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Maxislim is claimed to carry out extensive weight loss and weight management owing to the potent mix of ingredients that it contains. Clinical studies do not however support all of the claims made by the company.

Below we have reviewed Maxislim against our review criteria to help consumers make an informed decision.

Maxislim Review

Maxislim Pros
  • Contains some clinically tested ingredients
  • Not associated with severe side effects for most people
Maxislim Cons
  • Does not have clinical backing as a product
  • Is capable of manifesting stimulant-related side effects

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Maxislim Review

This particular product has been designed to cause weight loss at quite a large scale according to the claims associated with it. It contains ingredients such as L-Tyrosine, Caffeine, Green tea and guarana seed amongst others, which are said to be capable of delivering effective results. The product itself however has not been clinically tested and most of the ingredients are in the early stages of scientific testing.

Claimed weight loss benefits

This particular weight loss supplement claims to carry out fat burning, metabolism boosting and appetite suppression. It aims to do so through the process of thermogenesis.

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How Maxislim Works


One of the processes associated with Maxislim is that of metabolism boosting. As aforementioned, Maxislim aims to provide a thermogenic reaction. What this essentially means is that it aims to carry out a process whereby heat is generated, and this heat is subsequently translated as energy for purposes of weight loss. Thermogenesis is said to increase the metabolism.

The second process associated with Maxislim is that of fat burning. This particular process is also related to the first one. This is because thermogenesis supposedly allows for the provision of energy, which might result in boosting up the rate of metabolic reactions. What this might subsequently mean is that fat is burned at a faster and higher rate.

The third claim associated with Maxislim is that of appetite suppression. The features of this third and final claim are not associated with thermogenesis. Appetite suppression is more likely to be caused by other ingredients; L- Tyrosine is most strongly associated with appetite suppression.

L- Tyrosine

An amino acid in nature, L-tyrosine assists the brain in the creation of neurotransmitters, for instance dopamine. This particular amino acid is itself made from phenylalanine, which is another amino acid. As it is a protein, it is believed to help in carrying out metabolism boosting. Moreover, it is believed that L – Tyrosine also has a role to play when it comes to appetite suppression.

Cayenne pepper extract

Cayenne pepper extract is extracted from chili pepper. It is also known as Guinea spice. It is believed to contribute to weight loss owing to the presence of capsaicinoids. These are irritants that may have the capacity of causing a burning sensation when they come into contact with fatty tissue. Hence, the prime contribution of cayenne pepper extract in this regard is contributing to fat burning through causing thermogenesis, which is said to be made possible by the presence of capsaicinoids.

Vitamin B6

Also known as pyridoxine, Vitamin B6 is a fairly important member of the B complex family. It is water soluble in nature. It is believed to contribute to metabolism boosting. This is supposedly made possible through the stimulation of various different enzymes within the body. Vitamin B6 is said to be capable of stimulating these enzymes, which then take care of metabolism boosting and fat burning. It is also believed that this particular vitamin is capable of targeting glycogen. This is useful because this allows for carbohydrates to be converted into glycogen, which is subsequently converted into energy. This might allow for metabolism boosting.

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Key Maxislim Ingredients


L Tyrosine

L-Tyrosine is an amino acid. It is believed to help the brain in the process of making neurotransmitters, for instance dopamine. It is believed that tyrosine itself is created from another amino acid by the name of phenylalanine. Due to its protein nature, it is thought to contribute to the boosting of metabolism. There are also assertions that this particular ingredient may assist in the process of appetite suppression if it is used in conjunction with other products containing caffeine. However, there is not an extensive level of information surrounding this particular ingredient so one ought to be careful in drawing any conclusions.

Green Tea

Green tea has been used over generations as a weight loss ingredient due to the presence of antioxidants. Antioxidants are chiefly responsible for the actions associated with green tea. First off, antioxidants supposedly allow for thermogenesis to be carried out. Secondly, antioxidants are said to contribute to the process of metabolism boosting, which means that fat can be burned at faster and higher rates.

Guarana Seed Extract

Guarana seed extract is believed to be native to the South American region. It is rich in caffeine. In this regard, the chief contribution of this particular ingredient is thought to be metabolism boosting. It might therefore spur up the rate at which processes are conducted, subsequently allowing for fat to be burned at higher and faster rates. It is also believed that guarana seed extract increases the rate at which fat enters the bloodstream. This process is known as lipolysis.

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Clinical Studies

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Maxislim does not have any clinical studies associated with it. We were unable to come across the official website of the weight loss supplement and the other sources of information writing about this supplement do not mention anything about clinical studies. In such a situation, we turn to individual ingredients and see if they have any validity associated with them.

Vitamin B6

With reference to this particular ingredient, we were able to come across a double blind and placebo controlled study. This study involved a total of 20 participants and was conducted for a total duration of 24 weeks. It was conducted so as to determine what effect if any does pyridoxine has on weight loss and weight maintenance. When the results came out, they demonstrated that intake of this particular ingredient caused a fat loss on average of 1.12 kg and 1.82 kg at 12 weeks and 24 weeks respectively.


For this particular ingredient, we were able to come across a study which was conducted for a total period of 8 weeks. Its subjects were overweight men and women. It was conducted so as to determine the effect of intake of guarana seed extract on weight loss. The results demonstrated that intake of guarana caused higher levels of weight loss. More specifically, its intake resulted in a decrease of hip circumference as well as levels of serum triglycerides.

Green tea

We were able to come across two different kinds of studies for this particular ingredient. The first set of studies were conducted for a total period of 12 to 13 weeks. Their purpose was to determine whether intake of green tea is able to translate into results in terms of weight loss and weight management. The results displayed a range of weight loss from 0.2 kg to 3.5 kg. This set of studies was conducted in Japan. There was another set of studies as well, which was conducted outside of Japan. They demonstrated a difference of a mean weight of 0.04 kg.

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Maxislim Side Effects

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This weight loss supplement is not free from side effects. The ingredients present within it are capable of manifesting side effects. While it generally believed to be a safe ingredient, L-tyrosine may at times cause issues such as headaches and nausea. It is also associated with fatigue and heartburn as well as pain in the joints. The problem with green tea is that it contains caffeine and hence is capable of manifesting all the side effects associated with caffeine. Noticeable amongst these are anxiety, nervousness and tremors. It can also cause headaches and sleep disorders such as insomnia. Lastly, it can cause rises in heart beat and blood pressure.


This particular ingredient is capable of causing headache and nausea. It can also cause heartburns and pain in the joints. Finally, an excess of this particular ingredient within the body can result in an overactive thyroid, which can be dangerous. This is because excess tyrosine can result in an excess of thyroxine, hence resulting in hyperthyroidism.

Green tea

Green tea contains caffeine, and is hence capable of manifesting all the side effects associated with caffeine. Noticeable amongst these are nervousness, tension and anxiety. It can also cause tremors at times. Other than that, it can result in headaches and sleep disorders such as insomnia. Finally, this particular ingredient can cause rapid rises in blood pressure and heartbeat.

Cayenne Pepper

Cayenne pepper is generally a safe ingredient, though it can cause side effects at times. Noticeable amongst these are irritation, burning and itching. Other than that, there have been no effects reported with reference to this particular ingredient.


Guarana is capable of causing quite a lot of side effects, because it too contains caffeine. It can cause nervousness and restlessness as well as insomnia. It is also associated with nausea and vomiting as well as tremors and dieresis. Other than that, it can cause ringing in the ears. Another noticeable side effect of guarana is pain while urinating. Lastly, this particular ingredient can cause rapid breathing as well as considerable irritation in the stomach.

Vitamin B6

This particular ingredient can cause side effects such as nausea and vomiting as well as headaches. It can also cause a loss of appetite in some individuals. Lastly, it can cause stomach pain, tingling and sleepiness.

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How to Use

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There is a bit of a confusion surrounding intake of Maxislim weight loss supplement. This is because there is no official website to provide us with the information in this regard. The instructions from other sources are as follows: You are required to take 1 to 2 capsules about 30 minutes before breakfast, and 1 to 2 capsules again about 30 minutes before lunch. Your intake should not be more than 4 capsules in a single day. Other than that, the instructions tell you to drink about 8 to 10 glasses of water each day. Moreover, this product is required to be taken in cycles – you should take it for 5 to 6 days and then abstain from it for 1 to 2 days. Ensure that you read the instructions provided with the product carefully before use.

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Who Makes It?

The company behind Maxislim is Healtharena. It is based in the United Kingdom and was founded in 1982 and therefore appears to be well established and firmly grounded with a presence lasting over three decades. It offers a variety of products ranging skin care products to ones aiming to bring about weight loss.

The Contact Us page of this particular company appears to be helpful, though to a limited extent. We can find the postal address of the company, a telephone number and a fax number. However, there is no email address on the Contact Us page. While there is an email address listed in the About Us section, it appears that it is not aimed at dealing with customer service related concerns. Instead, you have to place your queries in text boxes for them to be directed by the manufacturers.

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Where to Buy Maxislim


Since we were unable to come across any official website for this particular weight loss supplement, your only bet in this regard would be purchasing this particular product from third party agents. It is possible to purchase Maxislim weight loss supplement from a wide variety of third party retailers. For instance, you can purchase a single bottle containing 150 capsules from The Health Bay for a price of £32.68. The same amount of pills on Amazon costs £31.81. You can also buy a bottle worth 28 capsules for £8.99 and a bottle worth 75 capsules for £19.24.

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Does Maxislim Meet our Approved Criteria

Money-back-guarantee: No. There does not seem to be a money back guarantee.

One-off payment: Yes, purchase of this product appears to be a one-off payment.

Manufacturing Standard: There is no mention of any official manufacturing standards.

Accompanying Diet Plan: There is no mention of a diet plan with this product.

Ingredients and quantities disclosed: An ingredients list is provided.

Company contact details readily available: Contact details are provided on the official website.

Maxislim does not meet our ‘Approved’ criteria as there is no money-back guarantee or diet plan and some information is lacking from the official website, including manufacturing standards.

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Overall Verdict

Maxislim is claimed to aid several key areas of weight loss. It has not been studied as a whole product, but some of the ingredients have been subject to clinical investigation, typically with varied, inconclusive results. The product might cause caffeine-related side effects, but should not be dangerous for most people. The company provides contact details but there is no money-back guarantee or diet plan. There is also no mention of official manufacturing standards.

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