Intermittent fasting has quickly become one of the most popular methods of weight loss. By developing a schedule that switches between eating and fasting, your body is triggered to burn extra fat. Intermittent fasting has also been found to reduce the risk of life-threatening medical conditions such as obesity, diabetes and cardiovascular disease. 

While intermittent fasting is effective, it is not easy to do. You have to resist food cravings when you shouldn’t be eating yet make sure you take enough portions when it’s time to eat. Fat burners can help make the process easier and move you faster toward your ideal weight. Not all fat burners work well with intermittent fasting but some have proven particularly adept at getting the job done. They provide the crucial micronutrients you need, suppress your appetite and boost your metabolism. 

We have identified five fat burners that complement intermittent fasting most effectively.

Best Fat Burners for Intermittent Fasting

1

Phen Q

Editor's Choice

2

Instant Knockout

Best For Energy

3

Leanbean

Best For Reducing Hunger

4

Phen 24

Best For 24-Hour Metabolism Work

5

Burn Lab Pro

Best For Reducing Muscle Loss

1. PhenQ

A thermogenic fat burner from Wolfson Brands, PhenQ is formulated from clinically tested ingredients.

It targets specific aspects of excess body fat and promises to accelerate your journey to that lean muscular physique you have always hoped for. 

PhenQ does not just incinerate extra fat but also blocks weight gain by inhibiting food cravings and the formation of new fat cells.

As a plus, it regulates blood sugar, improves mood as well as elevates mental and physical energy levels. PhenQ’s ingredients include alpha-lipoic acid, black pepper, caffeine, calcium, capsicum annum, chromium, cysteine, l-carnitine fumarate, nopal cactus and vitamin B3.

Pros and Cons

Pros

  • Targets and incinerates specific aspects of excess body fat.
  • Inhibits food cravings and the formation of new fat cells.
  • Contributes to the regulation of blood sugar levels.
  • Improves mood as well as elevates mental and physical energy levels.
  • Made in FDA-registered, cGMP-compliant facilities.

Cons

  • Contains caffeine which could trigger adverse effects in caffeine-sensitive persons. These include anxiety, shaking, dizziness, restlessness, irregular sleep, headaches and heart palpitations.
  • PhenQ only supplements the work you put into a proper exercise and diet lifestyle. It does not work on its own.

Why Buy PhenQ

PhenQ can be a valuable ally in an intermittent fasting plan. It does not just drive fat loss but also works to prevent the regain of weight lost. It does that by inhibiting food cravings and the production of new fat cells. Perhaps as an indicator of the product’s efficacy despite being a relatively recent entrant, nearly 200,000 individuals have purchased the product so far.

The UK-based Wolfson Brands Limited is the company behind PhenQ. Established more than ten years ago, it has grown to become a recognizable name in the health and wellness space. Other products in the Wolfson Brands stable include Battle Ready Fuel, Crazy Nutrition, Hår Vokse, NooCube, Proactol XS Smart Protein and XYZ Smart Collagen.

2. Instant Knockout

Also known as Instant Knockout Cut, this fat burner from Roar Ambition was originally made for the professional athlete. Whereas it has stuck to its sports-centered roots, it has found wide acceptance among non-athletes keen on tapping into its capabilities.

Instant Knockout aims to be the supplement you go for when you are not just trying to reduce weight but also achieve well-shredded legs, arms, abs and pectorals.

It works by boosting your metabolism naturally thus precipitating an energy deficit that drives the breakdown of body fat to meet the need. The end result is a greater impact of every moment you spend in the gym and a quicker journey toward the body you hoped for. Instant Knockout’s ingredients are clinically tested. They include black pepper, caffeine, cayenne pepper, glucomannan, green tea, l-theanine, vitamin B6, vitamin B12 and vitamin D3.

Pros and Cons

Pros

  • Rapid fat loss.
  • Inhibits food cravings.
  • Boosts skeletal strength and maintains lean muscle mass.
  • Made in FDA-registered, cGMP-compliant facilities.
  • Vegan-friendly.

Cons

  • Contains caffeine which could trigger adverse effects in caffeine-sensitive persons. These include anxiety, shaking, dizziness, restlessness, irregular sleep, headaches and heart palpitations.
  • Instant Knockout only supplements the work you put into a proper exercise and diet lifestyle. It does not work on its own.

Why Buy Instant Knockout

Instant Knockout protects your intermittent fasting gains by speeding up the burning of excess fat and blocking food cravings. 

It is made by the UK-based Roar Ambition, a sports nutrition manufacturer with a product range aimed at driving improvement in fitness, focus, health, speed, strength and weight. Established in 2012, other products in its stable include Hunter Burn, Hourglass Fit, Prime Male, Hunter Focus, TestoFuel and Hunter Test.

3. Leanbean

A women-focused fat burner from Ultimate Life, Leanbean aims to get rid of extra fat, impede hunger pangs and naturally speed up your body’s metabolism. It lifts your focus as well as increases mental and physical energy both in and out of the gym. That way, you achieve your physique and weight loss targets quicker. 

It is formulated from clinically researched and extensively tested natural ingredients including important minerals and antioxidants.

Leanbean’s ingredients are thoughtfully selected to speed up fat loss while protecting you from the nutrient deficiencies and health challenges that may be caused by unusually fast weight drop. These ingredients include acai berry, black pepper, choline, chloride, chromium, garcinia cambogia, glucomannan, green coffee, turmeric, vitamin B6, vitamin B12 and zinc.

Pros and Cons

Pros

  • Incinerates extra fat and impedes hunger.
  • Improves focus as well as mental and physical energy levels.
  • Prevents nutrient deficiencies and health challenges that may accompany unusually fast weight drop.
  • Manufactured in FDA/BRC-compliant and GMP-certified facilities.
  • Vegan-friendly.

Cons

  • A women-centered product. Results are less assured for men that choose to use it.
  • Leanbean only supplements the work you put into a proper exercise and diet lifestyle. It does not work on its own.

Why Buy Leanbean

Intermittent fasting comes with important health benefits beyond the core goal of fat loss. But as with any diet program, it’s important that the reduction in food intake does not mean a deficiency in vital nutrients. Leanbean’s ingredient mix is designed to protect you from the risk of fasting-induced nutrient deficiencies. 

Ultimate Life is the health supplement company behind Leanbean. Established in 2015 and headquartered in the UK, it does not have the wide product range of many of the leading industry players. It has however distinguished itself in the women-focused weight loss product space. Other than Leanbean, Ultimate Life makes Powher.

4. Phen24

Few fat loss supplements go to as great lengths to cover all key bases as Phen24. Made by Wolfson Brands, it comes in two bottles for 24-hour metabolism management. One bottle is a daytime fat burner and the other for nighttime fat loss. The idea is to ensure the momentum of fat loss is maintained. 

Both Phen24 Day and Phen24 Night aim to increase your metabolism through thermogenesis.

It promises to cut your extra fat, inhibit food cravings, improve mood, fight off stress, stretch endurance and enhance overall mental and physical energy. The ingredients are extensively tested to work with your body’s circadian rhythm. 

Phen24 Day has caffeine, cayenne powder, copper, guarana extract, iodine, l-phenylalanine, manganese and zinc. Phen24 Night contains molybdenum, hops extract, griffonia, green tea, glucomannan, choline bitartrate, chromium, calcium, vitamin B7, vitamin B6, vitamin B5, vitamin B1 and vitamin C.

Pros and Cons

Pros

  • Cuts extra fat and inhibits food cravings.
  • Improves mood, fights off stress as well as enhances overall mental and physical energy.
  • 24-hour metabolism management to ensure fat loss momentum is maintained.
  • Made in FDA-registered facilities.
  • Vegan-friendly.

Cons

  • Phen24 only supplements the work you put into a proper exercise and diet lifestyle. It does not work on its own.
  • Phen24 Day contains caffeine which could trigger adverse effects in caffeine-sensitive persons. These include anxiety, shaking, dizziness, restlessness, irregular sleep, headaches and heart palpitations.

Why Buy Phen24

Intermittent fasting banks on consolidating weight loss gains over time to realize your body goals relatively quickly. With Phen24 Day and Phen24 Night, the impact of your fasting cycles can go further. You have a lower risk of losing gains since your metabolism remains elevated both day and night. 

The UK-based Wolfson Brands Limited is the company behind Phen24. Established more than ten years ago, it has grown to become a recognizable name in the health and wellness space. Other products in the Wolfson Brands stable include PhenQ, Battle Ready Fuel, Crazy Nutrition, Hår Vokse, NooCube, Proactol XS Smart Protein and XYZ Smart Collagen.

5. Burn Lab Pro

A fat loss supplement from Opti-Nutra, Burn Lab Pro accelerates the depletion of excess body fat thus propelling you to a leaner and more muscular physique.

The well-researched and rigorously tested ingredients trigger the production of fat burning hormones and enzymes, boost metabolism and calorie use, impede the growth of new fat cells, inhibit food cravings, inject energy, enhance workout endurance and improve muscle recovery.

Burn Lab Pro does not just boost fat burning while you are exercising but continues even when you are at rest. As a plus, it protects your bulking gains by slowing muscle loss. The ingredients include hydroxymethylbutyrate (HMB), coleus forskohlii herb, chromium, capsicum annum, calcium and black pepper.

Pros and Cons

Pros

  • Depletes excess body fat.
  • Inhibits food cravings and impedes growth of new fat cells.
  • Injects energy, enhances workout endurance and improves muscle recovery.
  • Protects your bulking gains by slowing muscle loss.
  • Made in a cGMP-certified, FDA-compliant facility.

Cons

  • Burn Lab Pro only supplements the work you put into a proper exercise and diet lifestyle. It does not work on its own.

Why Buy Burn Lab Pro

Burn Lab Pro does not just do the things you would expect from a fat burner such as driving fat loss and blocking cravings. And yes, these are important for intermittent fasting. But it goes further to impede the formation of new fat cells and slows down the onset of muscle loss if or when you temporarily stop exercising.

Burn Lab Pro is made by Opti-Nutra, a UK-based dietary and health supplement company. Founded in 2015, it is a relatively recent player in the supplement space but one that has quickly distinguished itself from many more established manufacturers. Other products from Opti-Nutra include its flagship Mind Lab Pro as well as more than a dozen supplement formulations under the Performance Lab brand.

Conclusion

Intermittent fasting is anything but easy. Getting your body into that fasting and feeding cycle requires determined discipline. You need all the help you can get. The right fat burners can be just what you require to faster propel you toward your weight loss goals. 

We have covered five fat loss supplements that have proven to be more effective than their peers in complementing an intermittent fasting weight loss campaign. As with any fat burner however, results are contingent on your maintaining an appropriate weight management lifestyle that combines a good diet with rigorous exercise.

Frequently Asked Questions (FAQs)

Will these fat burners work for my intermittent fasting?

They are designed to work for the majority of people as long as you combine use with an appropriate weight management lifestyle of good diet and rigorous exercise.

Are these fat burners safe?

They are made from well researched and extensively tested ingredients. That said, always consult your doctor before you get on any supplement so you can get the guidance you need depending on your current health status. This is especially important if you are under 18, pregnant, nursing or are on medication.

Fat burners are discouraged for persons diagnosed with conditions such as endocrine diseases, autoimmune disorders, liver illnesses, kidney problems, diabetes and cancer.

How long will it take to see results?

You should give it at least a number of weeks. The speed of results will depend on the supplement used, adherence to recommended dosage, consistent use, amount of body fat (the more the body fat, the more visible the loss) and the adoption of a healthy lifestyle.

Are there any side effects?

They have no known side effects.

Can I take more than one fat burner at once?

You should not. The supplements have been tested for their own ingredient mix but not their interaction with one another. It also makes it harder for you to know which supplement works for you and which one doesn’t.

About the author 

Tim Rockwell

As a certified fitness instructor and health coach, I have helped countless people lose weight using safe and effective supplements. My own personal journey to better health has been an inspiring one, and I am passionate about helping others achieve their goals as well. Whether you are looking to improve your overall wellness or simply want to shed a few pounds, I can help you reach your goals with the right supplement regimen customized specifically for you. Contact me today to get started on your healthy new future!

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