy
Ingredients: 700mg Acetyl-L-Carnitine HCl, 450mg Green Tea Extract, 5mg Bioperine
Stimulants: 270mg Caffeine, 5mg Bioperine
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Burn XT Powder by Jacked Factory

Burn XT is a thermogenic fat burner containing 270mg of caffeine and Acetyl-L-Carnitine HCl and Green Tea Extract.

Burn XT stands out for its dual function as a pre-workout and fat burner. It's designed to provide energy for workouts while also supporting weight loss efforts.

This one is ideal for those looking to boost their workout energy and burn fat.

It can be taken before workouts for an energy boost or throughout the day for its fat-burning benefits.

Balanced Intensity
Pre Kaged by Kaged

Kaged is a simple but effective formula with much-needed ingredients to improve performance and recovery for workouts.

  • High dose of pure citrulline
  • Trusted company with a solid reputation
  • Improves focus and hydration
Ingredients: 6.5g Citrulline, 3.75g Leucine, 875mg Isoleucine, 875mg Valine, 2.5g BetaPower, 1.6g Beta-Alanine, 1.5g Creatine HCL, 500mg Coconut Water Powder, 100mg Spectra ORAC Blend, 2g Taurine, 1g N-Acetyl-L-Tyrosine, 850mg Tyrosine
Stimulants: 274mg PurCaf Organic Caffeine
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Pre-Kaged by Kaged Muscle

Kaged is a long-time favorite for many because of their approach to making clean, pre-workouts, especially for drug-tested athletes. 

They busted in the market with a unique marketing point and they've made their position strong. 

While they do have another version of Pre-Kaged, Kaged Elite, this is the one that is more for the general users, while Kaged Elite is more for the advanced, try-hard athletes.

Pre-Kaged has 274mg of caffeine, while not exactly 300mg, it's close enough and you probably won't notice the caffeine difference between this and 300mg.

How to Pick a 300mg Caffeine Pre-Workout

Alright, so you're ready to try a 300mg caffeine pre-workout.

But how do you pick the right one?

Here's the lowdown:

  1. Ingredients: Look for a pre-workout that's more than just caffeine. You want a blend of ingredients that work together to enhance your performance. Think BCAAs, beta-alanine, and creatine.

  2. Brand Reputation: Do your homework on the brand. Check out reviews and see what other users are saying.

  3. Price: Don't just go for the cheapest option. Consider the cost per serving and the quality of the ingredients.

  4. Trial and Error: Everyone's body is different. What works for your gym buddy might not work for you. Don't be afraid to try a few different products to find your perfect match.

Remember, the best pre-workout is the one that helps you reach your fitness goals. 

If you need a guide about pre-workouts, then read here

The Purpose of Caffeine in Pre-Workouts


It's more than just a morning pick-me-up.

In the realm of fitness and exercise, caffeine has carved out a significant role for itself.

Why, you ask?

Well, let's dive into the research.

According to numerous studies, caffeine is a powerful ergogenic aid - that's a fancy term for something that enhances physical performance.

A study published in the British Journal of Sports Medicine found that caffeine can improve endurance performance.

Another study in the Journal of Applied Physiology discovered that caffeine can increase power output.

Impressive, right?

But that's not all.

Caffeine also plays a role in how your body handles pain and fatigue.

A study in the European Journal of Applied Physiology found that caffeine can reduce perceived exertion during exercise.

That means you can push harder, go longer, and not feel like you're working as hard.

Sounds like a win-win to me.

But wait, there's more.

Caffeine can also help with focus and alertness, according to a study in Psychopharmacology.

That's crucial when you're in the middle of a tough workout and need to keep your mind sharp.

So, it's clear that caffeine brings a lot to the table when it comes to enhancing your workouts.

But remember, like with anything, it's all about balance.

Too much caffeine can lead to jitters, insomnia, and other unpleasant side effects.

That's why it's important to find a pre-workout with the right amount of caffeine for you.

And that's where 300mg caffeine pre-workouts come into play.

They provide a substantial energy boost without going overboard.

So, are you ready to harness the power of caffeine and take your workouts to the next level?

Remember, everybody is different.

What works for one person might not work for another.

So, experiment, listen to your body, and find the pre-workout that's perfect for you.

And who knows?

A 300mg caffeine pre-workout might be your sweet spot.

What Do The Experts Say About 300mg Caffeine Pre-Workouts?

When it comes to pre-workouts, experts have a lot to say.

Especially about those packing a hefty 300mg of caffeine.

Let's break it down:

  1. Safety: Most experts agree that a 300mg caffeine dosage is generally safe for healthy adults. But remember, everyone's caffeine tolerance is different. So, it's important to listen to your body.

  2. Effectiveness: Caffeine is a proven performance enhancer. It can boost your energy, increase your focus, and even help burn fat. A 300mg dose can provide a potent kick to supercharge your workouts.

  3. Side Effects: Like any stimulant, caffeine can have side effects. These can include jitters, insomnia, and a post-workout crash. But don't worry - these side effects are usually mild and can be managed with proper use.

  4. Individual Differences: Not everyone responds to caffeine in the same way. Some people may find 300mg too stimulating, while others may not feel much effect. It's all about finding what works best for you.

  5. Alternatives: If you find 300mg too much, there are plenty of alternatives. You can opt for a lower-caffeine pre-workout, or even try a caffeine-free option.

Remember, the key to a great pre-workout experience is balance.

You want enough caffeine to boost your performance, but not so much that you end up feeling jittery or crashing later.

So, take your time, do your research, and find the pre-workout that's perfect for you.

Recommended: 200mg Caffeine Pre-Workouts

How Much Caffeine Is Safe And How Much Is Too Much?

How much is too much?

Well, according to the Mayo Clinic,, and the FDA, for most healthy adults, 400mg of caffeine a day is the upper limit.

So, if your pre-workout is packing 300mg of caffeine, you're in the clear, right?

Well, not so fast.

Because here's the thing - caffeine isn't a one-size-fits-all kind of deal.

Some folks can chug a double espresso and take a nap, while others get jittery from a single cup of green tea.

And if you're pregnant, breastfeeding, or planning to become pregnant, it's a whole different ball game.

The safe limit drops to between 200mg and 300mg per day.

What about the kiddos?

Well, the consensus is that children and adolescents should have even less.

We're talking about 2.5 to 3 mg/kg/day.

But remember, these numbers are based on adult studies, so it's a bit of a guesstimate.

And if you've got heart issues or high blood pressure, you might want to have a chat with your doc before downing that pre-workout.

Because while moderate caffeine intake might be okay, it's better to play it safe.

Now, let's talk about the elephant in the room - caffeine overdose.

Yes, it's a thing.

And it's not pretty.

We're talking about insomnia, jitters, fast heart rate, upset stomach, and even seizures.

The FDA says that toxic effects can kick in with the rapid consumption of around 1,200 milligrams of caffeine.

So, while your 300mg pre-workout is well within the safe zone, it's always a good idea to listen to your body.

If you're feeling off, it might be time to dial it back a bit.

And as always, when in doubt, consult with a healthcare provider.

Because when it comes to your health, it's better to be safe than sorry


What are the benefits of 300mg caffeine pre-workouts?

Pre-workouts with 300mg of caffeine can provide a significant energy boost, helping to improve focus, endurance, and overall workout performance.

Is 300mg of caffeine safe to consume in a pre-workout?

For most healthy adults, consuming up to 400mg of caffeine per day is considered safe. This means a pre-workout with 300mg of caffeine falls within the safe range. However, individual tolerance can vary, and some people may experience side effects even at lower doses.

How does 300mg of caffeine compare to other caffeine doses in pre-workouts?

A 300mg caffeine dose is on the higher end of the spectrum for pre-workouts. It provides a strong energy boost, making it suitable for those with a higher caffeine tolerance or those looking for an intense workout.

Are there side effects of consuming 300mg of caffeine in a pre-workout?

Some individuals may experience side effects such as jitters, insomnia, increased heart rate, or upset stomach. It's important to listen to your body and adjust your intake if you experience any adverse effects.

What should I do if I'm sensitive to caffeine but want to try a 300mg caffeine pre-workout?

If you're sensitive to caffeine, it's recommended to start with a lower dose and gradually increase it to assess your tolerance. Always consult with a healthcare provider if you have any concerns.

Can I take a 300mg caffeine pre-workout every day?

While it's generally safe for healthy adults to consume up to 400mg of caffeine per day, it's important to listen to your body. If you're experiencing side effects or if you're finding it hard to sleep, you may want to reduce your intake or avoid taking the pre-workout close to bedtime.

Are there any non-caffeine alternatives to pre-workouts?

Yes, there are non-stimulant pre-workouts available that rely on ingredients like amino acids, creatine, and beetroot extract to enhance performance.

How long before a workout should I take a 300mg caffeine pre-workout?

Most pre-workouts, including those with 300mg of caffeine, are best taken 20-30 minutes before your workout. This allows enough time for the caffeine to kick in.

Can I combine a 300mg caffeine pre-workout with other caffeinated products?

Combining a high-caffeine pre-workout with other caffeinated products could lead to consuming too much caffeine, which can cause side effects. It's best to monitor your total daily caffeine intake and adjust as necessary.

Are there any specific brands that offer 300mg caffeine pre-workouts?

Yes, several brands offer pre-workouts with 300mg of caffeine, including Bulk Black, Wrecked Pre Workout by Huge Nutrition, Blast Max by Old School Labs, and Burn XT Powder by Jacked Factory.

Bottom Line

And there you have it - a comprehensive guide to 300mg caffeine pre-workouts.

We've explored the science, compared the top products, and hopefully answered all your burning questions.

Remember, the best pre-workout is the one that helps you smash your workouts.

So, whether you're a seasoned gym-goer or a fitness newbie, don't be afraid to experiment and find your perfect match.

For more resources, check out our guides on the strongest pre workouts: highest stim options, 200mg caffeine pre workouts, and 400mg caffeine pre workouts.

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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