Best No-Stim Low Caffeine Fat Burners in 2021
Search for ‘fat burners’ online and you’ll find an array of products to help you with your weight loss journey. However most of these fat burners are packed with caffeine and other stimulants as a main ingredient.
For women, this can be a huge issue – especially for those who are prone to caffeine crashes and nasty side effects. In fact, women are generally more sensitive to caffeine than men, which means many of the fat burners available today could be unsuitable for them.
If you’re looking for a fat burner with no stimulants – or one that uses it in only low amounts – you’re in the right place.
The best no-stim, low caffeine fat burner should make the weight loss process easier, especially alongside more traditional methods like a sensible diet and regular exercise. With no extra stimulants or low amounts of caffeine, you may also avoid side effects like jitters, anxiety and insomnia.
Check out our best no-stim, caffeine-free fat burning pills here:
- No-stim formula
- Thermogenic, metabolism-boosting
Instant Knockout Cut
- Trusted by sport pros
- Normal caffeine dose
- Potent, thermogenic formula
- 100% natural
- Engineered for women
- Natural energy enhancer
- Safe and gentle
- Immunity support
- Well-researched formula
- Contains essential vitamins
- Strong appetite control
- Measured caffeine dose
- Metabolism support
- All-natural & transparent formula
When it comes to picking a no-stim, low caffeine fat burner, ideally you want it to:
- Contain a clean and clear ingredients label – with ingredients and doses disclosed
- Quell hunger pangs – to help you stop overdoing it on your calorie goals and stay on track
- Target body fat and turn it into fuel – promote the breakdown of fat cells for fuel
- Heighten energy levels – using natural nutrients and vitamins instead of caffeine to help you process foods better and promote a steady flow of energy
- Be completely natural – a stim-free fat burner made of natural ingredients will be more effective and safer for daily use
To help you make the right choice and find a no-stim, low caffeine fat burner that ticks all those boxes, we’ve scoured the market and done the hard work, comparing the very best products available right now.
We look at the ingredients, how they work, pros and cons and potency of industry-leading products to bring you the very best low-stim or caffeine-free fat burners on the market.
Keep reading our complete guide to see which product is right for you.
Table of Contents
- Best No-Stim Low Caffeine Fat Burners
- 1. Hourglass Fit
- 2. Instant Knockout CUT
- 3. Powher Cut
- 4. Leanbean
- 5. PhenQ
- No-stim, low caffeine fat burners
- What are no-stim low caffeine fat burners?
- How to get the best out of your no-stim, caffeine-free fat burning pill
- Proven fat loss foods and ingredients
- What to avoid when looking for the best no-stim low caffeine fat burner
- Are no-stim, low caffeine fat burners safe?
Best No-Stim Low Caffeine Fat Burners
1. Hourglass Fit
How it works:
- Gives you energy – the formula excludes stimulants and includes a combination of B vitamins to help support food metabolism and keep energy levels flowing.
- Banishes food cravings – water-soluble fiber glucomannan is an FDA-approved appetite blocker which works to increase satiety and feelings of fullness. Alongside, amino acid 5-HTP boosts the production of serotonin which influences and regulates hunger.
- Completely natural – the formula is sourced from mother nature, specifically developed to support both diet and exercise to maximize fat loss results.
- Highly thermogenic– powerful metabolism-boosting ingredients such as cayenne pepper and black pepper extract ramp up your metabolism to increase daily calorie burn. Black pepper is also thought to stop new fat cells from forming.
- Zero stimulants – there are no added stimulants in the mix which can protect you against side effects.
- Mood boosting – amino acid 5-HTP helps boost mood and motivation levels by stimulating the production of ‘feel-good’ chemicals in the body
Hourglass Fit is one of the best vegan-friendly, low-stimulant fat burners available on the market right now. Aimed predominately at women, it packs a powerful punch of 9 ingredients which all have their own weight loss attributes. From blocking hunger, stimulating your metabolism and boosting mood, to ensuring you have a steady flow of energy all day and reducing fatigue.
It uses a blend of vitamins and minerals to reduce feelings of fatigue and support energy release. The fact that it’s carefully crafted with women in mind also means it’s a gentler formula than most fat burners on the market.
When taken alongside a calorie-controlled diet and regular exercise regime, Hourglass Fit should help you shift stubborn fat and get the figure you want. The all-natural ingredients and no added stimulants mean you avoid side effects but gain a real fat burning edge. What’s more, you get free UK & US delivery on any bundle.
Key Hourglass Fit ingredients:
- 5-HTP – This amino acid is a natural precursor to serotonin, also known as the ‘happy hormone. With better mood and motivation levels, you should feel more confident to achieve your physique goals. By boosting serotonin, it may also help regulate your appetite.
- Glucomannan – A potent appetite suppressant, glucomannan is a root fiber that expands in your stomach to promote feelings of fullness.
- Cayenne pepper – This highly thermogenic aid is key to increasing your body temperature and encouraging it to burn more calories – even at rest.
- B vitamins 2, 6 & 12 – This potent blend of B vitamins help to convert the food you eat into energy and ensure your metabolism runs smoothly. Vitamin B6 has also been studied for its effect on treating PMS symptoms, like anxiety and mood swings.
- Zinc – This essential trace mineral works to contribute to normal energy release as well as immune health.
What real customers thought of Hourglass Fit
We like to find real customer thoughts on our top picks and looking online, Hourglass Fit has been very well received by many users. Here’s what they say about it:
Hourglass Fit is also heavily praised by Hollywood star, Rachel Swindler, who uses the female friendly fat burner to curb food cravings and stick to her healthy diet.
- Completely stimulant free – no harsh caffeine or other added stimulants
- Metabolism boost – contains well-studied thermogenic ingredients
- Totally natural and transparent – no proprietary blends, artificial colors or preservatives
- Reduces hunger – packed with some of the most effective appetite suppressants available
- Supports female health – formulated with women’s needs in mind
- Extra vitamins and minerals – key for maintaining overall health and wellbeing
- Vegan friendly
- FREE UK & US delivery – on all bundles
- Only available to buy direct
- Premium price
2. Instant Knockout CUT
How it works:
- Powerful thermogenic blend – you’ll find popular thermogenics cayenne pepper and green tea in the mix to speed up your metabolic rate and increase calorie burn
- Blocks hunger – satiety-boosting fiber glucomannan blocks hunger pangs by increasing feelings of fullness
- All-natural blend – safe, natural formula with no risky substances – reduced chance of side effects
- Preserves muscle – keep your toned physique and blast body fat. Vitamin B6 should help your body absorb amino acids which are vital for muscle building
- Normal caffeine dose – at 300mg per serving, this is below the recommended daily serving size of 400mg but you might want to reduce your caffeine intake from other sources
Instant Knockout CUT is potentially one of the most potent fat burners on this list, but it earns its place. Its 9-ingredient blend works to reduce levels of stubborn fat, curb hunger and build up your energy stores so you stay motivated.
Used alongside a healthy diet and regular exercise, Instant Knockout CUT should help get you in your best shape, without the risk of side effects. The formula is completely natural, safe, tried-and-tested and is constantly being updated.
While it does contain caffeine, the dose is below the recommended daily amount which should ensure safe levels in your system – you’ll just need to curb your caffeine intake from any other sources.
Key Instant Knockout CUT ingredients:
- Green Tea Extract – This herbal tea is a known thermogenic which boosts your metabolism and speeds up fat oxidation significantly for increased fat reduction.
- Cayenne Pepper Extract – This fiery extract works to increase your body temperature, so you’re always burning calories, even at rest.
- Glucomannan – This popular appetite suppressant works to keep hunger cravings at bay and help you stay on track with your calories.
- Normal caffeine dose – This well-liked stimulant is crucial for giving you some oomph and helping increase alertness. You get a measured 300mg dose in the formula.
- B–Vitamins 6 & 12 – These vitamins contribute to energy production and may boost mood.
- L-Theanine – this amino acid works alongside caffeine to enhance the stimulant’s benefits, for improved focus, drive and energy, whilst keeping negative side effects like jitters at bay. It’s also a proven appetite suppressant and has stress-fighting abilities too.
- Powerful, research-backed formula – every ingredient is backed by the latest clinical research
- All-natural and safe formula – gentle for daily use
- Measured dose of caffeine
- Ramps up metabolism– to promote higher calorie burn
- Excellent customer reviews – from men and women alike
- Produced in cGMP and FDA-approved facilities – proving its dedication to safety and effectiveness
- Vegan friendly
- Only available direct
- A little pricey but a premium product
Read our full Instant Knockout CUT review for more information
3. Powher Cut
How it works:
- Powerful appetite control – generous doses of chromium and glucomannan help protect you against hunger cravings and reduce calorie intake
- Clean energy lift – an optimal 100mg dose of caffeine works to lift your energy levels
- Completely natural formula – enjoy a totally natural formula with no risk of side effects
- Supports overall wellbeing – essential vitamins and minerals like selenium and iron could provide health benefits for your body
Another fat burner dedicated to the female physiology, Powher Cut is a potent blend designed to ignite calorie burn and block hunger to stop your overeating habits.
With an optimal 100mg dose of caffeine, you should experience a clean lift without the jitters.
Alongside a great mix of evidence-based ingredients – like plant extracts, vitamins and minerals – Powher Cut may help you reach your goals quicker than you think. The gluten-free, Non-GMO, and vegan and vegetarian friendly elements are a plus too.
Key Powher ingredients:
- Natural caffeine – This natural stimulant works to boost your metabolism, concentration, and motivation levels, enhancing your physical performance.
- Glucomannan and chromium – Glucomannan contributes to weight loss in the context of a lower calorie diet, reducing food cravings and promoting satiety, while chromium regulates blood glucose concentrations.
- Choline – This nutrient aids normal lipid metabolism, the process behind the digestion and absorption of dietary fat. It may also help support your brain health.
- Selenium – A powerful antioxidant, selenium works to maintain normal thyroid function which is responsible for regulating your metabolism and appetite.
- Female focused – formulated with the female body in mind
- Low caffeine dose – just 100mg per serving
- Natural, well dosed formula – uses plant-based ingredients in clinically-studied doses
- Excellent appetite control – should help you stay on track with your calories
- Boosts metabolism – natural caffeine ignites your metabolism and may help break down fat
- Contains some key vitamins and minerals – for immunity support
- Misses out key fat burning elements – like green tea or cayenne pepper
- Pricier than other options
How it works:
- Low caffeine – Leanbean contains a small amount of natural caffeine (about 10mg) from the green coffee which should keep your energy levels stable
- Great appetite control – the formula’s biggest focus is appetite control, with high-grade ingredients like glucomannan and chromium picolinate to help you control food cravings
- Some thermogenic compounds – green coffee and turmeric are both thought to be thermogenics that can boost your metabolism
- Overall wellbeing support – essential vitamins and minerals like zinc and vitamin B6 may promote better wellbeing and support feminine health
- Entirely natural formula – enjoy a completely natural formula with each inclusion sourced from nature
Leanbean is a female-friendly fat burner developed to support anyone on a strict fat loss diet. Inside the blend, you get a mix of vitamins, minerals and plant extracts to aid your weight loss efforts.
While it doesn’t contain pure caffeine, there is a small amount of caffeine from the green coffee bean extract in the formula. This equals to around 10mg per serving which is rather low.
The formula is heavy on appetite suppressors, with glucomannan and chromium both working to defend against food cravings. You do get some thermogenic elements though these aren’t the most powerful, and perhaps cayenne pepper would have made a better inclusion.
Key Leanbean ingredients:
- Green Coffee Bean Extract – This extract contains naturally occurring caffeine to reduce fatigue. It’s also particularly high in chlorogenic acid which is thought to reduce fat absorption and regulate blood sugar levels.
- Chromium picolinate and glucomannan – A clever combo to curb hunger pangs and help you stick to your calorie goals.
- Turmeric – A thermogenic which may increase your internal temperature slightly, encouraging your body to work harder and burn more calories to cool down.
- Vitamin B6 – Thought to heighten fat oxidation and help your body break down fat as well as decrease symptoms of PMS.
- Low-stimulant content – only around 10mg per serving
- Female orientated – formulated for the female physiology
- Natural formula – suitable for everyday use
- Great appetite control – to curb hunger pangs and help you stick to your nutrition
- Raises metabolism – a key factor in encouraging higher calorie burn and shedding weight
- Contains essential vitamins and minerals – for overall health and wellbeing
- Could include more thermogenic elements
- You may need to drink more water
How it works:
- Increased energy levels – a healthy dose of caffeine anhydrous and green tea should crush any feelings of fatigue from a lower calorie diet
- Good diet control – natural fibers and trace minerals inside the formula work to reduce any snacking tendencies
- Measured caffeine dose – at 135mg per serving, this is below the recommended daily limit
- All-natural & transparent ingredient list – should be safe from any side effects though there is a dose of caffeine in the mix – err on the side of caution and limit your caffeine intake alongside
- Improves metabolism – thermogenic ingredients raise your daily calorie burn
- Blocks fat storage – may heighten fat loss by helping you process food correctly and preventing the storage of fat
PhenQ combines a number of elements to boost weight loss. Made of high-quality natural ingredients, the formula gets to work on your stored fat, suppresses appetite, improves energy and blocks fat production.
The creators provide a fully clear, transparent ingredients label with no proprietary blends in sight. In the completely natural formula are potent thermogenics like cayenne pepper to enhance calorie burn and ensure your body uses up more energy. Meanwhile, fibers like nopal work to increase satiety and reduce your appetite.
While nopal is well-studied, we can’t help but feel like FDA-approved glucomannan would be a better inclusion to really banish food cravings.
PhenQ contains a measured dose of caffeine at 135mg per serving, which is good to see as it’s below the recommended daily amount. This dose should help fight fatigue and even contribute to an enhanced metabolism.
Key PhenQ ingredients:
- Capsicum Extract – This natural spice increases your body heat to enable a higher calorie burn.
- Chromium Picolinate – Normally found in foods like meat and vegetables, chromium works to control blood sugar levels which, in turn, can reduce cravings. It may also help you metabolize fats properly.
- Nopal – The nopal cactus is packed full of fiber, which helps slow down digestion and ultimately keep you full for longer.
- Caffeine Anhydrous – A popular stimulant which should help boost the fat burning process by speeding up your metabolism. Other benefits include raised alertness, improved focus and better mood.
- Entirely natural formula – safe and effective and produced in GMP approved facilities
- Nulls hunger – natural fibers and trace minerals in the mix work to balance hunger and stop you from overeating
- Good energy boost – with a measured dose of caffeine
- Blocks fat production – should stop you from adding weight by aiding fat metabolization and preventing fat accumulation
- Glucomannan might be a better appetite suppressant
- Costlier than other options
No-stim, low caffeine fat burners
Now that you know more about the best no-stim low caffeine fat burners available, let’s find out more about how they work and if they are suitable for your needs.
We’ll go into more detail about no-stim low caffeine fat burners to give you a nudge in the right direction of what to look for and what to avoid when looking for the best supplement.
What are no-stim low caffeine fat burners?
No-stim low caffeine fat burners could be your answer to better weight loss results and make a real difference to your physique. Whether you’re just focused on shedding fat for a holiday or need some extra support in the gym, a no-stim low caffeine fat burner may be worth your attention.
Fat burners of this type typically contain a variety of plant-based ingredients and nutrients that have been studied for their weight-loss attributes. Instead of packing caffeine and other stimulants into their formulas, supplement manufacturers focus on using a mix of nutrients and vitamins to encourage better energy and increase calorie burn.
If you’re sensitive to stimulants, which plenty of women are, a no-stim, low caffeine fat burner would be best for you. By providing your body with the vitamins and nutrients it needs to maximize fat loss and curb hunger, you could reach your goals faster.
As always, a supplement of this type must always be taken alongside a healthy diet and regular exercise for the best possible results. As with all supplements, you’ll also need to give it a few months to notice any changes and feel any benefits.
How to get the best out of your no-stim, caffeine-free fat burning pill
Alongside using your fat burning supplement, there are many ways to fast-track yourself to weight loss success. Here are SpotMeGirl’s most effective tips to get your shapely figure- faster!
- Get a regime in place
If you’re just starting out in a gym or sticking to home workouts, having a program in place will help you stay on track and make real results. This could be anything from hitting some resistance training 2-3 times a week to doing a mix of cardio. You’ll get a natural lift of energy from your fat burner to help you achieve more every workout and reach your maximum training potential!
- Stick to whole, healthy foods
As you might know, successful weight loss isn’t just about moving more – it involves what you put in your body too. Healthy, balanced nutrition is key for making real progress and hitting your targets. Try to up your protein, add lots of fruit and veg to your diet and opt for healthy fats instead of processed, sugary snacks. If your chosen fat burner has added appetite control, you’ll have more control over your diet and will find it easier to stop snacking.
- Be consistent
Getting into a routine and setting up good habits will help you make a real body transformation. Being consistent with your exercise, eating clean and regularly taking your fat burning pill will give you the best chance of success. Change won’t happen overnight and it’s important to remember that. Give your supplement the chance to start working and follow all the manufacturer’s directions carefully to maximize its benefits!
Proven fat loss foods and ingredients
Fat-fighting ingredients can be found in a number of foods. However, there are some ingredients that are generally considered to have a more positive impact than others.
These are some of the best ingredients to look out for when choosing a good-quality low-stim fat-burning supplement.
Glucomannan is an effective dietary fiber that works to fill the stomach and prevent overeating. When it enters your stomach, it swells and increases the feeling of fullness. This hunger curbing ingredient has also been recognized by the FDA as a potent appetite suppressant.
B vitamins could help your body stay energized. They work to convert the food you eat into ATP (adenosine triphosphate) which is the form of energy that your body uses. Vitamin B6 is also useful for women, since it has an effect on reducing the psychological symptoms of PMS including irritability, mood swings and anxiety. B12 is also involved in some of your most important brain functions and being deficient may result in overall cognitive decline.
A popular fat loss aid, cayenne pepper is packed with the thermogenic compound capsaicin, which works to raise your body’s internal temperature, making your body burn more energy to get back to baseline temperatures. This can ramp up your metabolism.
This trace mineral supports normal macronutrient metabolism and the maintenance of normal blood glucose levels. This may lead to reduced hunger – especially cravings for carbohydrates and sugars.
What to avoid when looking for the best no-stim low caffeine fat burner
When picking your no-stim fat burner, try and find a supplement that contains a completely natural and transparent formula with well-studied, tested ingredients.
We’d always recommend a transparent supplement over a proprietary blend. This is because proprietary blends can hide critical details about portion sizes of each ingredient in the formula. So, in simple terms, you have no knowledge of the dose of each nutrient you’re consuming.
Although most manufacturers are transparent about their ingredient formulas, there are some that aren’t. Be sure to take note of the ingredients and study the supplement facts, so you’re aware of any ingredients that may cause you issues.
Are no-stim, low caffeine fat burners safe?
Fat burners made of natural ingredients are typically safe. And as long as you take a sensible approach to your overall nutrition and watch out for any harmful ingredients, they can be a safe way to increase your results.
However as with most supplements, there are some cheap and synthetic products on the market that may pose a risk. We always recommend you use a completely natural fat burning supplement that contains well-researched and tested ingredient profiles.
Why not do your own research and see what other customers think to discover how the supplement might work for you?
Stim-free and low caffeine fat burners should be some of the safest on the market, since they’re not caffeine-jacked. Too much caffeine may cause you to experience stomach upsets, headaches, and nausea. If you’re sensitive to stimulants but want to try a low caffeine fat burner, be sure to moderate your caffeine intake from other sources.
Up to 400mg of caffeine a day is safe for most adults and should make for a safe, side-effect-free experience.
For a supplement to be deemed safe, we would say it needs to:
- Be completely transparent
- Contain well-studied ingredients
- Be side-effect free
- Avoid proprietary blends
- Contain clinically dosed serving sizes
Overall, we think this a solid list of stim-free and low caffeine fat burners.
We hope our complete guide provides you with enough detail to make an informed choice when it comes to picking your no-stim low caffeine fat burner.
After a close review of the top market-leading no-stim and low caffeine products, we found Hourglass Fit to be the ideal option, especially for women looking for a gentle fat burning formula. Having said that, Instant Knockout, Powher Cut, Leanbean and PhenQ are all stand-out formulations with great benefits. Just be careful of the fat burners that do contain low amounts of caffeine and moderate your daily intake alongside them.
Shop The Best Stim-Free Fat Burner For Women Now
If you need more information on the highest quality fat burner supplements, check out our review of the very best fat burners for women.
 https://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/in-depth/caffeine/art-20045678 https://pubmed.ncbi.nlm.nih.gov/21040626/  https://www.medicalnewstoday.com/articles/324120  https://www.healthline.com/health/l-theanine
Here at Hey Spot Me Girl, we’re all about safety – so we wanted to remind you to double-check with your doctor or physician if you have any concerns at all about introducing a new supplement into your diet.
Whilst supplements could be a great boost to your lifestyle, they could also have adverse effects on your body if not used properly, or if you have sensitivity to any of the ingredients. So, make sure you always check the label fully. Also, make sure you stick to the usage instructions, particularly during the first week.
It’s also worth pointing out you shouldn’t rely on supplements alone to achieve your physique goals. Remember girls, supplements are enhancers – not the only answer!
A balanced diet, consistent workout plan and sensible lifestyle choices are the fundamentals behind real change – and your supplement should only ever be used as a way of optimizing the results of your hard work, not a way of replacing it altogether.
So, whatever supplements you choose to improve your life, make sure your health and welfare is always paramount over anything else every single time.
*DISCLAIMER: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Products are intended for use alongside a diet and exercise regime. The views and nutritional advice expressed by Hey Spot Me Girl are not intended for the purpose of medical advice.
Individual results may vary. Please always consult your health care provider if you are taking any medications or have any medical condition. Must be 18 years or older to purchase. Always reference the ingredients and directions on the product label.