There are several things done differently in 4 Gauge that you're not going to find in a standard supplement.

There are no proprietary blends

That means no hidden dosages, no hidden ingredients, no risk. You know exactly what we've used to formulate 4 Gauge, and how much of each nutrient you're getting. You'd be surprised how many other supplement companies mask their product's dosages.

Clinically dosed

It's so simple; We know what you need, and how much of it for the best workout – then we give it to you. All of our nutrients are supported by studies from respected academic sources.

No artificial sweeteners or ingredients

Every nutrient used in 4 Gauge is derived from completely natural sources. That means no synthetic ingredients, no artificial sweeteners – and definitely no banned substances.

Updated regularly

4 Gauge should always be the best pre workout you've ever used. If something better comes along, we know about it and update our formula to keep it – and you ahead of the competition.

The highest possible quality

We've made the best pre workout on the market – we don't settle for less. Manufactured in cGMP-approved facilities, 4 Gauge is made in the both the USA and UK..




For power, focus, and endless energy.

150mg. That’s half the amount of caffeine in 4 Gauge that many of the well-known brands have in their powders.

You do not need hundreds of grams of caffeine.

And that’s one of the reasons why so many bodybuilders, athletes, and exercise enthusiasts are trying 4 Gauge.

Caffeine can increase your muscle endurance and strength. [1]

During exercise, the body uses glycogen (a form of starch) for energy. But once these stores are emptied out, your body starts to feel like it’s running on empty. Caffeine slows glycogen depletion by encouraging your body to use more fat as fuel.

Caffeine has also been shown to enhance the strength of muscle contraction, allowing athletes like you to exert more force over greater periods.

And once you add the L-Theanine, things get really interesting.


To relax, rejuvenate, and focus you during and after a long workout

L-Theanine is an amino acid found primarily in tea leaves. It energizes without draining, calms without putting to sleep, and motivates without causing a jagged edge.

In short; focused energy without the crash. A perfect combination for bodybuilders, and athletes in general.

Its effect on your brain can be visualized on an EEG. Brain waves are actually smoothed out but not flattened out by supplemental L-theanine.

The body is relaxed, the mind is calmed, but no drowsiness occurs. You're focused and ready.



Caffeine and L-Theanine aren't just good on their own – they also work incredibly well together. It's actually that good that boffins in the brain boosting world refer to it as 'smart caffeine'.

So what happens? Research has shown that two things occur when caffeine and L-Theanine are combined in a supplement stack;

  • You have longer lasting energy
  • You're well stimulated, yet completely relaxed and focused at the same time.

How is that possible?

Caffeine has the ability to stimulate you and increase your overall energy levels, whereas L-Theanine boosts pure relaxation and focus, without causing fatigue.

See what's happening here? We've taken the raw stimulanted power of caffeine and combined it with the calculated focus of L-Theanine.

By raising hormones in your body that promote relaxation without making you tired, L-Theanine controls the stimulating effects of the caffeine to give you the best of both worlds; full energy with absolute control.

This is your ticket to stronger, longer gym sessions [2] without those annoying energy crashes you've come to expect from 'big name' pre workouts.


If you've heard of Creatine, you know it has a range of benefits – some more widely known than others.

Chances are, you know creatine as a muscle builder - there to help with power and performance.

We've not included it for that reason though, the creatine in 4 Gauge is there to help increase hydration [3] and reduce fatigue [4] - as well as enhance cognition [5].

In a nutshell, creatine helps you focus and concentrate, enabling you to get more out of your workout.

The dosage in 4 Gauge doubles the level your body creates naturally.


If you're looking the most intensive muscle pumps of your life – Citrulline should be your only weapon of choice.

An amino acid extracted from watermelons – L-Citrulline will take your workouts to the next level.

It works like this : After being absorbed, L-Citrulline gives a massive boost to your nitric oxide levels – this is what dilates your blood vessels, and allows a lot more blood to pass through them.

The result?

Incredible pumps.

Not only does it make working out feel amazing, your muscles look larger and have more endurance during your session.

P.S. Check out that dosage: 6000mg. That's the optimum amount for the best results. Many pre workouts that use Citrulline significantly under-dose it.

We made room for it just to ensure 4 Gauge gets you the results you deserve.


Beetroot extract is one of the best natural sources for incredible pumps and extensive muscle endurance.

Studies have shown supplementing Beetroot juice greatly increase the amount of plasma nitrate in the body and contributes to an overall increase in Nitric Oxide.

This adds to the effects of the Citrulline Malate, dilating the blood vessels and improving your overall pump, and by extension, your workout.


Rhodiola Rosea is a traditional chinese medicine and Scandanavian herb that promotes cognition and overall mood.

This allows you to stay 'in the zone' for longer when it comes to demanding sessions.

Numerous exhaustive studies have shown the herb to combat both fatigue [6] and depression [7], while boosting cognition [8] and subjective well being. [9].

Ever find yourself struggling to find that motivation to go to the gym and train hard? Rhodiola helps get you in the mood and encourages that positive attitude to build a better you through motivation, productivity, and focus.

Rhodiola is your ally during a hard workout because it keeps you in the mood for lifting, and that's why it had to go in 4 Gauge.


An extensively researched amino acid that promotes energy while reducing muscle damage.

L-Carnitine has so many benefits we had to have it in 4 Gauge.First of all, it helps fight fatigue. There are a range of positive results when it comes to this amino acid helping you feel energized both physically and mentally. [10]

It'll also help after your workout with it's ability to reduce overall muscle damage. [11]

And with a generous dosage of 500mg, you're getting the perfect amount for a satisfying effect.


Nature's own electrolyte-packed sports tonic.

When it comes to health benefits, you can't get any better than coconut water. We could talk all day about this nutrient's benefits, but let's focus on how it's going to help you kick ass in the gym.

First and foremost it plays a key role in hydration. Studies have shown that consuming coconut water has similar effects to taking a sports drink. [12]

Crammed full of nutrients, it helps restore electrolyte levels for the session ahead.

Not only that, the potassium in coconut water helps to lower blood pressure, and even prevents against hypertension and headaches.

As you can see, 4 Gauge is an exhaustively researched pre workout of high quality ingredients that strikes that careful balance between strength, focus, muscle pumps and energy.

There's no question that this is the best pre workout nutrient profile you've seen out on the market. Who else gives you this amount of research and shown you the working?

Order now and the best workout of your life will only be a few days away.


[1] Warren GL1, Park ND, Maresca RD, McKibans KI, Millard-Stafford ML. Effect of caffeine ingestion on muscular strength and endurance: a meta-analysis. Med Sci Sports Exerc. 2010 Jul;42(7):1375-87. doi: 10.1249/MSS.0b013e3181cabbd8
[2] Haskell CF, et al The effects of L-theanine, caffeine and their combination on cognition and mood. Biol Psychol. (2008)
[3] Michael E. Powers, Brent L. Arnold, Arthur L. Weltman et al. Creatine Supplementation Increases Total Body Water Without Altering Fluid Distribution. J Athl Train. 2003 Jan-Mar; 38(1): 44–50
[4] Dabidi Roshan V1, Babaei H, Hosseinzadeh M, Arendt-Nielsen L. The effect of creatine supplementation on muscle fatigue and physiological indices following intermittent swimming bouts. J Sports Med Phys Fitness. 2013 Jun;53(3):232-9.
[5] Caroline Rae, Alison L Digney, Sally R McEwan, and Timothy C Bates. Oral creatine monohydrate supplementation improves brain performance: a double-blind, placebo-controlled, cross-over trial. Proc Biol Sci. 2003 Oct 22; 270(1529): 2147–2150.
[6] De Bock K, Eijnde BO, Ramaekers M, Hespel P. Acute Rhodiola rosea intake can improve endurance exercise performance. Int J Sport Nutr Exerc Metab. 2004 Jun;14(3):298-307
[7] Darbinyan V, Aslanyan G, Amroyan E, Gabrielyan E, Malmström C, Panossian A., Clinical trial of Rhodiola rosea L. extract SHR-5 in the treatment of mild to moderate depression., Nord J Psychiatry. 2007;61(5):343-8

[8] Shevtsov VA, Zholus BI, Shervarly VI, Vol'skij VB, Korovin YP, Khristich MP. et al. A randomized trial of two different doses of a SHR-5 Rhodiola rosea extract versus placebo and control of capacity for mental work phytomedicine. Phytomedicine. 2003;10(2–3):95–105
[9] Edwards D1, Heufelder A, Zimmermann A. Therapeutic effects and safety of Rhodiola rosea extract WS® 1375 in subjects with life-stress symptoms--results of an open-label study. Phytother Res. 2012 Aug;26(8):1220-5. doi: 10.1002/ptr.3712. Epub 2012 Jan 6
[10] Vermeulen RC, Scholte HR. Exploratory open label, randomized study of acetyl- and propionylcarnitine in chronic fatigue syndrome. Psychosom Med. 2004 Mar-Apr;66(2):276-82.
[11] Spiering BA, Kraemer WJ, Hatfield DL, Vingren JL, Fragala MS, Ho JY, Thomas GA, Häkkinen K, Volek JS. Effects of L-carnitine L-tartrate supplementation on muscle oxygenation responses to resistance exercise. J Strength Cond Res. 2008 Jul;22(4):1130-5. doi: 10.1519/JSC.0b013e31817d48d9.
[12] Mohamed Saat, Rabindarjeet Singh, Roland Gamini Sirisinghe, Mohd Nawawi, Rehydration after Exercise with Fresh Young Coconut Water, Carbohydrate-Electrolyte Beverage and Plain Water, Journal of PHYSIOLOGICAL ANTHROPOLOGY and Applied Human Science, Vol. 21 (2002) No. 2 P 93-104

** Daily Value Not Established
† Percent Daily Values are based on a 2,000 calories diet. Your daily values may be higher or lower depending on your calorie needs.

Other Ingredients: Dextrose, Natural Flavors, Stevia, Silica, Citric Acid.

Flavor: Fruit Blast

This product is not intended to diagnose, treat, cure, or prevent any disease.