Best Metabolism Boosters

Written by James Dixon

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Trying to find the best metabolism boosters can be overwhelming, to say the least. Whether you want to know which ingredients to look for or simply which metabolism boosting supplement is the best, our nutrition and fitness expert James Dixon answers all your questions right here…

It’s a hard old slog losing weight. You need to undereat, which means that you aren’t supplying your body with all of the energy it needs. Sluggishness, hunger pangs, cravings, and a greatly impaired metabolism generally follow, all of which can derail even the most hardened of us.

Luckily, there is a type of supplement that can help – metabolic boosters, or thermogenic fat burners. They should help to undo all of the nasty side effects of restricted eating – giving you energy, aiding satiation, ridding you of cravings, and, importantly, keeping your metabolism firing optimally.

But which is the best?

PhenQ bottle

I would always go with PhenQ. It’s a byword for excellence in a section of the industry already known for high quality.

PhenQ is great for enhancing your metabolism and allowing for greater fat burning potential. It will give you more energy, sate your cravings far more ably, and, importantly, contains mood-enhancing ingredients that can help to combat the irritability and low moods often associated with dieting.

I can think of few aids with more potential for your weight loss journey.

Our Top Metabolism Boosters

Having used many supplements to boost my own metabolic rate in, here are the best options I have found…


In a world filled with countless weight loss supplements, it can be difficult to find one that truly delivers on its promises. However, PhenQ is a game-changer in the industry, offering effective weight loss results coupled with plenty of added benefits. With its unique formula and carefully selected ingredients, PhenQ has quickly become my favourite metabolism booster, for a few good reasons.

Firstly, it’s a potent fat burner. PhenQ’s formula is designed to enhance your natural fat-burning processes. By boosting metabolism and thermogenesis, it helps the body break down and burn stored fat more effectively, which will ultimately lead to significant weight loss over time.

PhenQ bottle and tablets in hand

It does so admirably, too, due to its unique blend of ingredients. Each ingredient has been carefully chosen for its specific benefits, working synergistically to deliver a comprehensive approach to weight loss.

As you will read in my PhenQ review, one of the key ingredients is Capsimax powder, a blend of caffeine, capsicum, piperine, and niacin (vitamin B3).

Capsicum and piperine are thermogenic compounds that boost metabolism and increase the body’s calorie-burning capacity. This helps to break down stored fat and promote weight loss. The addition of caffeine provides an energy boost and enhances focus, all while suppressing appetite and reducing calorie intake. Niacin supports the conversion of carbohydrates into energy, further supporting weight loss efforts.

PhenQ also makes fantastic use of chromium picolinate, a mineral that helps regulate blood sugar levels and control cravings. By stabilizing blood sugar, it helps to reduce sudden spikes and crashes in energy and prevents binge eating episodes caused by fluctuations in blood sugar levels.

PhenQ also contains Nopal, a cactus extract rich in fibre that aids in appetite control. It provides a feeling of fullness and reduces hunger pangs, making it easier to adhere to a calorie-restricted diet, whilst also improving your digestive health.

PhenQ bottle

L-carnitine furmarate shows up next. It plays a crucial role in energy production. It helps transport fatty acids into the cells’ mitochondria, where they are converted into energy. By increasing the body’s ability to burn fat for fuel, l-carnitine furmarate supports weight loss and boosts energy levels.

The superstar of the formula has to be α-Lacys Reset®, though. It’s a patented blend of alpha-lipoic acid and cysteine. This powerful combination helps regulate cell metabolism and accelerate the body’s fat-burning processes. α-Lacys Reset® also boosts mitochondrial function, leading to increased energy expenditure and enhanced weight loss results.

The combination of these ingredients in PhenQ offers multiple benefits. It effectively boosts metabolism, thermogenesis, and fat oxidation, leading to significant weight loss and fat reduction. PhenQ acts as an appetite suppressant, reducing cravings and calorie intake, making it easier to stick to a healthy diet. Additionally, the supplement increases energy levels, improves focus, and enhances overall well-being.

PhenQ’s carefully selected ingredients, working in harmony, provide a comprehensive solution for those looking to lose weight and achieve their goals with greater efficiency and far less difficulty. It’s a standout supplement for me – one of the best by far.


Phen24 is a unique and genuinely wonderful metabolism booster, one of my favourites in an industry loaded with good options. It stands out as a game-changer with its unique 24-hour approach to promoting weight loss. Unlike other supplements that only focus solely on daytime support, Phen24 provides comprehensive support by addressing both day and night needs.

Phen24 bottles

Phen24’s daytime formula contains a blend of powerful ingredients that work together to boost metabolism, increase energy levels, and promote fat burning during the day. One of the key ingredients in the daytime formula is guarana extract, a natural stimulant that provides a steady release of energy throughout the day, helping users stay active and burn more calories.

It also helps to suppress appetite, reducing calorie intake and supporting weight loss efforts. Other ingredients such as Cayenne powder and Phenylalanine contribute to boosting metabolism and thermogenesis, promoting the breakdown of fats.

The night time formula is designed to complement the daytime formula by focusing on aspects such as restful sleep, reduced evening cravings, and fat burning during the night, all obviously without the stimulant content inherent to the daytime formula.

One of the main ingredients in the night time formula is Griffonia extract, which contains 5-HTP. This compound helps to regulate mood, promote relaxation, and improve sleep quality. By getting adequate restful sleep, users can reduce the production of hunger hormones and control late-night cravings. The night time formula also contains green tea extract, which aids in fat oxidation while the body is at rest.

The unique combination of ingredients in Phen24 offers multiple benefits. It helps to boost metabolism, increase energy levels, and promote fat burning during the day, allowing users to stay active and burn more calories. The night time formula supports restful sleep and reduces evening cravings, preventing overeating and supporting weight loss efforts.

By addressing both daytime and night time aspects of weight loss, Phen24 provides a comprehensive solution for those looking to achieve their goals.

It is all-round support for those looking for a holistic aid to their weight loss goals. I’m a massive fan.


Trimtone is an effective weight loss supplement designed specifically for women. There’s a bit of a problem in this, for me. It’s a great supplement, hence its entry on this list (and dozens of lists just like this one – it makes most of them!).

Trimtone capsules in hand next to bottle

However, I can’t understand why it is only aimed at women, except from a marketing standpoint. Everything in its formula should be equally good for men – so men, don’t be put off.

One of Trimtone’s main ingredients is caffeine. It acts as a stimulant, increasing energy levels and boosting metabolism. This, in turn, leads to increased calorie burning and fat loss. Caffeine also has appetite suppressant properties, helping to reduce cravings and control calorie intake.

Then there is green coffee bean extract, another important ingredient in Trimtone. It contains chlorogenic acid, a compound that helps to regulate blood sugar levels, reduce fat absorption, and promote fat burning. Green coffee bean extract also acts as an antioxidant, protecting the body against oxidative stress.

Trimtone also features grains of paradise, a spice known for its thermogenic properties. It helps to increase energy expenditure, accelerate metabolism, and promote the breakdown of stored fat. Grains of paradise should also assist in regulating blood sugar levels and improving insulin sensitivity, with fantastic benefits to energy levels, satiation, and overall weight loss.

In addition, Trimtone contains glucomannan, one of my favourite ingredients. Glucomannan is a natural dietary fibre that greatly aids satiation. It expands in the stomach to up to fifty times its starting size, reducing appetite and preventing overeating. Glucomannan also aids in digestion and helps to regulate bowel movements, as any good fibre will do.

This combination of ingredients offers several benefits. It boosts metabolism, increases energy levels, and promotes fat burning. The appetite suppressant properties help to control cravings and reduce calorie intake. Trimtone also aids in digestion and supports overall well-being.

Trimtone’s formulation is specifically designed for women, taking into consideration their unique physiological characteristics, apparently. Fair enough, I just don’t see it. The carefully selected ingredients are thought to work together to address women’s weight loss needs. They should also be highly effective for men, though, as above.

Either way, it’s a great metabolism booster.


PrimeShred is another product that’s quite close to my heart – I’ve used it several times to great effect. It’s a powerful, fat-burning supplement designed to help you shed excess weight and achieve a leaner physique, the same as anything on this list.

Prime Shred appetite suppressant

Its ingredients list is superb.

One of the main ingredients in PrimeShred is green tea extract. Green tea is known for its metabolism-boosting properties and thermogenic effects. It contains catechins and antioxidants that help increase energy expenditure and promote fat oxidation. Green tea extract also supports overall health and well-being.

Another key ingredient in Prime Shred is l-tyrosine, which I always like to see in this kind of product. L-tyrosine is an amino acid that supports the production of neurotransmitters such as dopamine and norepinephrine. This helps to enhance focus, improve mood, and increase mental alertness during workouts, allowing individuals to push harder and maximize their fat-burning potential.

Prime Shred also includes green coffee bean extract, which, as we have already seen, contains chlorogenic acid. This compound helps regulate blood sugar levels, reduce fat absorption, and promote fat metabolism. By optimizing blood sugar levels, it helps prevent spikes and crashes in energy levels, allowing for sustained fat burning throughout the day.

In addition to the above ingredients, Prime Shred features cayenne pepper, the potent natural thermogenic compound that we ran into above. As we have seen, cayenne pepper increases body temperature, boosting metabolism and increasing calorie burning. It also helps to suppress your appetite, reducing your need for a higher calorie intake.

The unique combination of these ingredients in PrimeShred provides multiple benefits. It promotes fat burning, boosts metabolism, and increases energy levels, allowing individuals to burn more calories and work out more effectively. Prime Shred also enhances focus and mental clarity, helping you to stay motivated and committed to their weight loss goals.

It’s a solid, well-made offering that should help any weight loss dieter to achieve their goals far more ably.

Powher Cut

Powher Cut in a cutting-edge fat-burning formula, once more specifically designed for women, providing them with a powerful tool to help achieve their weight loss ambitions.

Once more, this targeting is pretty eronious – Powher Cut should work well for everyone.

Powher Cut is made with a selection of premium ingredients that work together to deliver exceptional results. One of the standout components is glucomannan, included as Konjac Root, that natural fibre we saw above that creates a feeling of satiety. By curbing hunger cravings, it should help you to stay on track with your diet, avoiding overeating.

Another key ingredient in Powher Cut is choline, an essential nutrient that plays a crucial role in metabolism. As we have already seen, choline supports the breakdown of fats and helps convert them into energy, enabling you to power through your workouts and stay active throughout the day.

Powher cut bottle

To further enhance its efficacy, Powher Cut includes various natural thermogenic compounds (including the likes of cayenne pepper and green tea extract, which we’ve already come across). These ingredients have been shown to increase body temperature and boost metabolism, leading to greater calorie burning and fat loss. As we have seen, green tea extract is also rich in antioxidants and catechins, which will promote overall health and well-being alongside aiding your weight loss efforts.

Powher Cut doesn’t stop there – it also packs in some great essential vitamins and minerals like vitamin B6 and zinc. These nutrients play integral roles in energy production, hormonal balance, and immune function, ensuring that women have the support they need to maintain their overall health during their weight loss journey. They are also important for men, helping to optimise testosterone levels, for instance.

Again, the targeting is erroneous, though the product as a whole is terrific.

With Powher Cut, you can expect a range of benefits to support your weight loss efforts. These include the likes of increased energy levels, improved focus, and enhanced mood, which should allow you to stay motivated and committed to your fitness goals. The potent combination of ingredients in Powher Cut works synergistically to boost metabolism, suppress appetite, and promote efficient fat burning, helping women (and men!) as they look to achieve a leaner and more toned physique.

It’s a great product, as long as you ignore the branding.


PhenGold is a popular weight loss supplement that has caught the attention of many users looking to shed those extra pounds. Indeed, it’s caught my attention in the past – it’s one of my go-to fat burners when I need to use them.

It’s no wonder, really – packed with powerful ingredients, and as I point out in my PhenGold review, it is designed to provide incredibly effective support for your weight loss journey.

PhenGold capsules in hand

One key ingredient in PhenGold is green tea extract, which we have already seen is well-known for its metabolism-boosting properties. Green tea contains antioxidants and catechins that help increase calorie burning and enhance fat oxidation. This should all help to support your body’s natural fat-burning processes, helping you trim down those stubborn areas.

Another important component in PhenGold is l-theanine, the amino acid we saw above that can help to promote a sense of calm and relaxation. By reducing stress and anxiety, l-theanine can help curb emotional eating and support healthy eating habits during your weight loss journey.

We have already seen how cayenne pepper, another ingredient in PhenGold, offers thermogenic effects that contribute to weight loss. It increases body temperature, which in turn boosts your metabolism. This helps your body burn more calories and fat, leading to a more efficient weight loss process.

Rhodiola SP, a herbal adaptogen found in PhenGold, plays a role in increasing energy levels, focus, and endurance. It can help to combat fatigue and boost exercise performance, allowing you to push harder during workouts and maximize your weight loss potential.

Aside from these key ingredients, PhenGold also contains vitamins and minerals, including stalwarts like vitamin B3, vitamin B6, and vitamin B12. These should all help to support energy production and metabolism, giving you the extra stamina needed to stay active and motivated on your weight loss journey.

Its unique blend of ingredients, including green tea extract, L-theanine, cayenne pepper, and Rhodiola SP, work together to boost metabolism, increase energy levels, and enhance fat burning. If you’re looking for an effective supplement to aid in your weight loss journey, then PhenGold may well be it.

How Do Metabolism Boosters Work?

Metabolism boosters work by increasing the metabolic rate, which is the rate at which your body converts food into energy. These boosters typically contain ingredients that can enhance various aspects of metabolism.

There are generally a few ways in which metabolism boosters can work, including:

  • Thermogenesis: Many metabolism boosters work by increasing thermogenesis, which is the process of generating heat in the body. All of the supplements on this list should elicit greater rates of thermogenesis. This can lead to an increase in calorie burning and fat loss. Ingredients like caffeine, green tea extract, and cayenne pepper are known to have thermogenic properties, all of which we have seen in the list above.
  • Increased Energy Expenditure: Metabolism boosters can increase your energy expenditure or the number of calories your body burns at rest. This is often achieved by increasing your basal metabolic rate (BMR), which is the number of calories your body needs to perform basic functions like breathing and circulating blood. Ingredients like green tea extract, forskolin, and capsaicin have been shown to increase BMR.
  • Appetite Suppression: Many metabolism boosters also have appetite-suppressing effects, which can help reduce calorie intake and support weight loss. By curbing cravings and promoting feelings of fullness, these boosters can assist in managing portion control and reducing overall calorie consumption. We’ve seen this already – glucomannan and the like can all greatly diminish your appetite and cravings.
  • Fat Metabolism: Certain metabolism boosters can target the breakdown and utilization of stored fats. Ingredients like green tea extract and caffeine have been found to increase the oxidation of fat, allowing the body to use it far more readily as a fuel source.
  • Muscle Maintenance: Metabolism boosters that contain ingredients like branched-chain amino acids (BCAAs) or protein can help preserve lean muscle mass during weight loss. This is important because muscle burns more calories than fat, so maintaining muscle mass can help sustain a healthy metabolism. We’ve not seen so much of this above – this list is primarily concerned with metabolism, but adding these ingredients in separately can be well worth doing.

It is worth noting that while metabolism boosters can support weight loss efforts, they are not a substitute for a healthy diet and regular exercise. Adopting a balanced lifestyle that includes a nutritious diet and regular physical activity is crucial for long-term weight management.

If in doubt, always speak to your healthcare provider about any changes to your diet, lifestyle, or supplement regime.

Metabolism Booster FAQs

Are metabolism boosters safe?

Most metabolism boosters that contain natural ingredients are generally safe, but individual factors can affect how well they work and how safe they are for you. It’s always a good idea to talk to your healthcare provider before making any change to your diet, lifestyle, or supplement regime.

Can metabolism boosters help with weight loss?

While metabolism boosters can support weight loss efforts, they are not a substitute for a healthy diet and regular exercise. Adopting a balanced lifestyle that includes a nutritious diet and regular physical activity is crucial for long-term weight management.

With these in place, a metabolism booster can improve weight loss efficiency and make it far easier to stick to a weight loss diet and exercise plan.

How often should I take a metabolism booster?

The dosage and frequency of taking a metabolism booster can vary depending on the specific product. It’s important that you follow the dosage instructions provided with the supplement or as directed by your healthcare professional.

Are there any side effects of metabolism boosters?

Metabolism boosters may cause side effects like headache, nausea, or jitteriness in some people, especially products that contain ingredients like caffeine.

Always make sure to read the ingredient labels carefully and talk to your healthcare professional before making any changes to your diet, lifestyle, or supplement regime.

Our Overall Top Pick

PhenQ is truly one of the best metabolism boosters going. It has a unique formulation that works wonders in revving up your metabolic rate. By increasing thermogenesis in your body, PhenQ helps your body burn more calories and fat, even while at rest. This means that your metabolism will be firing on all cylinders, helping you shed those extra pounds faster.

PhenQ’s carefully selected ingredients underpin this. They are all potent, well dosed, and work synergistically to enhance your body’s fat-burning capabilities.

PhenQ label

The likes of capsimax powder, which increases thermogenesis, and chromium picolinate, which supports healthy blood sugar levels to curb cravings and regulate metabolism, stand testament to this.

PhenQ doesn’t just boost your metabolism; it also provides a sustainable energy boost. Unlike other metabolism boosters that can leave you feeling drained and fatigued, PhenQ’s energy-enhancing ingredients keep you feeling energized throughout the day.

This extra energy can be a game-changer as it helps you stay active and motivated to engage in regular exercise and burn even more calories.

Then there is PhenQ’s ability to improve your mood. The unique blend of ingredients in PhenQ includes those known to have mood-enhancing properties. When you’re in a positive mental state, it becomes easier to stay committed to your weight loss journey and make healthier choices. All this, and it helps to suppress your appetite, too.

Of course, pretty much all of the items on this list do all this and more. They will all serve you well. However, nothing quite matches PhenQ for quality – it is well-dosed, the ingredients well-sourced, and everything rests on a firm bedrock of clinical analysis. It’s far from one of a kind, it’s simply a prime example of its type.