4 Gauge Pre Workout – Review, Ingredients, Price and Taste

4 Gauge is a fruit-flavoured pre workout supplement made by a company called Roar Ambition

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4 Gauge Pre Workout Supplement
4 Gauge is a pre workout supplement

4 Gauge is a pre workout supplement made by a company called Roar Ambition and sold online.

Product website: www.4gauge.com

As you probably already know, pre workout supplements are products that have been designed to be consumed before exercise or hitting the gym.

Pre workouts usually contain a range of commonly-used ingredients, such as vitamins, minerals and herbal extracts, and they are marketed around the idea that they can help you to get the most out of your time spent in the gym.

We all want to make sure that we’re getting the most out of our training, and that’s why products such as pre workout supplements have become a very popular tool for gym goers in recent years.

4 Gauge

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

We were intrigued to give 4 Gauge a go, so we asked our friends over at Roar Ambition to send us over a couple of bottles to try out.

The packaging certainly stands out, with the whole thing designed as a red shotgun shell with a golden lid. The official website describes it as an “explosive” and “effective” pre workout supplement.

The product description on the official site also says that this supplement contains just five calories per serving, containing four grams of total carbs.

This article is going to take a detailed look at 4 Gauge from all angles. We’re going to examine the ingredients, price and also reveal how we got on with it.

Editor's note: The content on this website is meant to be informative in nature, but it should not be taken as medical advice. The content of our articles is not intended for use as diagnosis, prevention, and/or treatment of health problems. It’s always best to speak with your doctor or a certified medical professional before making any changes to your lifestyle, diet or exercise routine, or trying a new supplement.

So, with the introductions out of the way, let’s start taking a closer look at the 4 Gauge pre workout supplement.

The Ingredients

As you already know, the ingredients are the most important factor when it comes to any kind of supplementation. Simply put, the best supplements have the best ingredients.

Let’s start off by taking a close look at the 4 Gauge ingredients label, as shown on the official website.

4 Gauge Ingredients Label

The 4 Gauge ingredients label, as shown on their website

The first plus point from this list is that the supplement does not use a proprietary blend, meaning that we know the exact doses of every single ingredient listed.

Let’s now take a closer look at the ingredients on the list:

• L-Citrulline DL-Malate – Extracted from watermelon, this ingredient is a common pre workout supplement ingredient. Each serving of 4 Gauge contains six grams of L-Citrulline DL-Malate, which is a solid amount.

• Red Beetroot Extract – Sourced from the beet plant, this is another common ingredient found in pre workout supplements. Each serving of 4 Gauge contains 300mg of Red Beet Extract.

• Creatine Monohydrate – You probably need no introduction to this one. Creatine is a very popular supplement amongst gym goers and bodybuilders alike. It’s also somewhat common in pre workout supplements, although some products don’t contain it. Each serving of 4 Gauge contains one gram of Creatine Monohydrate.

4 Gauge Pre Workout Supplement

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

• Acetyl L-Carnitine – An amino acid compound that is another common ingredient in many leading pre workout supplements. 4 Gauge uses 500mg of Acetyl L-Carnitine per serving.

• Caffeine – This one needs no introduction really. Most commonly found in coffee, caffeine is a stimulant that’s consumed worldwide on a daily basis. Caffeine is commonly added to supplements, especially ones which are designed to be consumed before hitting the gym. 4 Gauge uses a sensible-seeming dose of 150mg of Caffeine Anhydrous per serving. To put that amount into context, you’d expect to find about 100mg of Caffeine in one cup of coffee.

• L-Theanine – This an amino acid which is found in tea leaves. L-Theanine is often paired with Caffeine in the same supplement – and that’s exactly the case with 4 Gauge. Each serving of 4 Gauge uses 200mg of L-Theanine.

• Rhodiola Rosea (Root) Powder – This is a herbal ingredient which comes from the root of the plant by the same name. In case you didn’t know, it’s a perennial flowering plant in the Crassulaceae family. Each serving contains 100mg of Rhodiola Rosea powder.

• Coconut Water Powder – Coconut Water is sold in supermarkets as an alternative to commercially-available energy drinks. Each serving of 4 Gauge uses 300mg of Coconut Water Powder per serving.

• Potassium – Each serving uses 10mg of Potassium. Potassium is an essential mineral which contributes to the normal functioning of the nervous system and normal muscle function.

• Calcium – It also contains 30mg of the important mineral Calcium. Calcium contributes to normal energy release and normal muscle function.

You can learn more about 4 Gauge and its ingredients on the official website.

4 Gauge

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

Our Experience With 4 Gauge

At the time of writing, 4 Gauge only comes in one single flavour, called ‘Fruit Blast’.

This is a little bit disappointing, as most other pre workout supplements out there are available in a range of flavors to suit taste.

The taste of the supplement is sweet but also slightly sour, and it certainly has a fruity overall flavour to it.

4 Gauge Pre Workout

The 4 Gauge Pre Workout (Photo: The Sport Review)

It was relatively pleasant to drink, although it does have something of a synthetic taste (this is the case with most pre workouts), and it mixed in really well and quickly when we combined it with water.

4 Gauge uses a number of different sweeteners to achieve its taste, including Dextrose and Monk Fruit Extract. The official website makes a song and dance about the fact that the supplement does not use an “artificial sweetener”.

In terms of the effects of the supplement, we could feel the caffeine having an effect after about 30 minutes, as you would expect, and it helped support us through our workouts in the gym.

4 Gauge

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

Overall, we really enjoyed taking 4 Gauge about 30 minutes before training in the gym. The only real downsides here are the lack of other options in terms of flavour and a slightly synthetic taste.

How To Take It

The directions for use on the label say to mix one serving, which is actually two scoops, with water or juice about 20 to 30 minutes before exercise.

As we mentioned above, we mixed it with water and found that it dissolved very easily into our glass – the resulting liquid is a light pink colour.

4 Gauge

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

The official website says that you can consider taking two servings if you feel you need to. However, we’d recommend caution in this area, as having too much of ingredients such as caffeine can cause problems.

Because this supplement uses a relatively significant dose of Caffeine, we would not recommend consuming it too close to when you go to sleep.

Side Effects

As always, we strongly recommend that you speak to your doctor or a certified medical professional before taking any supplement for the first time.

We didn’t experience any side effects while taking 4 Gauge, but everyone is different and it is best to err on the side of caution when it comes to supplementation.

Ingredients such as Caffeine are known to cause side effects for some people, and this is an example of why it’s important to do your research into the ingredients and speak to a certified medical professional before trying a new supplement.

There’s a warning on the label saying not to exceed the recommended dose, and that you should discontinue use and consult your doctor if you have an adverse reaction to the product.

The label also says that 4 Gauge should not be used if you have a pre-existing medical condition or are taking any medications. It also says that it should not be used by anyone under the age of 18.

The label also says that because the product contains Caffeine, it should not be used by people who are looking to eliminate Caffeine from their diet.

4 Gauge Pre Workout Powder

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

4 Gauge Reviews

We took a look online to see what other customers were saying about 4 Gauge.

The one problem with Roar Ambition’s supplements is that they are only available to buy via the official website, and so verified reviews on sites such as Amazon don’t usually exist.

The official 4 Gauge website features plenty of testimonials from customers which are claimed to be “100% genuine”.

The 4 Gauge reviews on the official site are largely positive, but we’re always a bit skeptical of what manufacturers publish about their own products on their own websites, so these are probably best taken with a pinch of salt.

4 Gauge Pre Workout

The 4 Gauge Pre Workout (Photo: The Sport Review)


There is no getting around the fact that 4 Gauge is a premium-priced supplement. It may not fit into everyone’s budget and there are certainly cheaper alternatives out there.

At the time of writing, one bottle (which contains 20 servings) costs £25 / $45 / €35.

If you are looking to shave a few dollars of the price, Roar Ambition do offer discounts if you’re buying more than one bottle at a time from the official website.

Pros and Cons

Let’s now weigh up some of the pluses and minuses when it comes to 4 Gauge.


• Nice Ingredients – Common pre workout ingredients such as Creatine, Citrulline Malate and Caffeine Anhydrous.

• Low In Calories – Each serving contains just five calories and four grams of total carbs, according to the supplement facts.

• Tastes Pretty Good – The ‘Fruit Blast’ flavour is pretty nice – fruity, sweet but also slightly sour.

• No Proprietary Blend – The manufacturers have listed each ingredient along with their exact doses.


• Price – It’s more expensive than a lot of other similar pre workouts, so may not fit into everyone’s budget.

• Can Only Buy Online – You can only buy direct from the company on the official website, meaning you won’t find it in the shops or on Amazon.

• Flavour May Not Be For Everyone– We liked the ‘Fruit Blast’ flavour – but its slightly synthetic taste may not suit everyone.

4 Gauge

4 Gauge Pre Workout Supplement (Photo: The Sport Review)

Conclusion – Our Final Thoughts

Overall, we were quite impressed with the 4 Gauge pre workout supplement.

It contains a solid list of ingredients at decent doses, and we enjoyed using it before our gym sessions.

It’s good to see things such as L-Citrulline DL-Malate, Creatine and Caffeine included in the formula, and it’s good news that we can see the doses of each of the ingredients.

One of the major factors to consider when it comes to pre workout supplements is the taste. Overall, enjoyed the ‘Fruit Blast’ flavour, which mixed pretty well into water.

It’s also clear that this is one of the more expensive pre workout supplements on the market right now.

That all being said, we think that 4 Gauge is a great pre workout option if you’re looking for a supplement to take before your training – and it does make it onto our list of our favourite pre workouts.

The information on this website is intended for entertainment purposes only and does not constitute professional, medical or healthcare advice or diagnosis.

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