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5 Best Thermogenic Pre-Workout Supplements To Boost Fat Loss 2023

Mitchelle Morgan

Updated on - Written by
Medically reviewed by Melissa Mitri, MS, RD

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Transparent Labs Lean

Transparent Labs Lean

  • Increases energy.
  • Fast-acting fat-burner.
  • The flavors are pleasant

GAT Sport NITRAFLEX Burn, Pre-workout Thermogenic Powder


  • Affordable.
  • No added sugars.
  • Improves brain health.

BLACKMARKET CUTS Thermogenic Pre Workou


  • Good Manufacturing Practices (GMP) certified.
  • Burns fat efficiently.
  • Third-party tested.

Everyone aspires to have the ideal physique. Women usually strive for a slim waist, a lean physique, a plump back and hip area, and a flat stomach. A broad and firm chest, a narrow waist, and powerful, lean muscular legs are the ideal body goal for most men.

Unfortunately, most of us are not naturally sculpted this way; we must work hard to achieve these goals.

With that said, going to the gym sounds like the greatest option!

But here’s the issue:

You’ve got some persistent fat around your tummy, thighs, and backside that won’t go away despite working out, and this is preventing you from getting the body you want. So, how do you go about it?

The best thermogenic pre work out can help provide an added boost to burn extra fat and finally get that firm, lean muscle you’ve always desired.

Each thermogenic supplement, as claimed, promises a variety of benefits. Some may offer increased blood flow and help to balance blood sugar levels. In contrast, others will promise increased muscle endurance, hunger suppression, enhanced metabolism, protein synthesis, and so on—all of which will aid fat-burning and weight loss.

But how can you decide which thermogenic pre work out is best for you?

Let’s look at five pre-workout supplements with thermogenic ingredients.

Best Thermogenic Pre-Workouts For Fat Loss 2023

What Is Thermogenesis?

Thermogenesis[1] is a metabolic process in which your body produces heat by burning calories. The ingredients involved in this process usually raise the body’s core temperature to facilitate the burning of more calories.  

The most basic principle of weight loss is that you must burn more calories in your diet than you consume. Burning the fats you consume leaves no room for any extra to be converted into stored body fat.

Certain ingredients may aid in accelerating metabolism and burning calories via thermogenesis. The most common include Cayenne pepper[2], green tea, green coffee bean extract, l-carnitine, caffeine, bitter orange, Yohimbe[3], and Garcinia cambogia[4].

All of these thermogenic ingredients may be in the best thermogenic pre-workouts. Not all of them, however, are included in every package.

Green tea or green coffee bean extract may be the key fat-burning ingredient in some. In contrast, Garcinia Cambogia may be the main element in others. Or perhaps a supplement may have both.

It all relies on the recipe and the brand, and the promises they make.

It’s also worth noting that different thermogenic ingredients aid fat loss in various ways. For example, some restrict your appetite or keep you satisfied for longer. Cayenne pepper[5] is an excellent ingredient that does this.

Others boost metabolism or increase fat-burning by providing you with more energy, allowing you to work out quicker and harder.

These methods are encouraging since they all have the same goal of increasing fat loss quickly. They target fat deposits with the goal of dissolving them. Regular pre-workout pills may have the same effect as thermogenic pre-workout supplements but are less effective. As long as you don’t overdo it, they’re both safe.

Also, always follow your doctor’s advice. Remember that to get the best thermogenic benefit from thermogenic pills, you must also eat well and exercise often.

Now let’s dive deeper into five of the best thermogenic pre-workout supplements for fat loss 2022.

The Line Up At A Glance

Transparent Labs Lean

Editor’s choice

Transparent Labs Lean

  • Increases energy.
  • Fast-acting fat-burner.
  • The flavors are pleasant.

GAT Sport NITRAFLEX Burn, Pre-workout Thermogenic Powder

Best Cognitive Improving Weight Loss supplement

GAT Sport NITRAFLEX Burn, Pre-workout Thermogenic Powder

  • Affordable.
  • No added sugars.
  • Improves brain health.

BLACKMARKET CUTS Thermogenic Pre Workou

Best Thermogenic Pre-Workouts for male and female

BLACKMARKET CUTS Thermogenic Pre Workout

  • Good Manufacturing Practices (GMP) certified.
  • Burns fat efficiently.
  • Third-party tested.

Cellucor C4 Ultimate Shred Pre Workout Powder

Best High Caffeine Thermogenic Pre-workouts

Cellucor C4 Ultimate Shred Pre Workout Powder

  • Boost metabolism.
  • Potent fat-burner.
  • Offers immense energy boosts.

RSP AminoLean

Best Low-Caffeine Thermogenic Pre-workout

RSP AminoLean

  • Has low caffeine.
  • No added sugars.
  • Third-party tested.

Top 5 Thermogenic Pre Work Out Supplements For Fat Loss 2023

Transparent Labs Lean

The product helps you to burn more calories even after you finished your workout. Caffeine also enhances mental focus and increases the core body temperature[6], facilitating fat oxidation.

  • Has BCAAs (Branched-chain amino acids) which aid in developing lean muscle mass and strength.
  • Caffeine used is in high doses, which can improve workout performance.
  • The flavors are pretty pleasant.
  • It begins working in 15 minutes on average.
  • No artificial sweeteners, dyes, and preservatives.
  • Expensive.

Transparent Labs fat-burning pre-workout supplement is an all-natural fat-burning mix. The high-quality product incorporates L-theanine, an amino acid that improves cognitive[7] performance and interacts harmoniously with caffeine to prolong its benefits.

You’ll get lots of long-lasting energy, better muscle formation, a boosted metabolism, and weight loss.

It has 6 grams of citrulline[8] and other performance-enhancing substances. The thermogenic fat burner contains Synephrine[9], hordenine[10], and guggulsterone[11], which helps with fat loss. This fat-burner formula also helps with thyroid function.

GAT Sport Nitraflex Burn, Pre-Workout Thermogenic Powder

GAT Sport NITRAFLEX Burn, Pre-workout Thermogenic Powder

This pre-workout thermogenic supplement is a one-of-a-kind product that can help you increase your workout performance. It can also assist you in achieving your muscle-building goals and burning body fat in the same instant.

  • No added sugars or synthetic preservatives.
  • It may help boost cognition.
  • Affordable thermogenic supplement.
  • Gives a small spicy feeling in the mouth and throat.

Nitraflex Burn combines unique ratios of scientifically confirmed nutrients and components like L-Theanine, L-Tyrosine, and Rauwolfia Vomitoria Root Extract[19] to aid in the creation of a deep mental connection while also keeping you energetic and focused.

CaloriBURN, a patented substance in the formula, has been demonstrated to assist and enhance activity levels and enhance physical composition by stimulating brown adipose tissue. It made from 100% Aframomum melegueta[20] (grains of paradise) extract.

You may feel some spiciness, but this is a normal reaction to the CaloriBURN Grains of Paradise. It is not harmful in any way. Increased sweating is also normal due to Nitraflex Burn’s thermogenic impact.

Nitrosigine[21], another ingredient present, has been demonstrated in scientific studies to increase muscle volume and blood flow and boost energy levels. It may also help to improve mental clarity and prevent muscle atrophy caused by extreme workouts.

There are no artificial colors in this product. They were there before, but the manufacturer no longer uses them.

BLACKMARKET CUTS Thermogenic Pre Workout

BlackMarket Labs manufactures performance supplements and apparel for men and women in a GMP-certified institution in Salt Lake City, Utah, USA. This thermogenic pre-workout powder appears to be a beneficial thermogenic aid that contains a whopping 411 percent of the necessary mineral chromium[12].

  • Fat-burning matrix with many ingredients.
  • Third-party tested.
  • GMP approved.
  • It makes use of a proprietary blend.
  • Contains artificial sweeteners and flavors.

Chromium, one of the key ingredients in this thermogenic pre-workout, appears to be advantageous to insulin function[13]. Insulin is a hormone that helps humans digest protein, carbohydrates, and fats.

Individuals with Type 2 diabetes tend to have decreased amounts of chromium. The preferred form, which you’ll find in this pre-workout, appears to be chromium picolinate. Furthermore, 200-1000 mcg[14] may positively impact blood sugar levels.

Although the 144 mcg of chromium per serving of this thermogenic pre-workout supplement may be a touch below the recommendation, you should also look to an overall healthy eating plan to guarantee you are reaching your daily nutritional needs for this nutrient.

It also contains 300 mg of caffeine[15], which will offer you intense energy to help you get through your workouts.

The products come in a fat-burning matrix or a specific blend of ingredients that help with physical and mental performance and fat reduction. Beta-alanine[16], raspberry ketone, n-acetyl l tyrosine, agmatine sulfate, l-theanine, l-carnitine tartrate, evodiamine[17], acetyl l carnitine HCL, caffeine, choline bitartrate[18], theobromine, and chromium picolinate are some of the ingredients.

Cellucor C4 Ultimate Shred Pre-Workout Powder

Cellucor C4 Ripped may make you feel jittery due to the amount of caffeine in the supplement. Thus, it’s ideal for getting through intense workouts that need that extra ounce of energy.

  • It may provide an energy boost..
  • May aid in the reduction of fat.
  • Pleasant and flavourful taste.
  • May boost metabolism and concentration.
  • It is not appropriate for those sensitive to caffeine. .
  • It is expensive.

This thermogenic fat-burning pre-workout powder contains ingredients added to help you focus and perform better. However, it also acts as a stimulant. If you feel tingling after taking it, don’t be shocked. The caffeine content is relatively high at 300mg.

To put the caffeine content into perspective – t: 100ml of espresso has about 212 mg of caffeine. Getting one dose of the product is a bigger punch than an espresso.C4 Ripped contains capsicum and l-carnitine[22], which will accelerate your metabolism and help you burn fat. The high doses of beta-alanine and arginine aren’t strictly necessary, but those who lift weights will benefit from the added strength-boosting benefits.

RSP AminoLean

Victor Davanzo, a former varsity athlete, founded RSP in 2008 to provide the best quality products. After being unsatisfied with numerous options that he felt were not wholesome or safe, he noticed the need for safe and nutritious nutritional supplements.

  • There are three different performance blends.
  • Caffeine content isn’t excessive.
  • Caffeine is from a natural source
  • Epigallocatechin gallate (EGCG) and Green tea are also present.
  • Third-party tested.
  • Exclusive mixes.
  • It contains maltodextrin, sweeteners, artificial flavors, and red coloring.
  • For some people, it might induce stomach pain.

Amino Lean pre-workout with thermogenic ingredients is a unique supplement that provides energy, weight control, and mental focus anytime.

Although the product label does not specifically indicate it as a pre-workout, it contains 125 milligrams of caffeine per serving and other cognitive-enhancing chemicals.

It also provides a suitable dosage of vitamin C for immune health and other benefits. However, the three performance mixes are the star of the show.

The three blends are:

Amino Acid Mix

Taurine[23], L-citrulline, and beta-alanine are all included in the amino acid blend. You’ll also receive Blockchain amino acids, BCAAs, and essential amino acids[24] (EAAs).

BCAAs are amino acids that are “burned” for energy by your muscles. Leucine, valine, and isoleucine are the amino acids that make up branched-chain amino acids.

Weight Loss Mix

Contains L-carnitine, green tea[25] standard to 95% Epigallocatechin gallate (EGCG), conjugated linoleic acid[26]. Green Coffee[27] standard to 50% chlorogenic acids[28].

These ingredients have anti-cancer, anti-inflammatory, and anti-obesity characteristics.

Energy And Attention Mix

InnovaTea natural caffeine and theobromine[29] are included in the energy and focus blend.

Difference Between Thermogenic And Other Pre-Workout

Thermogenic pre work out may help you lose weight and fat by enabling your body to burn more calories to by producing heat. They contain substances like cayenne and bitter orange, which push for thermogenesis.

The phrase “thermogenic” is on the packaging of thermogenic pre-workouts. However, this isn’t to say that other pre-workouts don’t have chemicals to boost thermogenesis.

However, many regular pre-workouts concentrate on substances that improve fitness, such as caffeine, beta-alanine, l-citrulline, tyrosine, creatine, and taurine.

Here is a brief comparison of the regular pre-workout supplements and thermogenic pre-workouts:

Thermogenic Pre-Workouts Supplements

  • The purpose is to increase metabolic rate.
  • They contain non-stimulant substances that stimulate fat-burning.
  • Caffeine content is usually lower than that of pre-workout drinks.
  • Their main purpose is to burn fat, not build muscle. 
  • They contain ingredients that improve immunity.

Pre-Workout Supplements

  • The idea is to provide you with enough power to work out.
  • Encourage concentration while exercising.
  • Amino acids like BCAAs are commonly found in supplements to help aid muscle growth and recovery.
  • Nitric oxide and other substances that enhance protein synthesis and nutrition delivery may be present.

How To Choose Best Thermogenic Pre Work Out?

Consider the following when choosing the best thermogenic pre work out supplements:

Ingredient Profile

While not all thermogenic supplements contain the same ingredients, they should all contain a healthy balance of known fat-burning ingredients.


This may vary depending on the product and individual response to each ingredient present.

Production Standards

Products should be GMP-compliant to assure quality. It’s also in your best interest to choose ele products that have been third-party verified for purity and effectiveness.

This is especially important since dietary supplements, including thermogenic fat-burning supplements, are not FDA approved.

Side Effects

Side effects are possible.  However, this does not always indicate that the product is defective, as one person may have side effects while another does not.

Here are some common side effects tied to some ingredients used in pre-workouts.

  • Consuming caffeine in huge concentrations may cause some jitters, nausea, heart palpitations, agitation, anxiety, disorientation, irritability, and dehydration. This is due to its ability to elevate[30] systolic blood pressure.
  • Creatine is another popular pre-workout ingredient that can irritate stomach. This is more common[31] if you go beyond the 3-5 grams, which is the recommended daily dose.
  • Some people may experience digestive issues[32] due to artificial sweeteners, sugar alcohols, and gums.

Regardless, if you experience any type of side effect, be sure to stop usage and seek medical advice as soon as possible.


This may vary depending on the product and individual response to each ingredient present.

Final Thought

We all want to be fit and healthy, and thermogenic supplements may help you get there. Fat-burning pre-workouts are all over the market. So, you need some background information to select the most effective to facilitate your fat loss journey.

The first step is to get medically evaluated by your doctor to get the go-ahead. Second, get the recommended the best thermogenic pre-workouts as advised and use them as intended.

Stick to the dosages, and if you need to cycle the product, do so. Cycling a workout thermogenic fat burner every 6 to 8 weeks will prevent you from developing a tolerance to the ingredients,  which is common with ongoing use.

Lastly, if you decide to go with any of the five or other supplements, ensure that they are authentic and not counterfeit.

Frequently Asked Questions

What is thermogenic pre work out?

A thermogenic pre work out is a supplement that contains thermogenic ingredients that raise the body heat to burn fat efficiently.

Can a thermogenic pre-workout help me lose weight?

Numerous factors determine how much weight or fat someone can shed. Diet, exercise, mental stress, rest, hormonal levels, health state, and consistency all play a part. As a result, there is no one-size-fits-all solution to this, as your commitment and general health will play a role.

Do thermogenics make you feel more energized? 

The breakdown of fat reserves produces much energy; therefore, thermogenic pre-workouts may provide you power. During workouts, you may notice a change in your stamina and endurance.

Should I take regular breaks from my thermogenic pre work out?

Yes, you should cycle your thermogenic pre work out every 6-8 weeks to give your body a break from the stimulants present, such as caffeine. This stops your body from developing a resistance to these stimulants, which can reduce the effectiveness of the pre-workout.

Are thermogenic pre-workouts harmful to your health?

Most thermogenic pre-workouts on the market are relatively safe, but a few may have side effects depending on the ingredients. It is recommended to speak to your doctor first before starting any supplement and sticking to the suggested dosage to avoid unwanted side effects.

Is it true that thermogenics work?

Yes, thermogenic pre-workouts work, as evidenced by numerous clinical trials and scientific studies. Thermogenics can help you lose weight by combining them with the proper diet and exercise.

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Health Canal avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in Health Canal, you can read more about the editorial process here

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Mitchelle Morgan

Medically reviewed by:

Melissa Mitri

Mitchelle Morgan is a health and wellness writer with over 10 years of experience. She holds a Master's in Communication. Her mission is to provide readers with information that helps them live a better lifestyle. All her work is backed by scientific evidence to ensure readers get valuable and actionable content.

Medically reviewed by:

Melissa Mitri

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