Best Thermogenic Supplements For Women in 2021 [Updated]
The best thermogenic fat burners will boost your metabolism and encourage your body to burn more calories than you normally would.
When accompanied by a healthy, calorie-controlled diet and plenty of exercises, they can give your weight loss efforts a powerful boost.
You want a thermogenic fat burner that will:
- Kickstart your metabolism – encourage your body to burn more calories and therefore, more fat
- Reduce hunger cravings – less snacks result in a less calories consumed (and increased fat loss)
- Target body fat for energy – during a workout you’ll melt away fat rather than using up carbohydrates
To help you find the best thermogenic that ticks all those boxes, we’ve carefully rated and ranked the very best supplements on the market.
Check out our top thermogenic supplements for women.
1
Hourglass Fit
- Engineered for women
- Thermogenic formula
- All-natural, stim-free
- Enhance mood
2
Instant Knockout Cut
- Trusted by pro athletes
- Improve exercise performance
- Powerful & metabolism-boosting
- 100% natural
4
Hunter Burn
- Premium doses
- Hunger blocking
- Potent metabolism-boosting formula
- Well-researched
5
Transparent Labs PhysiqueSeries
- Transparent label
- Reduces food cravings
- Vegetarian friendly
- Powerful thermogenic formula
We’ve reviewed the ingredients, potency and safety of market-leading products to bring you the very best thermogenic fat burners available.
Read our complete review and find out which formula will give your weight loss plan a real boost.
Best Thermogenic for Women
1. Hourglass Fit
How it works:
- Seriously effective thermogenic formula – ingredients like cayenne pepper[11] work to raise your metabolic rate and boost calorie burn[12] [13]
- Keeps hunger pangs at bay – a healthy dose of science-backed glucomannan and 5-HTP should keep control of that pesky appetite and help you feel fuller[14] [37]
- All natural – every single ingredient is naturally sourced and there’s no sign of a proprietary blend
- Keeps diets on track – the formula comes together to provide a complex that helps support your dieting efforts and healthy fat loss
- No harsh caffeine or other stimulants – no added stimulant takes female wellbeing into account and prevents harmful side effects
- Supports mood – amino acid 5-HTP is effective at boosting serotonin levels, the neurotransmitter that aids the production of ‘feel-good’ chemicals in the body [38]
Quick overview
Hourglass Fit is one of the most effective thermogenic supplements we’ve seen. Its 9-ingredient strong formula is developed specifically for women and works to boost your metabolism, curb food cravings and ultimately support sustainable weight loss.
It’s the careful consideration for the female body that places it in first place of our list of the best thermogenics for women.
Hourglass Fit has the ultimate 2-in-1 formula for women. Its ingredients null your appetite, prevent food cravings, and hike your metabolism for maximum calorie burn. We tend to have a harder time burning calories and keeping hunger cravings at bay. Hourglass Fit addresses these needs and should help you maximize the results from your healthy diet and exercise regime.
Combining 100% natural ingredients and no stimulants also mean you avoid side effects, but experience key fat burning benefits.
Key Hourglass Fit ingredients:
- 5-HTP – this amino acid is the key for boosting serotonin levels which can help regulate appetite and mood
- Glucomannan – a natural appetite suppressant, this soluble fiber forms a viscous gel in your stomach to help you feel full for longer
- Cayenne pepper – this extract ignites your internal temperature, raising your metabolic rate and the number of calories you can burn
- Vitamin B6 – this vital mineral is the one for increased fat oxidation[15] and even supports female health. Vitamin B6 has often been used to treat symptoms of PMS[16], including anxiety and irritability
- Zinc – an important trace mineral, zinc can support normal metabolism and resting metabolic rate as well as the normal release of insulin [39]
Find out what real Hourglass Fit customers had to say about their experience with Hourglass Fit
Megan, from Baltimore, USA
Celine, from Lyon, France
Melissa from Perth, Australia
Pros:
- 100% natural ingredients – no proprietary blends, artificial colors or preservatives
- Stimulant free – no harsh caffeine or other added stimulants
- Hikes metabolism – contains well studied thermogenic ingredients
- Zero side effects – you won’t experience unusual side effects normally associated with fat burners
- Supports female physiology – formulated with women needs and requirements in mind
- Added vitamins and minerals – essential for maintaining overall wellbeing
- FREE UK & US delivery – on all bundles
Cons:
- Only available to buy from: hourglassfit.com
- Premium price
at: HourglassFit.com
Read our complete Hourglass Fit review for more information
*Individual results may vary. Please speak with your doctor or physician before undertaking any new weight reduction, supplement, or exercise regime.
2. Instant Knockout CUT
How it works:
- Provides three powerful, proven thermogenic ingredients – This formula will help to boost your metabolic rate and up your calorie burn
- Suppresses appetite – Contains a science-backed appetite suppressant to help you control calories
- Completely natural – This whole formula is safe and taken straight from Mother Earth, which includes natural thermogenic
- Side effect-free – The creators of this supplement have made a responsible formula, that shouldn’t give you any nasty side effects
- Supports your diet – All of this combines to help support your dieting efforts and drop more fat than you would if you were working alone
Quick Overview
Made by premium supplements company, Roar Ambition; Instant Knockout CUT is the most effective thermogenic fat burner we’ve found to date.
It helps take your mind off those sugary snacks throughout the day, while you focus on your fitness goal – achieving that dream bikini body.
Not only that, Instant Knockout CUT provides clean energy boosts; this allows you to perform your best, even when you cut carbs and calories from your diet.
This combination of a powerful appetite suppressant and a reasonable dose of caffeine make this one of the best thermogenic for women. Our physiological makeup means we’re often hit by cravings and are more susceptible to a caffeine crash. Instant Knockout CUT protects against this.
Containing safe, tried-and-tested ingredients, you’ll avoid side effects; while experiencing key benefits to help kickstart your fat burning journey.
Key Instant Knockout CUT ingredients:
- Cayenne Pepper Extract – This thermogenic food provides a powerful extract that will raise your temperature, so your body’s burning fat, even when you’re sat in the office
- Green Tea Extract – This herbal tea is a known thermogenic which boosts your metabolism and speeds up fat oxidation significantly for increased fat reduction[17] [18].
- Glucomannan – The best-known natural appetite suppressant[19], this fiber will keep you away from that snack draw, helping you reach your fitness goals faster
- 75mg Caffeine per capsule – This delivers clean energy boosts, without overpowering you
- L-Theanine – this amino acid works alongside caffeine to enhance the stimulant’s benefits, for improved focus, drive and energy[40], whilst keeping negative side effects like jitters at bay. It’s also a proven appetite suppressant[41] and has stress-fighting abilities too[42].
Pros:
- No side effects – You won’t suffer from jitters or crashes, unlike other fat burners on the market
- Used by professional fitness models – Instant Knockout CUT is used by a range of fitness models
- 100% natural ingredients – No synthetic or potentially harmful ingredients such as Yohimbe
- Raised metabolism – Contains scientifically-proven thermogenic ingredients
- Clean energy boosts – Sensible caffeine servings provide stable energy boosts
- Vegetarian and vegan friendly capsules – Suitable for more people
Cons:
- Premium price for a premium product
- Can only buy from their website: www.InstantKnockout.com
This thermogenic fat burner is one of the best around. After careful review of each ingredient, serving size and the safety of the whole formula, we’re impressed.
We found each ingredient to be well researched and suitably served to deliver the thermogenic fat burning results you’d expect.
What’s more, it’s well suited to the female fitness fanatic, making it an excellent choice to support your summer weight loss efforts.
Read our full Instant Knockout CUT review for more information
*Individual results may vary. Please speak with your doctor or physician before undertaking any new weight reduction, supplement, or exercise regime.
3. LeanBean
How it works:
- Huge focus on suppressing appetite – the formula includes stand-out ingredients glucomannan[20] and chromium picolinate[21] for excellent appetite control
- Some effective thermogenic elements – ingredients like turmeric[22] and green coffee extract[23] should provide a thermogenic effect and kick-start calorie burn
- 100% natural safe formula – each individual ingredient is sourced from plants and well-dosed for safety
- Helps control food intake – effective appetite suppressants help you stick to a calorie deficit and support your weight loss goals
- Supports overall wellbeing – vital vitamins and minerals like B6 and zinc alongside antioxidant content[24] may help to restore your body’s natural balance
Quick Overview
This is one of the most popular female fat burners on the market, and we can see why. The creators have put serious consideration into the formula, including ingredients like glucomannan and chromium picolinate to help support common diet struggles.
They also put our needs first by excluding caffeine anhydrous – a potentially dangerous stimulant for women.
In the formula, we get some thermogenic ingredients but it’s not as potent as we’d like. Instead, Leanbean comes out on top for its excellent ability to keep hunger cravings at bay. A key issue for women, cravings can be hugely detrimental to effective fat cutting so, a thermogenic supplement that addresses this factor is a great product in our eyes.
Key Leanbean ingredients:
- Chromium picolinate and glucomannan – a clever blend to combat hunger and cravings
- Green coffee – brimming with antioxidants and chlorogenic acid which reduces fat absorption[25]. It’s also a natural source of caffeine which has a thermogenic effect
- Turmeric – a powerful thermogenic which raises your body temperature slightly, giving your metabolism a boost in turn
- Vitamin B6 – processes carbohydrates effectively and boosts fat oxidation. On top of that, it’s a key player in supporting feminine health[26]
- Zinc – an essential mineral for overall health which also aids immunity and reduces inflammation[27]
Pros:
- All-natural formula
- Excellent satiety and appetite control
- Raises metabolism
- Vegetarian friendly
- Contains essential vitamins and minerals
- Female orientated
Cons:
- Not very potent
- You may need to drink more water
Read our complete Leanbean review for more information
*Individual results may vary. Please speak with your doctor or physician before undertaking any new weight reduction, supplement, or exercise regime.
4. Hunter Burn
How it works:
- Packs a powerful thermogenic punch – This supplement contains two of the most powerful thermogenic ingredients we’ve seen, at very generous servings. Your metabolic rate will be through the roof
- Suppresses appetite – The thermogenic fat burning qualities of this supplement is supported by an optimal serving of nature’s most effective appetite suppressant – konjac root
- Blocks carbs – You’re protected if you slip up on your diet, as a natural carb blocker is used to minimize calorie absorption
- Natural, safe formula – This formula contains only natural ingredients, is well-dosed and safe to use
- Provides diet support – Hunter Burn is designed to keep you on track and enhance your weight loss efforts
Quick Overview:
With just six ingredients on the label, it’s the pure power of this formula that places Hunter Burn so highly on our list of the best thermogenic supplements for women.
The ingredients used are extremely potent and delivered in scientifically-backed servings that should offer some of the most reliable fat burning results when accompanied by a good diet and plenty of exercises.
Our only hesitation with placing this formula in the top spot came about because it’s missing one powerful thermogenic ingredient – Caffeine.
However, the cayenne pepper and matcha green tea servings were very generous, and we know many women prefer supplements without added stimulants. Therefore, it deservedly sits in a top spot.
All of this adds up to make it one of the best thermogenic supplements for women.
Key Hunter Burn ingredients:
- Matcha green tea: This natural thermogenic overshadows green tea when it comes to fat burning, making it one of the most powerful ingredients in this weight loss formula. What’s more, it contains a small amount of caffeine, another potent thermogenic ingredient.
- Cayenne pepper: Capsaicin within this extract creates a state of thermogenesis that will boost your metabolic rate and calorie burn. Several studies have proven this to be a powerful thermogenic.
- Konjac root extract: Hunter Burn offers one of the highest portions of this appetite suppressant we’ve seen, taking between-meal snacks well and truly off the menu.
- White kidney bean: This is nature’s only known carb blocker, which stops your body from absorbing excess carbohydrates – perfect if for minimizing the effects of a cheat meal.
Pros:
- Powerful thermogenic fat burner
- Well researched formula
- No side effects
- Will raise metabolism
- Supports dieting efforts
Cons:
- No caffeine – a powerful thermogenic
- Premium price for a premium product
- Only available at their website: Hunterlife.com
Read our complete Hunter Burn review for more information
*Individual results may vary. Please speak with your doctor or physician before undertaking any new weight reduction, supplement, or exercise regime.
5. Transparent Labs PhysiqueSeries
How it works:
- Makes losing weight enjoyable – supports your dieting efforts to expedite healthy fat loss
- Contains effective thermogenic ingredients – contains all the ingredients you’d expect in a natural thermogenic supplement including green tea, cayenne pepper extract, caffeine anhydrous and synephrine[28] which all work to increase your body’s metabolic rate
- Addresses hunger cravings and low mood – includes 5-HTP to prevent hunger cravings[29] and stress-reducing compounds like L-Theanine[30] and L-Tyrosine[31] to support the mental battle that comes with dieting
- Completely natural formula – no added artificial colors, sweeteners or preservatives
- Helps with cutting stubborn fat – ingredients like Forslean® encourages the release of fatty acids from stubborn fat and decreases body fat percentage[32]
PhysiqueSeries by Transparent Labs is a complete thermogenic supplement which supports weight loss in multiple ways. That is, through increasing your metabolism, curbing food cravings and increasing fat oxidation.
We like the fact it makes losing weight enjoyable. By including stress-reducing compounds like L-Theanine and L-Tyrosine, women can overcome the psychological battle that regularly accompanies weight loss efforts.
PhysiqueSeries might contains some of the industry’s best metabolism boosting ingredients however it might not be the best for women, hence the fifth-place position. The caffeine content is rather high at 240mg – you also get a natural source of caffeine from the green tea too.
The formulation is 100% transparent though so you’re able to see exactly what you’re taking. In all, it should be a clean and safe way to approach enhanced fat loss.
Key PhysiqueSeries ingredients:
- Forslean® – stimulates stubborn fat loss and optimizes body composition
- Green tea (50% EGCG) – creates a strong state of thermogenesis in the body to boost metabolism and calorie burn
- 5-HTP – a natural ingredient that effectively reduces appetite in individuals and also reduces carbohydrate intake[33] [34]
- L-tyrosine and L-theanine – a powerful anti-stress combination which reduces the strain of dieting and improves results
- Caffeine anhydrous – armed with natural thermogenic properties, caffeine also provides an effective energy lift for better workout performance[35]
- Cayenne pepper – a premier thermogenic ingredient which also supports weight loss through lipolysis – where fat is used for energy[36]
Pros:
- Great thermogenic ingredients
- 100% transparent label
- Reduces food cravings
- Supports mood
- All-natural
- Vegetarian friendly
Cons:
- Highly stimulated
- High price tag
Read our complete TransparentLabs Fat Burner review here for more information
*Individual results may vary. Please speak with your doctor or physician before undertaking any new weight reduction, supplement, or exercise regime.
For more metabolism-boosting supplements, check out our ranked and reviewed list!
Thermogenic fat burners for women
Now you know which are the very best thermogenic fat burners for women, you should brush up on what a thermogenic actually is.
If you didn’t know already, this is the perfect place to learn more about this type of supplement and find out how it can affect your body.
What is a thermogenic?
A thermogenic fat burner is all about heat.
Certain compounds within a thermogenic ingredient work by heating up your body. To produce this extra heat, your body needs to burn additional calories.
By pushing your body into a state of thermogenesis, your metabolic rate is raised, and you should burn more calories than you normally would.
They can be found in a range of foods and are often used to weight management supplements to support weight-loss diets.
How to get the best out of your thermogenic fat burner
Whilst thermogenic supplements will give your body that extra boost it needs to ramp up fat burning, there are other things you can do to take your results to the next level. HeySpotMeGirl have put together our top 3 tips to ensuring you’re getting the most out of your thermogenic – so you can achieve that slimmer figure quicker!
- Clean up your diet
It’s really important to get into the mindset of being healthier – and you can start with your diet. Cutting out processed, sugary or high-fat foods and drinks will make a huge difference to the speed in which you trim down that stubborn fat. Swap all those unnecessary calories for whole foods like leafy greens, lean proteins, fruit and vitamin-packed snacks and watch your curves firm up that much quicker. The good news is, thermogenic fat burners are packed with appetite-suppressing nutrients to make the step to eating ‘clean’ easier – and put a plug in those unhealthy snacks.
- Make an exercise plan
Whether you’re a total novice in the gym or have your own workouts you enjoy regularly, making a solid plan weekly will really help you stick to your targets. If you already do cardio, why not take up strength training alongside? Lifting weights has been known to accelerate muscle growth – and burn off fat at the same time. Whatever you decide to do, make sure you’re doing some kind of exercise at least 3-4 times a week to keep calorie burn constant. Plus, with your thermogenic you will have energizing nutrients to help take your workouts to the next level.
- Be consistent
Whenever you’re changing your lifestyle, you need to be consistent. Choosing a healthier, more active regime will be hard at first – but getting into a habit will only happen if you keep it up and stay organized. The same can be said for taking your thermogenic fat burner as per the directions advised, to ensure all the nutrients can be absorbed. This will help maximize every single ingredient so you enjoy the benefits of each – and melt those calories quicker!
Proven thermogenic foods and ingredients
Natural thermogenic ingredients can be found in a number of foods. However, some are proven to be more potent than others.
Here, we’ve created a list of the very best thermogenic fat burners you can expect in a high-quality supplement.
Caffeine Anhydrous
This is a dehydrated form of caffeine, the stimulant found in hot drinks like coffee and tea.
Caffeine anhydrous is proven to heighten the metabolic rate and increase your overall calorie burn [1].
On top of this, it can help your body to use fat as a fuel for exercise, over carbohydrates [2]. This study found that caffeine increases focused on fat burning by up to 13% [2].
Cayenne Pepper
Within cayenne pepper, there is a powerful alkaloid called capsaicin. These cause the sensations of heat and pain you feel when eating a hot chili pepper.
It’s also a powerful thermogenic.
A scientific study has proven its ability to raise the metabolic rate and increase the amount of calories you burn [3]. The same study found the alkaloid helps your body to specifically target fat as fuel.
In a review of 20 different individual studies, the overwhelming finding was that capsaicin consistently raised metabolic rate by an average of 50 calories a day [4].
Green tea
This ingredient contains two thermogenic fat burning qualities.
It contains small amounts of caffeine which, as we’ve mentioned above, can help to increase metabolic rate and enhance fat burn.
On top of that, it contains catechins called ECGC, which can also boost your metabolic rate through thermogenesis [5].
In fact, one trial found that fat burning increased by up to 17% when drinking green tea before moderate exercise [6].
What to avoid when looking for the best thermogenic for women
Here are a few things that are an absolute red flag in the world of thermogenic supplements for women. Avoid these things to find a safer, more effective weight loss aid.
Proprietary blends
Rule number one when choosing the best thermogenic for women is to avoid any product that uses its own proprietary blend. In this day and age, all manufacturers should be transparent about which ingredients they use and exactly what doses too.
But unfortunately, they don’t have to be this honest.
If you look at the ingredient labels of some fat burner pills, you’ll see the term ‘proprietary blend’. This means the manufacturer that formulated the supplement won’t disclose the total servings for each ingredient.
In other words, you have no idea how much of each fat-burning nutrient you’re getting.
Let’s say for argument’s sake that you needed 500mg of green tea extract to boost fat oxidation. In a proprietary blend, you’ll only see that green tea is in the product – but you won’t know if there’s 500mg or 5mg.
You’re basically going in blind and hoping for the best.
And that’s simply not the best approach for optimal fat burning. It doesn’t guarantee the effectiveness of your supplement and it may not be safe either. For us, it’s a definite no.
Yohimbe & Yohimbine
Yohimbe is basically the active ingredient in Yohimbine. However, it’s still allowed to be added into supplements – even though Yohimbine has been banned, due to causing harmful side effects.
Is Yohimbe safer? No, it’s not.
For this reason, this is one of the nutrients we try to avoid when we can.
Side Effects:
- Upset stomach
- Anxiety
- Dizziness
- Headache
- Bloating
- Nausea
Synephrine
Also known as Bitter Orange Extract, this has been commonly reported to cause harmful side effects; which is why it’s been banned in the UK & Canada.
Basically, Synephrine became popular after Ephedrine was banned. It’s believed to offer the same benefits and became known as the perfect replacement.
However, since then, Synephrine has gained a bad reputation – after causing numerous side effects when added into supplements.
For this reason, it’s high on our list of fat burning ingredients to avoid.
Side Effects:
- Nausea
- Dizziness
- Headache
- Stomach Pain
Are thermogenic fat burners safe?
If you stick to reasonable servings of caffeine, green tea, and capsaicin, you should be safe [7].
Issues can arise if you take too much caffeine, as the stimulant can lead to unwanted side effects like headaches, migraines [8], nausea and anxiety [9].
The US Department of Agriculture recommends an upper limit of 400mg a day to ensure a safe, side-effect-free experience [10].
Ensure you don’t overshoot this amount by factoring the extra stimulant content from your thermogenic fat burner into your daily amount. From there you can adapt and adjust your coffee and tea intake to accommodate this extra amount.
Conclusion
Here, we’ve given you a lot of information about the best thermogenic fat burners for women.
From the top-performing supplements on the market to the ingredients you should be avoiding, we hope you have enough information to pick the right product to suit you and your weight loss needs.
After a close review of thermogenic supplements, we think out top five of Hourglass Fit, Instant Knockout, Leanbean, Hunter Burn and Transparent Labs PhysiqueSeries will reap the best rewards.
If you need more information on the highest quality fat burner supplements, check out our review of the very best fat burners for women.
References
- Acheson KJ, e. (1980). Caffeine and coffee: their influence on metabolic rate and substrate utilization in normal weight and obese individuals. – PubMed – NCBI.
- Acheson KJ, e. (2004). Metabolic effects of caffeine in humans: lipid oxidation or futile cycling? – PubMed – NCBI. [online]
- Yoshioka, M et al. Effects of red-pepper diet on the energy metabolism in men. J Nutr Sci Vitaminol (Tokyo). 1995; 41(6): 647-56
- Whiting S, e. (2012). Capsaicinoids and capsinoids. A potential role for weight management? A systematic review of the evidence. – PubMed – NCBI. [online]
- Diepvens K, e. (2007). Obesity and thermogenesis related to the consumption of caffeine, ephedrine, capsaicin, and green tea. – PubMed – NCBI. [online]
- Venables MC, e. (2008). Green tea extract ingestion, fat oxidation, and glucose tolerance in healthy humans. – PubMed – NCBI. [online]
- Vogel, Roxanne M et al. “Consuming a multi-ingredient thermogenic supplement for 28 days is apparently safe in healthy adults.” Food & nutrition research vol. 59 27999. 22 Jul. 2015
- Ann I. Scher, Walter F. Stewart, Richard B. Lipton. Caffeine as a risk factor for chronic daily headache – A population-based study December 13, 2004,
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- https://static1.squarespace.com/static/5b20fe764611a08280b04412/t/5d0ffaadbdbb9800018a058f/1561328302093/westerterp.pdf
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- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3892933/
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