Watchdog Approved Diet Pills

NRG Thermofuel

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NRG Fuel is a British company that sells a wide range of supplements aimed at fitness enthusiasts, for improving their physique and physical performance.

One of their products is Thermofuel, a fat burner that they claim will help you to lose weight by increasing your body temperature and therefore boosting the metabolism. We see if it can live up to the claims made about it.

NRG Thermofuel Pros

  • Clinical trials support ingredients
  • Good variety of ingredients

NRG Thermofuel Cons

  • No detail of ingredients quantities
  • High in caffeine
  • Inadequate description of how it works
Watchdog Rejected Diet Pills
NRG Thermofuel

NRG Thermofuel Review

NRG Thermofuel Facts

  • Manufactured and sold by NRG Fuel
  • 180 capsules per bottle
  • Free UK delivery

NRG Fuel Thermofuel is one of a large range of products sold by NRG Fuel, a UK based company that specialises in providing ‘the right nutritional supplements for every sport.’

They are endorsed by several sportsmen, including boxer Carl Froch. Whilst they provide a range of fat burners that are affordable, Thermofuel is by far their most expensive, retailing at £39.99 per bottle. All of their products are available with free delivery to the UK, with no minimum spend.

The company seems easy to contact. As well as a transparent address, they also provide a phone number and online contact form, as well as having a strong presence on both twitter and Facebook.

The recommended dose of Thermofuel is 2 capsules 30 minutes before breakfast and 2 capsules 30 minutes before lunch. Two additional capsules can be taken before exercise, if required. Consumers should not take Thermofuel less than 4 hours before going to bed, as the stimulant ingredients can interfere with sleep patterns.

The product description of Thermofuel leaves a lot to be desired. Whilst it gives an overview of how the product works, it does not specify the roles of any individual ingredient, or provide any relevant research to support the claims made by the company. Potential customers would have to research the product further themselves if they wished to know exactly how it worked. Luckily, we have done the research for you, as detailed below.

NRG Thermofuel Concerns:

  • High levels of caffeine
  • High chance of unpleasant side effects
  • No ingredient quantities

What Does NRG Thermofuel Claim To Do?

NRG Fuel made a lot of bold claims about their product, including that it is the most effective weapon in the fight for weight loss and definition. They state that:

Thermofuel will rev up your metabolic rate to help induce fat burning to the max whilst the added appetite suppressant will curb those hunger pangs. Thermogenics have been added to increase your bodies core temperature and energy levels meaning your workouts will be better and more rewarding than ever! Vital nutrients have been added to keep you mentally focused and physically motivated not only during your workouts but through the day meaning dieting is made easy.

So What Is NRG Thermofuel and What Are The Ingredients For NRG Thermofuel?

The ingredient quantities in Thermofuel are not made clear on the official website, but may be detailed on the packaging.

Thermofuel contains numerous vitamins, including vitamins B1, B5, B6, and B12, as well as Biotin, which is also known as vitamin H. B vitamins play numerous different roles in the body, but are important for the release of energy from cells and from food, making them important for maintaining a healthy metabolic rate. Whilst a deficiency may hinder the metabolism, taking excess amounts of these vitamins may not further aid weight loss, and could even lead to some side effects.

Here’s some more details of the other ingredients:

  • Caffeine: Caffeine is a stimulant that has been found to increase both the metabolism and rate of fat oxidation in the body, in the 3 hours following consumption. The increase in fat oxidation is highest in the third hour following consumption, and is higher in people of a normal weight than in obese people who participated in studies. Caffeine is also associated with various side effects, depending upon how much is consumed.
    Source:http://www.ncbi.nlm.nih.gov/pubmed/7369170
  • Guarana extract: Guarana is a natural source of caffeine. This plant extract is commonly used in energy drinks. Other than containing caffeine, Guarana holds no other weight loss properties.
  • Garcinia Cambogia: Garcinia Cambogia is a small fruit, also known as the Malabar Tamarind. Test tube and animal research suggests that HCA, the active compound in Garcinia Cambogia, may be helpful in weight loss because of its effects on metabolism. However, studies in humans have found mixed results. Some studies have found it has no effect upon either appetite or metabolic rate, whilst others showed increased weight loss compared to the use of a placebo.
    Source: http://www.med.nyu.edu/content?ChunkIID=21727/
  • l-tyrosine: An amino acid that is a building block of protein, this ingredient is found naturally in many foods including meat and dairy products. Some people use it as an appetite suppressant, but there is little evidence that it is effective for this use. Large doses of tyrosine may be useful for increasing alertness, especially in people who are sleep deprived.
  • l-carnitine: A supplementation of this ingredient has been found to improve fat oxidation.
  • Citrus aurantium: Also known as Bitter Orange Extract, this ingredient contains synephrine. A review of numerous studies concluded that use of synephrine resulted in an increase to the participants resting metabolic rate and energy expenditure, and moderate weight loss was seen in studies lasting over 6 weeks. However, there are some concerns about the safety of bitter orange extract being under-researched: numerous side effects that have been associated with its use. The Mayo Clinic states that the risk of serious side effects outweighs any benefits in aiding weight loss.
    Source: http://www.ncbi.nlm.nih.gov/pubmed/22991491
  • Ginger root: Some studies suggest that ginger root is an appetite suppressant. One study used dried ginger powder to make a tea that participants drank with breakfast. Researchers found that satiety levels were much higher when the tea was consumed with breakfast, rather than just the breakfast on its own.
  • Chromium picolinate: This is used primarily to lower fasting blood sugar levels and to lower insulin levels in people who have type 2 diabetes. In terms of its potential effect upon weight loss, it is possible that taking chromium picolinate by mouth for 2 to 3 months might produce a small weight loss of about 1.1 kg. Obviously this is an incredibly small amount of weight loss, but studies are still inconclusive.
  • Piperine: Piperine is black pepper extract, and has been found to increase the absorption rate of vitamins and minerals, as well as numerous medicines. People who are taking separate medications should be careful in using Piperine, as there is the small possibility of causing overdose even using regular doses of prescribed medications, especially as the quantities used in Thermofuel are unknown.
    Source: http://www.ncbi.nlm.nih.gov/pubmed/17987447
  • Cayenne extract (capsaicin): The capsaicin in Cayenne pepper is thought by some to play a role in weight loss. Some studies suggest it could suppress the appetite mildly, whilst others suggest that the heat causes a thermogenic reaction in the body, burning more calories for a period of time. However, there are also studies that show cayenne has little or no effect upon weight loss attempts.
    Source: https://umm.edu/health/medical/altmed/herb/cayenne
  • Green Tea: Green tea is high in a group of antioxidants called catechins. Studies have suggested that catechins and caffeine both increase energy expenditure by boosting the metabolism temporarily. However, the metabolic increase caused by green tea is limited. One study found that the use of green tea was not enough to counteract weight gain following a very low calorie diet.

So What Does All This Mean?

This is a huge variety of ingredients, with many of them having clinical support. Including various vitamins that will be beneficial if the user has any deficiencies, but as it is marketed at people who are fitness enthusiasts, this should not be a real problem.

Green tea and guarana are both natural sources of caffeine, as well as caffeine being present as a separate ingredient. Depending upon the unknown ingredient quantities, this could potentially mean that the product is high in caffeine- whilst this will increase the amount of fat oxidation that occurs in the body, it may also increase the chances of side effects, especially as it may interact with citrus aurantium, another ingredient in Thermofuel.

Ginger may act as an appetite suppressant, and may be the appetite suppressing ingredient referred to by NRG Fuel in their vague product description.

Does NRG Thermofuel Have Any Side Effects?

All diet pills do carry some risk of the user developing side effects. The potentially high levels of caffeine in this product mean that symptoms such as headaches, dehydration, diarrhoea, increased urination, heart palpitations, jitteriness and shaking.

Caffeine can also disrupt sleeping patterns, depending upon when it is consumed and in what quantities. Users should avoid taking Thermofuel after mid-afternoon to reduce the chances of insomnia. Caffeine is also known to increase the potency of citrus aurantium, another ingredient present in Thermofuel.

Citrus Aurantium is also known as bitter orange extract, and contains several stimulants, including synephrine. It has been linked with increased blood pressure and an increased heart rate, and in some healthy patients has caused strokes and heart attacks.

Other side effects include fainting, heart palpitations, and the ingredient may also interact with any medications the consumer is also taking. The Mayo Clinic recommends that dieters avoid the use of bitter orange extract, even though it is a proven metabolic booster. This is because the risk of adverse side effects outweighs any weight loss that may be achieved through its use.

Green tea may reduce the amount of iron that is absorbed by the body from food, and so anaemic people limit its usage. Piperine increases the bioavailability of vitamins and minerals, but also of some medicines. In some cases this could lead to overdose, and so people who take prescription medications should consider consulting their doctor before taking this product.

As Thermofuel works primarily by boosting the thermogenic activity in the body, it is likely that the user will notice a raised body temperature and increased sweating, as well as an increased heart rate and raised blood pressure.

Caution:
Avoid if you are pregnant or breast-feeding.

Not intended for those under the age of 18, or for people who have cardiovascular health issues, including high blood pressure.

Those who are sensitive to stimulant ingredients should also avoid the use of Thermofuel.

Any NRG Thermofuel Reviews From Customers?

Despite our best attempts to locate customer reviews of Thermofuel, we were only able to find one, left as a product review on a slimming website. It is a very favourable review, but the lack of reviews and the very few views on the promotional product video have made us conclude that the product is just not very popular compared to other products available within the same market.

The one review we did find stated:

Really good and effective product. I had my concerns as to whether it would work or not before I bought it because I’ve not used fat burners before, but it has helped me to lose some fat and get leaner. I have gone from a lean 15.2 stone to 14.6 in around 3 weeks – combined with a high protein diet, weight training and 15 minutes cardio each session. I used the NRGFuel BCAA’s to which also helped. So thumbs up from me.

Whilst this review states that the product works, the results achieved were undoubtedly from a mixture of the intensive exercise program, strict diet, and the use of another diet pill in conjunction with Thermofuel, as well as Thermofuel itself. Not all Thermofuel customers could expect similar results without following a weight loss program with a similar level of intensity.

So Does NRG Thermofuel Work?

The customer review we have available, as well as the studies associated with each of the ingredients, suggests that Thermofuel would indeed boost weight loss. More customer reviews, as well as an ingredients amount list would be required to establish just how effective Thermofuel is at boosting weight loss and the body’s fat burning potential.

Where Can I Buy NRG Thermofuel?

Thermofuel can be bought from the NRG Fuel official website at a price of £39.99 per bottle, with free posting to UK addresses. Each bottle contains 180 capsules.

Slimming.com also sell Thermofuel, which, at the time of writing, was retailing at £19.99 per bottle plus delivery.

What About A Guarantee

NRG Fuel currently have no money back guarantee, but detail their returns policy clearly on their website.

Watchdog Verdict

Overall, Thermofuel is possibly a strong thermogenic weight loss aid. However, the lack of information about the product ingredients means that its true strength is unknown. The list of ingredients does have a lot of clinical backing. However, the use of citrus aurantium, as well as a large amount of caffeine from three different sources means that the chances of developing side effects are quite high. This also means that there are numerous groups of people who should avoid the use of Thermofuel for their own health.

More customer feedback and increased information from the company about how each of the ingredients works would help to assure us that Thermofuel is actually a good product to assist weight loss. For customers who will not research individual ingredients independently, the product information provided in incredibly vague.

In terms of value for money, it is much more expensive than the other products NRG Fuel has available, but is still by far not the most expensive fat burner that we have seen on the market. 180 capsules will last between 30 and 45 days, depending upon the servings used, which makes the price from slimming.com incredibly good value for money.

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Disclaimer: Our reviews and investigations are based on extensive research from the information publicly available to us and consumers at the time of first publishing the post. Information is based on our personal opinion and whilst we endeavour to ensure information is up-to-date, manufacturers do from time to time change their products and future research may disagree with our findings. If you feel any of the information is inaccurate, please contact us and we will review the information provided.



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