The Safest Fat Burner In 2023- Top 5 Best Fat Burner That Actually Work!

Fat burners are one of the most popular types of dietary supplements on the market today. Due to a combination of global obesity levels soaring and social pressure to get in shape, people everywhere are looking for ways to lose weight and tone up, and fat burners are being sold as a fast way to do so.

The only issue is, there are lots of people who will tell you that fat burners are bad for you, and there is some truth to that. Most of the danger linked to fat burners is only caused by prescription weight loss drugs, but there are some natural, over the counter fat burners that can cause you issues as well.

Those with experience in the industry may be able to tell safe fat burners from dangerous ones, but how does the average person stand a chance when weight loss supplements are mainly made out of uncommon ingredients that the vast majority of those trying to lose weight will never have heard of?

Well, that is an issue we hope to solve with the following article. By giving you an insight into exactly how some of the safest and most effective fat burner ingredients work, you’ll be better prepared to pick the one you feel will work best for you from the range of great, safe fat burners that we suggest.

Safe Fat Burner Ingredients

First off we’re going to look at which ingredients for over the counter fat burning supplements are actually safe and aren’t going to result in any nasty side effects, we’ll get onto the specific products after that, but in case you want to skip straight to the point, we rated these as the top 3: 

Hunter Burn – Best Overall
Instant Knockout – Best with Caffeine
Hourglass Fit – Best for Women

Glucomannan

Glucomannan is an extract from the konjac root plant, also known as the elephant yam. Commonly found in foods in East Asia, such as noodles, tofu, flour, and pasta, it is a great source of water-soluble fibre, which various studies suggesting that it is one of the very best types available (1).
It is very useful in weight loss supplements as it functions as a potent appetite suppressant. By being extremely low in calories and significantly expanding when it comes into contact with water in your gut, it prevents you from feeling hungry and overeating and makes it easier to stick to a healthy diet.
As an added bonus, it also slows the speed at which food is released from your stomach. This gives your body more time to process it and use everything up, which further accelerates weight loss and encourages body fat stores to be burned, all while also preventing any new ones from being created.

5-HTP

5-HTP is an amino acid also known as 5-hydroxytryptophan that is quite unique among fat burner ingredients, in that not only does it offer as many mental benefits as it does physical ones, but it can also pass across the blood brain barrier far more easily than the majority of other compounds.

At its base level, 5-HTP is a precursor to the neurotransmitter serotonin, which is what controls the production of “feel good” hormones and chemicals within the human body. By taking 5-HTP, you will boost your production of serotonin, which in turn will enhance the production of these other things.
This will aid weight loss by directly boosting fat burning and supressing your appetite, so that you do not overeat and gain weight. It will also improve your sleep quality and reduce anxiety, stress, and depression levels, which will prevent cortisol being reduced, a hormone known to cause fat gain (2). 

White Kidney Bean Extract

White kidney bean extract, also sometimes called phase 2, is a concentrate made from white kidney beans that is put in dietary supplements aimed at weight loss as it has the ability to stop your body from absorbing as many carbs from the foods you eat by inhibiting the digestion of dietary starches.
This means that it will help your body to absorb fewer carb calories from any foods in your diet that contain starch, as these simple carbs will just sit in your gut until they are either excreted out with your waste or fermented by the bacteria in the colon.
It will also give you better sugar control and prevent blood sugar spikes, which are one of the main causes of weight gain (3). This makes it a perfect choice for people who find it extremely difficult to stick to a calorie-controlled diet, eat the right foods, or keep their portion sizes down.

L-Theanine

L-theanine is an amino acid best known as a sleep aid, as it is vital for the maintenance of  a healthy sleep wake cycle. It does this as it reduces stress and anxiety, and boosts relaxation, sleep quality, mood, focus, and immune and brain functions, so it is easier to fall asleep fast and have a deep sleep. 
However, these same benefits and effects are also very useful in a weight loss supplement, as they will both prevent the release of the hormone cortisol, which would cause fat storage, and help keep food cravings at bay, which would cause you to overeat, both of which would cause weight gain (4).
By preventing you from gaining weight, while also boosting the natural fat burning process and your exercise performance, recovery time, and overall health, l-theanine is a fabulous yet safe ingredient that will benefit the weight loss process from virtually every angle.

Green Tea Extract

Green tea extract is a popular ingredient in weight loss supplements as it contains a catechin called EGCG, which is a potent antioxidant, as well as various other nutrients, such as calcium, copper, iron, magnesium, manganese, protein, vitamin a, vitamin c, vitamin d, vitamin e, vitamin k, and b vitamins.

Between them they up your body’s rate of lipolysis, so you can convert stored fat into usable energy more efficiently, while also offering additional health benefits like reducing cholesterol, stress, and blood pressure, boosting heart and brain functions, and treating diabetes and other health issues.

Green tea extract also contains a natural form of caffeine. This will allow you to enjoy some of the energy and metabolism boosting effects of the chemical, which are greatly beneficial for weight loss, while removing most of the drawbacks that can be linked to both it and other stimulants (5).

Chromium

Chromium is a chemical element and trace nutrient that has been proven to enhance the brain's insulin receptors and production of the neurotransmitter serotonin.

This can aid weight loss by regulating your blood sugar levels, boosting your energy levels and nutrient absorption, improving sleep quality and brain functions, reducing food and sugar cravings, preserving muscle tissue, and preventing weight gain, particularly in regard to visceral fat (6).

Much like some of the other ingredients that we have looked at, this all makes chromium greatly beneficial in a safe fat burner, as it helps to promote weight loss from almost all known angles.

Vitamins & Minerals

Vitamins and minerals are extremely important in weight loss supplements as they can help to aid fat burning and weight loss on their own, while also keeping your body as healthy as possible while it sheds fat. This is why the best safe fat burners will usually contain a good blend of these ingredients.

Depending on the vitamin or mineral in question, they can offer benefits like boosting your metabolic rate and energy levels, optimising fat oxidation and carbohydrate breakdown, balancing your insulin and hormone levels, and preventing fat storage and hunger cravings.

They can even offer benefits that will support weight loss as a secondary function, such as improving your muscle growth, mood, testosterone production, and skin, hair, and joint health. This is why it is always a good idea to lean towards fat burners that contain a decent range of vitamins and minerals.   

The 5 Safest Fat Burners In 2023

Hunter Burn – The Safest Fat Burner Overall

Hunter Burn is not just one of the safest weight loss supplements on the market today, but it is also one of the very best. It functions first and foremost as an appetite suppressant, but also doubles up as a powerful fat burner supplement, to try and help you lose weight from every possible angle.

The Hunter Burn formula consists almost exclusively of ingredients that we have already looked at, and includes glucomannan, white kidney bean 20:1 extract, vitamin d3, green tea extract, and l-theanine, as well as one new ingredient, which is cayenne pepper extract.

By combining glucomannan and white kidney bean extract in a single supplement, Hunter Burn is able to offer some of the most impressive appetite suppression you will find in any diet pill, whether it be on a prescription of over the counter.

The l-theanine then improves your focus, relaxation, sleep quality, immune system, and energy levels, while reducing anxiety and stress. This should ensure that you have all of the mental support that you could possibly want on your weight loss journey.

Finally, the cayenne pepper, green tea extract, and vitamin d3 will then work in unison to enhance both the absorption and efficacy of all the other ingredients, promote fat burning directly, and aid your workout performance and overall health (7).

By having both potent appetite suppressants, fat burners, energy boosters, and performance, health, and recovery enhancers in a single supplement, it ensures you can stick to the type of diet required to lose weight effectively, while making sure the results it produces are as noticeable as possible.

Pros
•    Contains optimal doses of each of its scientifically proven ingredients, to guarantee maximum efficacy without putting you at risk of experiencing any side effects
•    One of the most potent appetite suppressants on the market today
•    Does not include any ingredients that haven’t been proven to be both safe and effective
•    Virtually all customer reviews are extremely positive

Cons
•    Some users have reported that it suppressed their appetite so much that they didn’t want to eat for an extended period of time, which can be unhealthy
•    Only available directly from the official Hunter Burn or Hunter Evolve websites

Instant Knockout Cut – The Most Effective Safe Fat Burner If You Don’t Have Any Issues With Caffeine

Unlike Hunter Burn, Instant Knockout Cut is first and foremost a thermogenic fat burner, although it does provide effective appetite suppression as a secondary function. 

It was made to help top level combat athletes like boxers or MMA fighters lose weight before a fight, without the risk of losing muscle mass or taking any ingredients that were banned in their sport.

Instant Knockout Cut again uses a variety of the ingredients that we looked at above, and has green tea extract, glucomannan, l-theanine, vitamin b6, vitamin b12, vitamin d3, and cayenne pepper. 

However, it also contains black pepper extract and caffeine, the latter of which is an issue for some. The nature of stimulants means there are some people who simply cannot take them, due to how they make them feel. However, if you can take it, caffeine is extremely beneficial for weight loss.

You see, caffeine stimulates thermogenesis, speeds up the metabolism of fatty acids and stored fats, and boosts your energy levels and workout performance, all of which will aid your weight loss (8). 

The main issue that some people have with caffeine is they find it causes them to experience crashes, come downs, and sleep problems. However, l-theanine is proven to prevent these issues, which is why we feel it qualifies as one of the safest fat burners around.

The glucomannan then fills you up by swelling in your gut, so you eat less food, while the green tea extract enhances digestion, preventing the bloating that can sometimes occur when using this type of dietary fibre.

The cayenne and black pepper extracts enhance the bioavailability of all the other ingredients in the supplement, making them easier to absorb and more effective, while being of particular importance to its thermogenic capabilities, as they both possess thermogenic qualities of their own (9).

The vitamins then ensure that your body is fully healthy, functional, and recovers quickly, while adding their own benefits to the weight loss process. 

As an incredibly powerful fat burner that also possesses impressive appetite suppression capabilities, we would recommend Instant Knockout Cut as the very best fat burner for everyone but those with the most severe intolerances to caffeine.

While some people may still be a little unsure because it does contain it, the steps that have been taken to prevent any side effects, as well as its optimal ingredient dosages and high level of efficacy, still easily earn Instant Knockout Cut the 2nd spot on our list of the safest fats burners in 2023 as well.

Pros
•    FDA approved, suitable for vegans & gluten free
•    Can aid weight loss by all known methods
•    Promotes weight loss while supporting muscle retention and not using anything that would cause you to fail a drug test
•    The ingredients work in synchronicity with each other to prevent any side effects
•    Supports you both mentally and physically throughout your weight loss journey
•    Comes with either a 14 or 30 day money back guarantee if you are not completely satisfied
•    Reviews from both athletes and regular users are all extremely positive

Cons

•    The presence of caffeine means it may be unsuitable for people with a severe intolerance to stimulants
•    Only available directly from the official Instant Knockout website

Hourglass Fit – The Safest Fat Burner For Women

What makes Hourglass Fit quite unique in the world of weight loss supplements is that, while it most definitely can be used by everyone, it was specifically designed to promote weight loss and fat burning while taking all of the needs of the female body into account.

The Hourglass Fit formula consists only of ingredients that we have already looked at with Capsimax cayenne pepper extract, Bioperine black pepper extract, glucomannan, vitamin B2, vitamin B6, vitamin B12, zinc, 5-HTP, and chromium.

As we discussed earlier, glucomannan, 5-HTP, and chromium are all appetite suppressants, but they work in very different ways. By combining the three together, it virtually assures that hunger cravings and overeating will not be an issue or derail your weight loss.

5-htp can cross the blood brain barrier and aid serotonin production, which makes you feel happier, more satiated, and relaxed, improves your sleep quality, and reduces anxiety and depression. Not only does this help you stick to your diet and exercise plan, but it also promotes direct fat burning. 

Chromium also boosts serotonin production, but its best function is its ability to control blood sugar levels and nutrient absorption. It can then also enhance the effects of all the other ingredients used.

Glucomannan then simply expands in your gut to make you feel physically full and not want to eat. 

The Capsimax cayenne pepper extract and Bioperine black pepper extract will then stimulate thermogenesis, reduce inflammation and pain, boost digestion and metabolism, and improve the absorption and effectiveness of all of the other ingredients in the formula.

B vitamins also improve your metabolism and rate of nutrient absorption, but also boost the health of the cells, nerves, and immune system, aid antibody, red blood cell, marrow, and DNA production, and help to encourage better repair of bodily tissues, to keep you healthy and training (10)(11)(12).

Zinc then stimulates the pituitary gland, boosting luteinizing hormone and testosterone production, increasing muscle growth, preventing fat storage, improving DNA synthesis, energy levels, vision, immune health, metabolism, and recovery, and reducing inflammation and the signs of aging (13).

By combining the effects of these optimally dosed ingredients together, Hourglass Fit is able to work as a safe yet effective fat burner. It can help women to safely achieve the body of their dreams, while providing a gentle lift for men seeking an assist with their own physical development as well.

Pros
•    Provides appetite suppression, fat burning, and energy boosting qualities all at the same time
•    Each of the ingredients is scientifically proven to aid weight loss and present in an optimal dose
•    Has been specifically designed with the needs of the female body in mind but can also be used by men

Cons
•    A little on the expensive side
•    Only available directly from the official Hourglass Fit website

EVLution Nutrition Leanmode – The Safest Fat Burner For People On A Budget

While many of the safest fat burner supplements have a fairly high price tag, those shopping for safe diet pills on a tight budget should take a look at EVLution Nutrition Leanmode.

A stimulant free fat burner with a low-price tag, it contains conjugated linoleic acid (CLA), green coffee bean extract, acetyl l-carnitine, l-carnitine l-tartrate, and chromium picolinate. As you may immediately notice, most of these ingredients are things we have not looked at yet.

Chromium works the same as it did in Hourglass Fit to boost your serotonin production and help you control your appetite.

CLAs are fatty acids that interact with hormone receptors called PPARs (peroxisome proliferator activated receptors) to accelerate fat burning, regulate your hormone and blood sugar levels, prevent weight gain, and reduce inflammation (14).

Green coffee bean extract is similar to green tea extract in that it is a natural source of caffeine and certain antioxidants, although it also contains chlorogenic acid (15).

The chlorogenic acid can help regulate your blood glucose and blood pressure levels and boost your metabolism, health, and recovery. The caffeine makes you more energetic and can burn fat directly.

Acetyl l carnitine is an amino acid derivative of l-carnitine that can cross the blood brain barrier (16). It can boost fat metabolism and fatty acid usage, reduce blood sugar levels, and aid brain functions.  

L-carnitine l-tartrate is a combination of l-carnitine and tartaric acid salt which can help to enhance lipid metabolism, energy production, muscle growth, calorie burning, and muscular recovery (17). 

Unfortunately, as you might expect with a budget fat burner, there are a few drawbacks. Not only are some of the ingredients not conclusively proven to work, hence why they were not on our list of the best ingredients, but those that do work appear to be present in a dosage lower than is ideal as well.

However, if you are shopping for fat burner supplements on a very tight budget and want a product that you can be sure is safe and will produce at least some results, EVLution Nutrition Leanmode is a good option to try.

Pros

•    Very affordable
•    Most of the ingredients have been proven to have some benefit for weight loss
•    Completely vegan friendly and gluten free
 

Cons
•    Unlikely to produce significant weight loss
•    Some of the ingredients need to be studied more, while others need to be used in higher dosages for optimal effects

Now Foods Glucomannan – The Safest Pure Appetite Suppressant

Now Foods Glucomannan capsules are made using only 1,725 mg of 100 percent pure glucomannan. They feature virtually no calories and very little carbs, all of which is from dietary fiber, so they are an ideal choice to help you prevent hunger cravings and fully suppress your appetite. 

They are able to easily pass through the gut and proven to not cause weight gain, blood sugar spikes, or any unwanted energy, and there is even evidence that they may be able to ease constipation. This means that they can be used to keep hunger at bay, no matter the time of day or night.

The small amount of vegetable magnesium stearate used to stop the powder from sticking together and boost its absorption may even improve nutrient absorption and further lower your blood sugar.

Admittedly though, there are a couple of drawbacks to Now Foods Glucomannan I must point out. 

Not only does having no supporting ingredients mean that it can only aid weight loss in a single way, but the dosage is also quite a bit lower than in some of the best fast burners that use glucomannan.

That said, if you are on quite a tight budget, only need help taking the edge off of your hunger and would prefer to stick to using a natural dietary fibre to do so, Now Foods Glucomannan can still be a very good way to go to do so.

Pros

•    Contains only 100 percent pure glucomannan, which is proven to suppress your appetite and prevent weight gain
•    Very affordable
•    A great fat burner to use before bed as it can keep you satiated while you sleep, while also preventing certain sleep disturbances, such as constipation
•    Can help to lower your blood sugar levels

Cons

•    Using a bovine gelatin capsule means that it is unsuitable for vegans and vegetarians
•    The amount of glucomannan per serving is lower than in the top glucomannan diet pills
•    Containing only a single ingredient means that it can only promote weight loss in one way

Ingredients To Avoid In Weight Loss Supplements

Ephedra Extract
Ephedra extract is a pure form of the ephedra herb, which is well known to boost metabolism, fat oxidation, and thermogenesis. This has helped it gain a reputation as an effective weight loss aid.

However, ephedra is also linked to an extensive list of side effects, such as anxiety, dizziness, dry mouth, headaches, heart issues, insomnia, irritability, mood swings, nausea, and other issues (18).

This has led to ephedra being banned in a large number of countries, including the United States. However, as it can still be purchased online, it is important to know what you are buying and make sure that you avoid this incredibly dangerous substance at all costs.

Phentermine
Phentermine is a prescription weight loss drug that is frequently prescribed in America to combat obesity, as it can be extremely effective at doing so. However, due to its incredibly high level of potency, it can also cause a huge range of unpleasant side effects and severe complications.
This can be things like trouble breathing, kidney disease, an elevated heart rate, irregular heartbeats, heart disease, heart failure, addiction, and withdrawal symptoms when you try to stop using it (19). 

As a result, you should only ever use phentermine as an absolute last resort, after all other options have been exhausted, and under recommendation and close observation by a medical professional.

Apple Cider Vinegar Powder
While it by no means has the same sort of reputation as the previous two ingredients we looked at, apple cider vinegar powder can also produce a range of nasty side effects if consumed in large doses. 
What makes it particularly worthwhile looking out for is that, unlike the other two ingredients to avoid, apple cider vinegar powder is not banned anywhere and is cheap, so can be freely included in supplements.
Given that it has not been proven to actually be of any use, is often used in large amounts, due to its low level of efficacy, and can cause issues with your teeth, internal organs, and intestinal tract, any fat burner supplements that contain apple cider vinegar powder should be avoided at all costs (20). 

Final Thoughts On The Safest Fat Burner Supplements In 2023

Fat burner supplements are a great way to help you lose weight and, while there are some unsafe options out there, the majority will be completely safe to use. There are also a great number of safe weight loss pills for you to choose from, although none quite fit the bill as well as Hunter Burn does.

A weight loss supplement that uses nothing but optimal doses of safe, natural, clinically proven fat burning ingredients, it can help you tackle weight loss from every angle. With an ability to burn fat, boost energy levels, and supress your appetite, without causing side effects, it is great in every area.

If, for any reason, you do not feel that it is the right weight loss supplement for you, one of the other entries on our list of the safest fat burner supplements surely will be. For everyone else though, we highly suggest that you give Hunter Burn a try and see the amazing results it can offer for yourself.

Resources:
1.    https://pubmed.ncbi.nlm.nih.gov/15614200/
2.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8181734/#:~:text=5%2DHydroxytryptophan%20(5%2DHTP,in%20older%20adults%20is%20unclear
3.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7284421/
4.    https://centertrt.org/blog/benefits-of-l-theanine.html
5.    https://pubmed.ncbi.nlm.nih.gov/18326618/
6.    https://pubmed.ncbi.nlm.nih.gov/15208835/#:~:text=Supplements%20containing%20200%2D1%2C000%20mcg,chromium%20picolinate%20supplements%20are%20safe
7.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5426284/
8.    https://pubmed.ncbi.nlm.nih.gov/14684395/
9.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3113382/
10.    https://ods.od.nih.gov/factsheets/Riboflavin-HealthProfessional/
11.    https://easna.org/blog/what-does-vitamin-b6-do.html
12.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5987952/
13.    https://pubmed.ncbi.nlm.nih.gov/8875519/
14.    https://examine.com/supplements/conjugated-linoleic-acid/#dosage-information
15.    https://pubmed.ncbi.nlm.nih.gov/31398662/
16.    https://pubmed.ncbi.nlm.nih.gov/32359762/
17.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8541253/
18.    https://www.ncbi.nlm.nih.gov/books/NBK548711/
19.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2687747/
20.    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8243436/

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