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JNX Sports The Ripper Fat Burner Review
Results & Side Effects

Tyler Sellers
Published by Tyler Sellers
Fact checked by Donald Christman, BHSc FACT CHECKED
Last updated: October 11, 2021

Hyped up weight loss supplements seem to pop up every single day.

And Cobra Labs' The Ripper Fat Burner is one that seemed to follow me around social media in various advertisements.

Unfortunately, our experience with these types of “lose weight fast” supplements has been hit and miss, with a lot more misses than you might think.

So, when a few of our regular readers asked us about The Ripper Fat Burner and how well it worked, we decided to take a closer look.

Some of our clients were willing to test it as well, so we have some real results to share with you.

What Is The Ripper Fat Burner?

The Ripper Fat Burner

The Ripper Fat Burner is an effective fat-burning supplement that claims to use a unique science-based formula to burn fat and energize your mind and body.

It’s a simple powder formula that you mix with water and drink first thing in the morning.

The idea is that it may help your body increase its basal metabolic rate (BMR) and release energy from stored fat reserves.

That added energy is then available to fuel your muscles and brain to perform better at everyday tasks.

Cobra Labs is an American company, and they have made several similar weight loss supplements before. But the company claims that this new formula is more potent and effective.

Recently, Cobra Labs has changed its name to JNX Sports but they still continue to manufacture The Ripper Fat Burner.


There’s also a claim that it now contains scientifically proven ingredients that may make you deal with hunger cravings.

And to help us analyze this claim, we pulled in the help of our trusted dietitian Susan.

Let’s take a look.

The Ripper Ingredients

Supplement Facts of Ripper Fat Burner

We have a lot to cover here, but before I get to what The Ripper Fat Burner contains, I have to point out a negative.

Cobra Labs have chosen to hide behind a proprietary blend of ingredients in their fat burner, which means you don’t get to know the exact amounts per serving.

This might make stacking with other supplements that bit more difficult.

1. Beta-Alanine

There are several studies that suggest beta-alanine may help with increased muscle power and lower levels of fatigue [1].

You’ll find this in quite a few pre-workout supplements because of this effect. But in most cases, they have quite a high dose, which The Ripper Fat Burner doesn’t look like it contains.

2. Guarana Extract

Guarana extract is a potent stimulant that contains a lot of caffeine. Some sources claim that it may contain six times more caffeine than coffee beans.

While this may be a good ingredient to stimulate your brain and metabolism, it could also mean that The Ripper Fat Burner is too dependent on stimulants, as there is some added caffeine as well.

3. Raspberry Ketones


Scientists have a theory that raspberry ketones have a similar structure to capsaicin.

And capsaicin is a known thermogenic booster, which leads some people to conclude that it may work the same way.

However, there is not enough evidence to make that final conclusion.

4. Caffeine

Caffeine is very common in fat burning and weight loss supplements.

It may bring about fat loss by triggering your thermogenic metabolism, which releases energy stored in fat to increase your body temperature slightly.

It may also be fast-acting, with increases in calorie burning that kicks in within about half an hour [2].

5. Taurine

This is a naturally occurring amino acid that has been linked to fat and cholesterol processing.

But there is also some evidence that it may improve physical activity performance, which was confirmed with a test group of runners [3].

6. Acetyl L-Carnitine

L-Carnitine may help the body produce more cellular-level energy, which is why you’ll regularly find it in pre-workout supplements.

This may boost your exercise endurance but also your ability to stay focused. We are just a bit skeptical that this product contains enough to make a difference.

“Acetyl-L-carnitine (ALCAR) is a powerful addition to your supplement toolbox. This valuable little molecule has been a staple in the bodybuilding and brain-hacking communities for years now, thanks to its ability to help you lose a few pounds and power up your brain.” - Spencer Brooks, Writer at

7. Green Coffee Bean Extract

green tea extract2

Green coffee bean extract comes from an unroasted type of green coffee bean, which some research suggests may help reduce how much new fat storage your body produces.

So, green coffee bean extract is not so much tied to losing weight, but more to not piling it on again.

8. Green Tea Extract

Many of you will drink green tea extract as a way to boost your antioxidants.

But green tea extract has also been linked to regulating blood sugar levels, which may go a long way towards losing weight and maintaining a healthy lifestyle.

There may also be benefits for your heart and blood pressure.

9. Cinnamon Bark Extract

cinammon sticks

We were a bit surprised about this ingredient as our dietitian mentioned that cinnamon has been used to stimulate appetite.

At the same time, it may help regulate blood sugar levels, which could play an important role during a weight loss plan.

10. Olive Leaf Extract

The only thing we could find to support the use of olive leaf extract was a study on mice that showed it might help with fat reduction.

However, that wouldn’t be enough for us to endorse it as a good ingredient, and it looks more like a filler in this proprietary blend.

How Does The Ripper Fat Burner Work?

The Ripper Fat Burner

The Ripper Fat Burner claims to work by stimulating thermogenesis, which is a natural process in the body. It slightly raises your core body temperature by burning off some extra calories.

This may lead to weight loss when combined with a healthy diet that puts you in a net-negative calorie intake throughout the day.

Several of the ingredients have been shown to support this theory, but it’s important to note that it won’t work by sitting on the couch while you work your way through a box of donuts.

It also claims to suppress appetite and control food cravings, but our research wasn’t able to confirm that claim.

Unfortunately, none of the ingredients have this as a proven benefit. And when we get to some customer reviews, you’ll see that people haven’t really experienced this.

How Do You Take It?

Taking Supplement

The Ripper Fat Burner comes in a powder form, and you have to mix 1 scoop (5g) with 6 ounces of cold water.

It seems to mix quite easily, so you shouldn’t need a shaker to avoid lumpy texture.

You should aim to drink it first thing in the morning on an empty stomach and wait for 30 minutes before eating your breakfast. You can also drink it before your training as a pre-workout supplement.

You should always assess your tolerance with any new fat burner or supplement.

And if you don’t have any reactions, then Cobra Labs suggests that you may be able to drink a second single-serving after lunch.

To get the maximum effect from The Ripper Fat Burner, it's recommended to use the supplement for a period of 60 days. You must be consistent in taking the fat burner and follow the suggested dosage to see the desired results.

Fat burner you may like: Trans4orm Fat Burner Review

Pros and Cons

pros and cons

To summarize our research on The Ripper Fat Burner so far, we’ve put together this list of what we did and didn’t like.

  • Users have reported some mental energy boosts
  • Strong caffeine content may contribute to weight loss
  • We thought the razor lime flavor was natural and refreshing
  • The ingredient amounts are hidden behind proprietary blends
  • 30 servings may not last a month if you drink a second serving per day
  • Several of the ingredients are not in strong enough doses

Are There Any Side Effects?

side effects

The first thing I have to say is that The Ripper Fat Burner is intended to be consumed by healthy adults 18 years of age and above. The supplement has quite a stimulating effect, and that could cause more side effects with younger people.

Our research and testing with clients so far have shown that the main complaint is that the amount of Guarana extract and caffeine seems to make quite a few people jittery. 

And taking it later in the day might mess up your sleep patterns so you better opt for a proven nighttime fat burner instead.

We suggest checking your tolerance with a single scoop, and if you experience any adverse reaction, then it might be best to use a different fat burner that doesn't contain any kind of stimulants.

Otherwise, you can take a second serving of The Ripper Fat Burner to get better and faster results.

Customer Reviews

While we trust the feedback from our clients, we also want to show you what people have said online about The Ripper.

He thought the fat burning effect of the product was OK but struggled a lot with jitters throughout the day. It also didn’t react well on the days he took a pre-workout supplement, which had some overlapping ingredients. - Matt from Springfield

This bodybuilder thought it provided a good mental boost, but he had to avoid taking it later in the day as it messed up his sleep. He was happy enough with the cutting effects. -  Steve from NYC

Frank uses this product occasionally and said that he needed to avoid drinking coffee when he did take it. He also suggests avoiding the pineapple shred flavor as it seems a bit sweet and fake. - Frank from Baltimore

Jay is a runner and thought that The Ripper Fat Burner had a fast-acting formula, and the mental boost may have helped for his morning runs. - Jay from El Paso

Where to Buy The Ripper Fat Burner

You can buy The Ripper Fat Burner on Amazon from $25 to $30 per bottle.

A bottle contains 30 servings which is good for a month if you won't have a second serving per day.

You may choose from 11 flavors which includes Dark Grape, Fruit Punch, Pineapple Shred, Pixie Sticks, Raspberry Lemonade, Razor Lime, and Watermelon Candy.

According to the JNX Sports website, The Ripper Fat Burner is also available at other stores like GNC, iHerb, M&S, and Naskor Sports.


Is the Ripper Fat Burner Safe to Take?

Yes, The Ripper Fat Burner is safe to take as long as you’re not sensitive to stimulants. It contains quite a high dose of caffeine and Guarana extract, which some people find makes them jittery. But we did find that all the ingredients are classed as generally safe to consume.

Other safe fat burning supplement: SuperHD Review

How Long Does It Take for the Ripper Fat Burner to Work?

It takes about 30 to 60 minutes for The Ripper Fat Burner to work. People tend to get better results when they drink it after fasting, as this may allow the ingredients to absorb faster and burn fat.

Similar product: Genius Burn Review

What is the price of The Ripper Fat Burner?

The Ripper Fat Burner costs about $25 to $30 per bottle depending on where you buy it.

Do We Recommend The Ripper Fat Burner?

Overall, we thought the The Ripper Fat Burner was an OK product if you’re not overly sensitive to stimulants, but it didn’t quite give us the same great results we’ve seen with other fat burning supplements.

Having said this, our top product in this category is still PhenQ because it continues to use a formula that suits most of our clients’ needs.

You also won’t feel jittery after it, as the stimulant dosage is more suitable.

Order yours today and check out our full product review as well.

Our #1 Recommendation



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2 thoughts on “JNX Sports The Ripper Fat Burner Review
Results & Side Effects

  1. I’m a newbie to the world of fat-burning supplements. Are pre-workouts (I take Total War) are still allowed or should I solely use the fat burner?

    1. Billy, you have a great question! Sure, but preferably a non-stim one so you don’t overdo it on caffeine, which can lead to unpleasant side effects including dizziness, nausea, jitters, and crash. Try out what works with your stomach well first.

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