4 Guage Review

Spiceium's complete Coverage for 2021.

User Reviews
Total Score

A pre-workout supplement that would help us boost our gym performance without suffering any of the nasty side effects. Shaped like a shotgun shell, it is really that effective at all?

A Brief History of 4 Guage

Instant Knockout is developed by Roar Ambition, a London-based supplement company. They are only available on their official website

The company is eager to say that the product isn’t intended just for men, despite the masculine marketing: “OK, so you could be forgiven for thinking Instant Knockout is a guys only formula. But it’s not.

“It’s a highly-powerful fat burner, plain and simple and it doesn’t matter if you’re male or female, it’s designed to help you get rid of your unsightly, unwanted fat.”

Parker said: “One of the main things we’ve learned is that quality always wins over quantity. Our customers are mainly men aged 21-30, and they’re educated – they are seeking out the latest ingredients and the best formulas. They are not brand loyal; they will research and shop around to get the best products on the market.

“We specialize in burning fat and supporting testosterone – the two key areas that men are most concerned about, to allow them to build muscle and stay lean. We could have expanded our range but playing to our strength allowed us to create two really strong products. We’re always consulting with athletes and nutritionists and looking at the latest research to ensure we’re using the best ingredients. Our formulas are updated every six – 12 months.”

Ingredients - Lets see what each 4 Guage pill has inside of it

4 Guage Contains Specially Selected Natural Ingredients. 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.

4 Guage Supplement Nutrition Facts
  • Save

Extracted from watermelons, Citrulline Malate is arguably the most effective vasodilator on the market.

It delivers kick-ass muscle pumps that make your body both look and feel better. Watch your arms and veins pump-up with every rep, and know what it feels like to have your muscles as big and hard as they can possibly get.

Citrulline is converted by your kidneys into L-Arginine, an amino acid that greatly promotes your body’s overall levels of nitric oxide – which dilates your blood vessels, letting more blood surge through your muscles.

Not only that, studies have shown 6000mg before exercise has resulted in growth hormone increases of 66.8% after a workout. [1]

In fact, all sources seem to point to 6000mg of Citrulline being the sweet spot to unlock this nutrient’s range of benefits – so we packed the full dosage into a serving of 4 Gauge.


[1] Sureda A, Cordova A, Ferrer MD, Perez G, Tur JA, Pons A. L-citrulline-malate influence over branched chain amino acid utilization during exercise. Eur J Appl Physiol. 2010;110:341–351. doi: 10.1007/s00421-010-1509-4

Great for your body, mood and mindset. Rhodiola Rosea is a Scandinavian herb that is used often by both athletes and academics.


So how does it work?

It helps how your body manages resistance – and we’re not just talking about weights. Anything tough, be it mental or physical, Rhodiola can helps you build a tolerance to it.

Numerous exhaustive studies have shown the herb to combat both fatigue [3] and depression [4], while boosting cognition [5] and subjective well being. [6].

We chose Rhodiola because it helps eliminate every aspect of a workout that saps motivation, and strengthens that excitement you get when you walk into the gym.

It’s the equivalent of training with your favorite workout partner on your best day. You’re happy, strong, and are ready for anything the session can throw at you.


[3] 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

[4] 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

[5] 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

[6] 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

Working as a nitric oxide booster and a performance enhancer, Beta Vulgaris is nature’s secret weapon for overall physical performance.


Having been used by athletes beetroot has been seen to increase plasma nitrate by 52%, resulting in an improved anaerobic performance of 4.2%! [7]

That’s like a running 6-minute mile today, and then running it again in 5:44.88 minutes tomorrow.

Whatever sport you compete in, you know this can be the difference between winning and losing.


[7] Wylie LJ, Mohr M, Krustrup P, et al. Dietary nitrate supplementation improves team sport-specific intense intermittent exercise performance. Eur J Appl Physiol. 2013;113:1673–1684. doi: 10.1007/s00421-013-2589-8

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.

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.

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.

Overall Quality Verdict

The thing that we think speaks most to the overall quality of TestoFuel is its range of ingredients, all of which are proven to provide some kind of benefit linked to testosterone or luteinizing hormone production and regulation.

As we discussed above, ingredients such as tribulus terrestris and the more absurdly named horny goat weed have shown very weak relationships to an enhanced production of testosterone, so it is good to see that these arguably worthless ingredients have been omitted.

What’s more, TestoFuel is also free of caffeine and other stimulants which means that you can enjoy a significant boost to your T levels without any unnecessary jitters or loss of sleep.

Usage & Dosage

According to the product, to receive the full effect of Instant Knockout, you should consume one red capsule four times per day at the following times:

    • When you get up in the morning
    • Before you eat lunch
    • In the afternoon
    • Before you eat dinner

You should take them all before dinnertime.

According to the official Instant Knockout website, it’s fine to stack most other supplements with Instant Knockout. However, because Instant Knockout already contains 300mg of caffeine per day, the company recommends avoiding other supplements containing stimulants.

Please Note : We strongly recommend that you speak to your doctor or a certified medical professional before taking any supplement for the first time.

Feeling Low on Testosterone

Training either physical or in a gym is a demanding process. Most people try to avoid either of these sessions, attempting to find other ways to achieve fitness and muscle growth.

At the same time a quite large number of persons obsessed with the size of their muscles, are engaged in an unbelievable hard training programme in order to fulfil their dreams or desires.

Among these people chasing the dream of a greater muscle mass a lot of people find resort to various supplements and proteins, hoping the increase of muscle mass will eventually come.

This is a brief account of the problems dominating the majority of persons trying to acquire a large muscle mass. However the real problem is that even when all these are realized the expected result never arrives. This is because none of these people hits the core of the problem.

Looking a little more carefully into this we find that the real cause lies in the imbalance of hormones and not in the amount of training or the number of supplements received.

More specifically, a hormone called testosterone seems like being the missing link responsible for the imbalance of hormones in the body. Let’s clear here that without the sufficient amount of testosterone, it would be very difficult, if not impossible, to have any muscle gain, no matter how hard you train, or how careful is the nutrition followed.

Low testosterone levels means, high estrogen levels. As men, we need more testosterone than estrogen in our body, so a higher muscle growth and sex drive are achieved. The lower the estrogen levels, more testosterone created and received.

A number of ways or methods are known to date for increasing the testosterone levels including the use of steroid injections, gels, hormone replacement therapy or oral pills, being proved either quite expensive or risky for the human health, leading in many instances to fatal side effects.

In view of this situation the use of natural testosterone boosters is always recommended. Testosterone boosters like TestoFuel containing natural ingredients are capable of boosting the testosterone levels to normal levels again. TestoFuel can also enhance your sexual functions for a better bedroom performance.
So prior to spending money for any expensive treatment, you should consider trying TestoFuel. Read below and you agree with me it is worth it!

Side Effects - An Important Question

Before taking any supplement, you’ll want to be sure that the product doesn’t contain any banned or risky ingredients. Instant Knockout is essentially a food supplement which contains some plant extracts, as well as some Vitamins and Minerals and the stimulant Caffeine.

You can experience side effects when taking Instant Knockout. This blend of ingredients is designed with a high amount of caffeine from the green tea and can disrupt your normal schedule when you first incorporate the product into your diet. Thus, you might incur the following side effects:

    • Difficulty falling asleep. This could happen because of Instant Knockout’s natural stimulants. You might want to start taking only two capsules before lunchtime to lessen your caffeine intake later in the day.
    • Choking. You should take each of the four capsules with a large glass of water to help the pill go down.
    • Upset stomach. If you feel nauseated or vomit, you should lessen your intake. Try halving the dosage for a while before going back up to four pills a day, per the recommended dosage. Although manufacturers advise taking the pill before meals, you might find eating it with food is helpful on a meek stomach.
    • Headaches. With the stimulants, especially if you do not normally ingest caffeine, you could get headaches. You can also help with this issue by reducing the amount of pills you take per day and slowly building up to the four times/day dosage.

One thing we found with supplements in this category is that many of them tend to be overloaded with stimulants such as Caffeine. Ingredients such as Caffeine can cause side effects for some people, and that’s why it’s always important to seek advice from a certified medical professional before starting with any new supplement.

Please Note : We strongly recommend that you speak to your doctor or a certified medical professional before taking any supplement for the first time.

  • Save
Positive Notes
  • Save
Negative Notes

Pricing & Purchasing

Instant Knockout prices are:

  • One bottle (one month supply): $59
  • Two bottles (two month supply): $118
  • Three bottles (four-month supply): $185

Instant Knockout also comes with a 90-day money-back guarantee. If you are not happy with your results, you can get your money back.

While many official retailers don’t stock Instant Knockout, the official website offers free delivery when you order three bottles (plus a bottle for free!), or free delivery to the USA and the UK if you order two bottles.

Scam Alert : Instant Knockout discount or coupon codes are not available anywhere online. Their website is the only source and they run multiple offers across the year such as 1 month free supply and free shipping with a money back guarantee when you purchase only from official website.

User Reviews


“Hi, My name is Jose and at 33 I begin to notice that my testosterone levels were not as they when I was in my late 20’s.

My mood was bad, energy levels were low and I had trouble wanting to get myself in the gym. I tried other test boosters that were out on the market and none of them worked.

Some require me to take a post cycle therapy which meant that my hormones were all over the place.

That all changed when I stumbled across TestoFuel on the internet. At first i thought that this would be another supplement that give me no results, but i was convinced after reading a few testimonials, so I decided to give it a try.

For me it took a while to get started, there wasn’t much going on in the first month. But then…

On my second month I noticed that I had more energy and I couldn’t wait to get in the gym.

I noticed progress after every week. I took this product for four months and I am happy with the results and my libido and sex drive was also through the roof. I also received a work out and eating routine ebook which was a great help.

I only work out three days a week for one hour and got better results than when I was going to the gym six days a week. I am ordering another four month supply and can’t wait to get started again.”


“Now middle-aged, I was overweight, out of shape, lacking energy and not happy with the way I looked. I’d let myself get this way because of a busy family life and by sitting in front of a computer every day for years. I wanted to get back to my old self, I wanted to feel the way I did when I was in my twenties again.

I started researching online about muscle supplements, natural testosterone boosters and the different ingredients. I found some conclusive studies behind D-Aspartic acid and Vitamin D for boosting test levels naturally in men, that’s when I came across TestoFuel. It was rated number 1 by a lot of websites and had good reviews on forums.

I bought the 4 box deal and set myself a challenge, to get back in shape in just 4 months. Within a few weeks I could feel the difference, more energy and a lot more motivation to go to the gym and eat healthier.

As you can see from the pics I reached my goal and got the results with TestoFuel, I look and feel great and I’ve got my confidence back.

I still want to lose a bit of fat, get even stronger and fitter. So, I’ve just bought another 4 box supply.”

We would like to conclude by saying.

If considered for boosting testosterone, a little or no effect is demonstrated. Some users had noticed no improvement in their testosterone levels, sex drive and muscle mass, while others feel a boost in strength and workouts performance. Testofuel is very good for men over 35 years, where their testosterone levels are.

TestoFuel is an amazing multi-vitamin — testosterone booster, designed for athletes and bodybuilders wishing to develop a greater muscle mass. Its ingredients are safe and effective to boost the body natural testosterone levels and also improve the sexual functions.

Testofuel contains no stimulants, additives, dyes or steroids, with all its ingredients found natural. The ingredients have been scientifically tested and proved, containing no proprietary blends, with its ingredients printed in full on the label. 

After considering its ingredients, testimonials, expert reviews and comparative research in the market, we have concluded that TestoFuel is an all natural, safe and legal testosterone boosting supplement for building muscle mass and losing fat, equally recommended for both men and women of ages above 18. Its price is a bit high but if purchased in bulk supplies keeping in view the testimonials of various satisfied customers then it will provide a really good deal, so we recommend you to buy it from the official website only to avoid any copy products and avail genuine offers and benefits.

A score of 4.5 out of 5 points is given to Testofuel, since the reviews online have been great, lots of customers have testified its effectiveness. They claim of seeing significant difference in their:

  1. Sexual life
  2. Testosterone levels
  3. Muscle and physique
  4. Energy levels

It is good to know that Testofuel won’t work for everybody, while it might take a little before you start having significant results. Most people have reported seeing results within one month, while some never experience any results. To see the best results, you should combine Testofuel with a healthy diet and regular exercise.

Testo Fuel is also known to stack up well with other supplements, making it ideal for those who wish to grow more extra muscle.
Free worldwide shipping

On all orders above $100

International Warranty

Offered in the country of usage

Easy 30 days returns

30 days money back guarantee

100% Secure Experience

PayPal / MasterCard / Visa

Copy link
Powered by Social Snap