5 Best Non-Stimulant Fat Burners (2024): My Actual Results

Supplements Considered 32
Supplements
Considered
Hours of Research 84
Hours
of Research
Reviews Examined 57
Reviews
Examined
Experts Interviewed 7
Experts
Interviewed
Lisa Lorraine Taylor, BSc, CPT
Published by Lisa Lorraine Taylor, BSc, CPT | Staff Writer
Last updated: February 1, 2024
We personally test every product featured in our reviews and guides. By ordering products anonymously and getting a group of independent testers, we are able to get first-hand experience and provide data-driven recommendations. Learn more.

From my years of experience as an athletic trainer, and personally being caffeine-sensitive, I’ve found significant benefits when I combined non-stimulant fat burners with my exercise regimen and balanced diet. It especially helped me target that stubborn belly fat that I struggled with.

I’ve also closely worked with diverse clients, including those battling hypertension, frequent heartburn, or those who prefer late-night workouts, giving me a unique perspective on their needs.

In this review, we will reveal the brand supplements that we believe are the best non-stimulant fat burners on the market today, and we will conclude with our top brand recommendation.

Let’s get started.

The Best Non-Stimulant Fat Burners

Editor's Choice
Burn Lab Pro
Burn Lab Pro
Ingredients
5.0
Effectiveness
5.0
Price
4.9
Overall Score 5.0
5.0
Click For Best Price
2nd Best Choice
Lean XT
Lean XT
Ingredients
4.7
Effectiveness
4.8
Price
4.8
Overall Score 4.8
4.8
Click For Best Price
3rd Best Choice
EVL Nutrition Lean Mode
EVL
Ingredients
4.7
Effectiveness
4.8
Price
4.7
Overall Score 4.7
4.7
Check Current Price

Our Top Stimulant-Free Fat Burners (February 2024)

1 - Burn Lab Pro (Best Overall)

Burn Lab Pro
5.0
Ingredients
5.0
Effectiveness
4.9
Price
Overall Score 5.0
Click For Best Price

Pros and Cons

Pros

  • Cayenne pepper works as a thermogenic
  • Forskolin improves hormonal balance to trigger fat metabolism
  • Contains HMB from branched-chain amino acids to retain muscle mass
  • Plant-based vegan-friendly product

Cons

  • Bulk buy savings could be a bit better

I dietician I consulted suggested this is the best fat-free burner, so I had to give it a try. I found it effective, and I liked that the company has kept it simple and doesn’t hide behind some proprietary nonsense.

It has effective ingredients like cayenne and forskolin, which have consistently shown promising results in fat loss training.

Check out our full Burn Lab Pro review.

By adding an ingredient called HMB, which is derived from BCAAs (branched-chain amino acids), you can reportedly diminish the risk of muscle wasting during a fasting period.

It’s not the cheapest fat burner product, but you get an all-natural, plant-based, top quality, stimulant-free fat burner formula.

2 - Lean XT (Cheapest Option)

Lean XT
4.7
Ingredients
4.8
Effectiveness
4.8
Price
Overall Score 4.8
Click For Best Price

Pros and Cons

Pros

  • Many positive comments about suppressing food cravings
  • L-Carnitine speeds up fat loss
  • Contains green tea extract for detox

Cons

  • Limited bulk discount availability

I first recommended this stim-free fat burner to one of my close friends, who also happens to be a client. She was skeptical at first, but after a few weeks, she reported noticeable weight loss, improved mental clarity, and reduced cravings. It's moments like these that make my job so rewarding.

If you’re doing a calorie-restricted diet and struggling with eating less, then this fat burning product can make quite a difference.

It also has a decent amount of green tea extract, which can help to burn fat, but more importantly, it can help with detox and getting rid of free radicals.

Many consumers also mentioned that this Lean XT fat burner supplement helped them maintain weight by improving their metabolism and prolonging their feelings of fullness.

3 - EVL Nutrition Lean Mode (Best for Appetite Suppression)

EVL Nutrition Lean Mode
4.7
Ingredients
4.8
Effectiveness
4.7
Price
Overall Score 4.7
Check Current Price

Pros and Cons

Pros

  • Some positive comments about hunger suppression
  • Helps provide focus and more energy for workouts
  • Contains CLA which has been shown to boost metabolic rates

Cons

  • You need to take 3 capsules for a full daily serving

I recall a period when I was feeling particularly sluggish and lacked motivation. So, I gave EVL Nutrition Lean Mode a try, based on some reviews I read. To my surprise, it provided me with the mental focus and drive I needed, all without the jitters from stimulants.

Combine all that with CLA (Conjugated Linoleic Acid), and you get more fat burning to increase your energy output. You can definitely take advantage of that during high-intensity training to work hard on some lean muscle mass.

It’s not our top pick, and if you’re not on a strict budget, then I would suggest you try the Burn Lab Pro Fat Burner above.

EVL Nutrition Lean Mode is still a good stim-free fat burner option that will work better than not taking any supplement at all.

4 - Transparent Labs Fat Burner (Best for Men)

Transparent Labs Fat Burner
4.8
Ingredients
4.7
Effectiveness
4.8
Price
Overall Score 4.8
Click For Best Price

Pros and Cons

Pros

  • Good acetyl L-Carnitine dose to speed up fat processing
  • Added vitamin B12 may help boost energy and metabolism
  • No artificial sweetener, flavor, or preservative

Cons

  • You need to take 4 capsules daily for optimum effect

I remember the first time I tried their stim-free fat burner; the results were noticeable, and it became a staple in my fitness journey.

This fat burner was the first time we tried their stim-free fat burner, and we did find the results positive.

In the majority of comments we reviewed, people did find their cutting phases more effective than before taking these stim-free fat burner.

My dietitian pointed to the acetyl L-Carnitine, which is a vital part of getting fatty acids to muscle cells where they are used as raw energy.

Get 10% off using coupon code:  TOTALSHAPE

5 - LeanBean

LeanBean
4.9
Ingredients
4.9
Effectiveness
4.8
Price
Overall Score 4.9
Click For Best Price

Pros and Cons

Pros

  • All-natural ingredients with no harmful chemicals
  • Positive impact on mental and physical energy
  • Claims to work well as an appetite suppressant by adding Garcinia Cambogia

Cons

  • Only available on the official website
  • Recommended dosage is 6 capsules per day

Leanbean, a fat-burning supplement, has garnered positive reviews, particularly from my female clients, due to its formulation tailored for smaller doses compared to those intended for males.
My extensive research on this stimulant-free fat burner reveals its effectiveness, as many users have reported successful results after months of usage.

Importantly, Leanbean is caffeine-free, making it an excellent option for those who are sensitive to stimulants or need to take a supplement later in the day.

While Leanbean is currently out of stock, Capsiplex Trim emerges as a commendable alternative. This fat burner for women, Capsiplex Trim, is celebrated for its ability to shred fat, boost metabolism, reduce cravings, enhance training effectiveness, and improve focus. It is crafted specifically for women's physiological needs and promises to help achieve a lean and toned physique.

What stood out for me, though, was the added Garcinia Cambogia. From my own experience, it works great for appetite suppression, together with the 3000 mg of glucomannan.

How We Tested the Best Stimulant-Free Fat Burners

Our focused approach to testing the top stimulant-free fat burners involved four key criteria:

  • Ingredient quality and effectiveness. We closely examined each product's ingredients, prioritizing those with clinically proven, safe fat-burning components without stimulants.
  • Safety and side effects. Safety was a top concern. We assessed potential side effects and health risks through medical literature and user feedback.
  • Third-party testing and certifications. Products with third-party testing or certifications like NSF or Informed-Choice ranked higher for their assured quality and purity.
  • Price and value. We compared cost per serving, balancing ingredient quality with the overall value offered by each product.

This streamlined testing process enabled us to effectively rate and recommend the best stimulant-free fat burners based on efficacy, safety, and value.

Buyer’s Guide: How to Choose the Best Stimulant-Free Fat Burners

After personally testing numerous supplements, my team and I selected our top non-stim fat burners based on critical factors. These include their impact on metabolic rate, effectiveness in appetite suppression, transparency in ingredient quality, and their ability to promote fat oxidation.

Metabolic Rate

Caffeine, synephrine, L-carnitine, green tea, conjugated linoleic acid (CLA), forskolin, chromium, kelp, and fucoxanthin are among the most popular ingredients that improve metabolism. Non-stim fat burner supplements that improve metabolic rates will help you burn more calories than usual during the day.

Appetite Suppression

Some non-stim fat burner supplements also decrease your appetite by lowering ghrelin, a hunger-stimulating hormone. You can achieve appetite suppression in a variety of ways. Ingredients that stretch in the stomach, such as glucomannan (found in LeanBean) and psyllium husk, are popular for fat burners. 5-HTP is a more popular approach that appears to aid with appetite and cravings by increasing serotonin levels.

Fat Oxidation

Perhaps the most common function of "thermogenic fat burners" aids in the oxidation of fat, or more precisely, aids in increasing energy burned from stored fat versus stored carbs. Green tea extract and l-carnitine are two popular ingredients of fat burners that trigger the process of fat oxidation.

Transparency and Ingredient Quality

Nutritional supplements often list 'proprietary blends' on labels, a loophole allowing manufacturers to hide exact ingredient amounts, aimed at protecting formulas but obscuring potency and composition. Always choose stimulant-free fat burners with credible approvals and safe ingredients.

What Type Of Stimulants Should You Avoid?

If you know you're sensitive to their effects, you should avoid fat burners that use caffeine and taurine as stimulants.

1. Caffeine

Close up picture of coffee beans

Caffeine, commonly found in coffee, green tea, and cocoa beans, is a popular ingredient in many fat-burning supplements. You’ll see it referenced as either natural or anhydrous. Both have the same fat burning effects, but they are produced in slightly different ways.

Natural caffeine is extracted from coffee beans in a very similar way as a cup of coffee would. According to Medical News Today, anhydrous is extracted from seeds and leaves, which creates a very concentrated fat burning powder [1].

Consuming too much caffeine can interfere with sleep quality, which can negatively impact weight management, according to WebMD [2]. Overconsumption can also be harmful to health, so it's essential to stay within the recommended daily caffeine limit of 400 mg [3].

“Caffeine anhydrous is made from the seeds and leaves of coffee plants. The word “anhydrous” means “without water.” After harvesting, caffeine is extracted from the plant matter and dehydrated. This produces a highly concentrated caffeine powder.”

- Debra Rose Wilson, Holistic Healthcare Practitioner

2. Taurine

Close up shot of Taurine

This is something you’ll find less often in supplements because it’s actually more common in energy drinks [4]. But some manufacturers will market their formulas as non-stim fat burner options, yet they still add in some taurine. The real potency of this amino acid is still not clear, but I generally tell my clients to stay away from it.

What Effects Do Fat Burners Have?

The effects of fat burners on the body

Non-stim fat burners can raise your body temperature and speed up your metabolism, allowing you to burn fat more quickly. Non-stimulant fat burners, in particular, may provide sustained energy throughout the day for improved physical performance without raising your heart rate.

Here's more information on how fat burners affect your body:

1. Thermogenesis

Fat burning supplements may raise your body temperature, increasing your metabolism and accelerating carbohydrate and fat metabolism for energy expenditure.

2. Appetite Suppression

Some ingredients found in thermogenic fat burners may assist people in losing weight by stimulating hormones that suppress hunger and appetite, leading to a decrease in caloric consumption.

3. Reduced Ability To Store Fat

Non-stimulant fat burners may help people lose weight by inhibiting the body's ability to store extra calories as fat. This, in turn, will result in long-term weight maintenance.

4. Increased Training Performance

Some ingredients in non-stim fat burner products may help to combat fatigue, increase mental alertness, and provide energy to improve physical performance while training.

These products do so without relying on caffeine, unlike their counterparts containing stimulants. It allows you to take them even during the evening and lose weight by then.

What To Consider Before Buying?

A person sitting on the floor on a yoga mat using a laptop

Before buying a non-stim fat burner, it is essential to consult with your health care provider, research the brand and its reputation, be consistent and keep a healthy lifestyle.

  • Consult with your health care provider. Your health care provider will recommend the best non-stim fat burner supplements for you, as well as the substances that will work best with your body and health.
  • Research the brand and their reputation. It's critical to research the brand and company before purchasing a non-stim fat burner. This is significant because some brands do not place a premium on stimulant-free fat burner supplement quality. To be on the safe side, purchase your exercise products from a reputable and well-known brand.
  • Be consistent and keep a healthy lifestyle. Many of the non-stim fat burners work best when combined with a healthy diet and exercise. These stimulant-free fat burners are designed to improve the amount of fat burned when exercising. Exercise also aids in the burning of calories and the improvement of body composition. You need to be consistent and patient to see the long-term results.

When Should You Take Fat Burners?

The great thing about stimulant-free fat burners is that you don’t have to be as careful about their impact on your ability to sleep at night. I generally recommend weight loss options that are spread out over 2 to 3 doses a day, like LeanBean and PowHer.

This supports your metabolism better as it keeps it firing at a higher rate, from morning to evening. If you’ve never taken fat burner products before, then aim to take them with your meals. Some of them can be a bit tough on your stomach.

You can watch this video to learn when YouTuber Jeff takes his non-stim fat burner supplements to get the best weight loss results.

youtube

What Natural Ingredients Work As Fat Burners?

Natural ingredients of fat burners in a row

Here are some naturally sourced ingredients that work as fat burners:

1. Conjugated Linoleic Acid

It’s difficult to pronounce, so let’s just call it CLA as it’s known in the nutrition industry. There has been some controversy over it, but increasing numbers of studies have revealed a link to fat burning and weight loss [5].

2. Forskolin

Sourced from the roots of an Asian plant, some studies have revealed a link to it being able to increase the release of stored fat [6].  How effective it actually is hasn’t been quantified, but as it’s such a natural ingredient, it has the advantage of no known negative impact on fat burning.

3. L-Carnitine

This amino acid is believed to work by helping to transport fatty acids that have been broken down from fat storage. The more fatty acids that can be transported to muscle cells, the faster you can melt body fat away.

4. Green Tea Extract

If you don’t like drinking green tea like me, it doesn’t mean that you don’t have a way to take advantage of this modest fat burner and potent antioxidant. In a concentrated green tea extract form, you can get a big boost to your overall health from green tea.

FAQs

What is the best stim-free appetite suppressant?

The best non-stim fat burner and appetite suppressant is konjac fiber. It swells up in your stomach and, in many cases, passes through undigested, so it doesn’t count towards your calories.

Is apple cider vinegar a fat burner?

Apple cider isn't exactly a non-stim fat burner, but adding 1 to 2 tablespoons of it to your food per day can make a difference. I recommend you get an organic fat burner product, as they are generally more nutritiously valuable.

What is the best natural fat burner ingredient?

The best natural fat burner ingredient is caffeine, but if you need something that isn’t stimulating, then whey protein has been proven to work great for fat loss.

Just make sure to lower your carb intake, and you could be helping your body shed some body fat.

Our Verdict on the Best Stimulant-Free Fat Burner

So, after endless hours of reading online reviews, exploring the metabolic types, interviewing dietitians, and having some of the team members test the products, we managed to come to a conclusion as to which one deserves the title of the best stim-free fat burner overall.

All our data points lead to one product - Burn Lab Pro. This stim-free fat burner strikes a great balance between melting away body fat and helping to build and retain some muscle mass as well.

If you haven’t tried it before, then I highly recommend placing an order today.

And remember to let us know how your experience was.

Our #1 Best Stimulant-Free Fat Burner

Burn Lab Pro (Best Overall)

Burn Lab Pro
Ingredients
5.0
Effectiveness
5.0
Price
4.9
Overall Score 5.0
5.0
Pros
  • Cayenne pepper works as a thermogenic
  • Forskolin improves hormonal balance to trigger fat metabolism
  • Contains HMB from branched-chain amino acids to retain muscle mass
  • Plant-based vegan-friendly product
  • Get the BEST PRICE until the end of February
Cons
  • Bulk buy savings could be a bit better
Was this article helpful?
YesNo

About The Author

You May Also Like

Does Drinking Rice Water Help You Lose Weight Featured Image
By Lisa Lorraine Taylor, BSc, CPT 6 days ago
Does Drinking Rice Water Help You Lose Weight? (3 Benefits)
10 Best Fitness Trackers For Weightlifting
By James Cunningham, BSc, CPT 27 days ago
10 Best Fitness Trackers for Weightlifting (2024) Tested
A sexy female gymnast doing her routine
By Christiana Mikesch, CPT 1 day ago
21 Hottest Female Gymnasts (2024) Best Pics Unveiled!
A person at the gym working out with Gorilla Mode Apelyne at the side
By Lisa Lorraine Taylor, BSc, CPT 27 days ago
Gorilla Mind Apelyne Review (2024) Extreme Appetite Control?
A slim woman beside Krazi Burn Fat Burner
By Lisa Lorraine Taylor, BSc, CPT 27 days ago
Krazi Burn Review (2024) Unbiased Analysis + Test Results
A woman holding keto pills on her hand for ketosis
By Lisa Lorraine Taylor, BSc, CPT 3 days ago
10 Best Keto Pills (2024 Review) Boost Your Ketogenic Diet

11 thoughts on “The Best Stimulant-Free Fat Burner
Reviews & Buyer’s Guide

  1. Great blog, Isaac. I just want to ask: Are there any big difference between stimulants that with non-stimulants as it relates to assisting burning fat?

  2. Hello Isaac. I love this article! I’m searching one for my stepfather — he has diabetes and needs to begin setting off his calories. We went to a center and looked for a doctor. We asked him as to whether he can go have some of these. He agreed as long as it is low in calorie. this is great!!! Energized for him to attempt that stuff. He has a fitness coach who will assist him with the exercises and his dietitian from the emergency clinic will design his nutritional intake. I am certain he will be in his best shape in the blink of an eye while battling his illness. Love you dad! I am doing this for you!!!

  3. Wow. Thank you for writing this wonderful article. I am much obliged to you for continually setting aside effort to inform us about these things, which are extremely accommodating stuff!!! my friend shared one of your surveys previously and here I am, dependent on your substance. I generally read your substance and 100% of the time, I gain some new useful knowledge. I love your style, and my friend and I generally talk about your suggestions! I likewise like the activity tips and diet prompt, makes me increasingly cognizant about my heath. Keep helping out other people online!

  4. how I wish we can be at a time where all that we need to eat are directly in the terrace. I have lived with my great mother and her house has had bean stews, tomatoes, onions, garlics and a few leaves in her nursery – we can simply pick something on and off by chance whenever we need it! for nothing! great occasions. anyway, I live in an apartment suite now and I don’t have a nursery so the rancher’s market is my companion with regards to toppings and cooking stuff. Your tips are truly helpful for people like me. Keep writing Sir.

  5. Nearly everybody I know takes supplements these days. They have become some portion of our day to day diet, and the business is colossal without a doubt. Capitalism has overtaken these. Truly, these organizations win billions of dollars. I for one feel that everybody needs them particularly with all the unnatural nourishments we have now from the junkfoods to fastfood restaurants and instant foods from convenience stores! Cheap food here, inexpensive food there, inexpensive food all over the place. As much as we need to eat healthy, it may be very well hard to do most especially when everything is happening all at once and we need to keep moving as time is ticking. The best way to go about it is to improve our diet as much as we can so we get all the things we need in our bodies and ensure that we’re all solid and safe constantly! These tricks sure do help people like me who are in constant motion due to all the stresses of the world. Hope to read more from you Isaac. Keep us posted.

  6. I have an inquiry with regards to this point, I am on keto diet, and I am searching for something that I can use for my work out. I have been utilizing this brand from my nearby basic food supermarket and it’s alright, then again, actually it is high in sugars and conflicts with what I am attempting to accomplish with my eating routine. I discovered your blog and further research on your proposals. I have read all related works available online as I could ever search of. I am amazed that I didn’t have a clue about these sorts of items existed until just now!!! Imagine! So bless your heart! I have simply submitted a request form of purchase now. I am hoping and anticipating the delivery on Monday. So excited to receive it at long last after taking me forever to look for a product that best fits my needs.

  7. I love your blog, Isaac. been binge reading for the past week and I’m learning a lot with all the great deal of information from your blog. That is because of all of your sources of info! My friends and I are doing a challenge this week. Since we’re all in quarantine, we are doing a wellness challenge and whoever loses the most weight during this quarantine period wins. This will be a hard one since I previously increased 3 lbs the previous 3 days LOL however I’m resolved! Having read your blogs, I took an interest at these items and they got me extremely intrigued. Will these work? Will I win against my friends?? Hopefully! I have not attempted to take in any from before yet I am shock the ones on this list are truly reasonable for their purpose, though not certain what the normal cost is. Looking forward to this. Will be updating to whatever result there may be for me or my friends! Wish us luck.

  8. First of all, I am a huge follower of you Isaac. Ever since I found out about your blog, I got lmost addicted to it and updates myself ever so often whenever I can. To be honest, this is my go to blog for useful information of items I found on the internet. Well, most certainly because you talk about things honestly and are concerned about your readers. That truly is remarkable for me and with that, let me express my gratitude. Thank you, Isaac. Continue to giving out useful information to the community, we will keep on supporting you and your group. Secondly, I have been reading a lot of similar information as you. With that, since this is coming from you, I am actually looking forward to using this as my wife and I have been looking for the right supplement for us. And I’m considering getting this because of you. By the way, it’s good if you’re in keto right? Would love to try it if it is.

  9. Okay, so my friend and I were talking about this topic a few days ago because she discovered this new product that she says works for her. I certainly cannot believe what she is saying so when I checked the label, damn it’s just 98% s u g a r! Can you believe it? Practically she has been just consuming sugar? Not sure though if she realized that before trying the product. So I immediately told her that the effect she is feeling is more of a sugar rush rather than actual pump. Anyway, I informed her about your blog and with this list. I ran down to her what I recommend especially the ones you truly trust. Basically the top products I believe I have learned from reading your blogs. I also gave to her what I have used that had good results with it that you have suggested Sir Isaac. Plus, it’s pure! Unlike what she had been taking which is essentially sugar! Definitely a waste of money from her. I hope she likes it so she stops taking all the car bs from that BS product she was taking. I will influence her to read your blog so we can stan you together with your latest post. Thanks!

  10. I think the most ideal approach to taking these is to converse with an expert, regardless of whether that be your nutritionist, specialist, or mentor at the gym. It is hard to pick one thing that will work best for you, as we as a whole have various responses to these things. Your primary care physician will consistently encourage you to take things easy and slowly especially when taking these. And it is hard to believe, but it is true. You at any rate need to begin with low portion and gradually in the end increase the increment as you become more acquainted with how your body responds to it. Nearly everybody in my family practices a keto diet. And we have utilized a considerable lot of these types of products, so I would say the brand does not make a difference, what is important is your body and how you feel about it. Buckle down, eat healthy, and you will feel great paying little mind to what your “diet” is! Thank you Isaac for having your amazing input as always. You sure have been helping me as to how I decide to deal with any changes in my routine. Looking forward for the next blog.

  11. I always prefer the best non-stimulant diet pills since they have no caffeine. It’s different for everybody but this info is helpful as always.

Write a Reply or Comment

Your email address will not be published. Required fields are marked *