Fast Lean Pro Reviews – Is It A Natural Formula For Burning Fat?

Dr. Ricardo Alvarez | Last Updated : May 15, 2023

Fast Learn Pro is a new dietary supplement that helps in weight management based on the latest Japanese scientific discovery known as Fasting Switch. The supplement aims to promote weight loss by supporting fasting. It provides an improved rate of metabolism and accelerates cellular renewal. This Fast Lean Pro review contains details about the weight loss capsule.

According to the study published by the School Of Public Health at Harvard University, two out of three Americans suffer from the condition of being overweight or obese. The same study shows that one out of three Americans are obese. Being overweight is described as a condition when the BMI is greater than or equal to 25 while obesity is a condition when the BMI is greater than or equal to 30. What this means is approximately  69 percent of the American population is suffering from weight management-related issues. 

Fast Lean Pro Reviews: A Nutritional Supplement For Weight Loss?

From a first look, Fast Lean Pro seems to be a legit and safe supplement. However, to know more about the genuineness of this weight loss supplement analysis is needed. The ingredients used in which it is designed, the overall weight reduction supplement score, the health benefits of the capsule, and the pros and cons of Fast Lean Pro supplement. Each of these can be found in separate sections. 

Other than this, it also has details about the functioning of this nutritional supplement, its legitimacy, the dosage, and the instructions to use. To deeply understand a supplement before buying it one has to have an overview of the feedback of customers who bought it before them, which is also included in this Fast Lean Pro review. At the end of the feedback, you can find the frequently asked questions about this supplement. 

Fast Lean Pro Review
Product NameFast Lean Pro
Item FormPowder
PurposeWeight loss
Product DescriptionFast Lean Pro fat-burning supplement is a 100% natural weight loss supplement designed to assist people maintain a healthy weight
Core IngredientsNiacin
Vitamin B12
Fibersol 2
Biogenic Polyamine Complex
Fast Benefits– Supports weight loss
– Accelerates metabolism
– Better digestion
– Provides more energy to the body
Bottle quantity51g
Quantity intake1.7g a day
Usage GuidelinesTake 1 scoop, one or two times daily, to 6–8 oz of your coffee, tea, or any beverage of your choice.
Result ExpectedAt least 90 days to get any visible result
CostBasic = $69 (1 jar)
Good Value = $177 (3 jars)
Most Popular = $294
(6 jars)
BonusesBonus #1 – Total Hair Regeneration
Bonus #2 – Total Body Rejuvenation: 4 Tibetan Secrets for a Longer Life
Rating⭐⭐⭐⭐ 4.7/5
Refund policy180 days
AvailabilityOn the official site only
Official websiteClick here

What Is Exactly Fast Lean Pro?

Fast Lean Pro fat-burning supplement is a 100 percent natural weight reduction supplement developed with the aim to help people to keep their weight at a healthy level. This Fast Lean Pro nutritional supplement is prepared using herbal ingredients that are extracted from nature in their purest form after fine refining. 

The Fast Lean Pro weight loss formula blend consists of Vitamin B12, Fibersol 2, Niacin, Sukre, Chromium, and Biogenic Polyamine Complex. All these elements are clinically proven of having qualities that support weight loss. 

The supplement comes in bottles in powder form. Each bottle of Fast Lean Pro contains 1.79 oz (51 g) of the formula. It is manufactured in lab facilities that are approved by the FDA and the manufacturing process is GMP-certified which means that it is produced meeting quality standards put forward by the US Food and Drug Administration. The manufacturer guarantees that the Fast Lean Pro powder supplement is free from all kinds of GMOs. 

In-Depth Review Of Ingredients Used In Fast Lean Pro Fat Burn Supplement

The ingredient blend of the Fast Lean Pro formula contains 11 herbal elements that are added in the correct portion in the exact order. What follows is a brief description of Fast Lean Pro ingredients. 

  • Niacin 

Niacin does not allow energy levels to drop, enabling fat metabolism. 

  • Vitamin B12

Vitamin B12 is behind calorie burning. Further, it helps to rejuvenate the skin by renewing cellular production.

  • Chromium

Chromium is to support the autophagy process, the automated cellular breakdown to release nutrients. It does not allow the body to gain weight by rebalancing the amount of insulin present. 

  • Fibersol 2

The role of Fibersol 2 is to provide overall rejuvenation to the body. Another function that it carries out is the addition of good bacteria to the gut to synthesize vitamins and aid cellulose digestion. 

  • Sukre

Sukre fastens the rate of calorie burning by improving metabolism.  It also provides vital support to liver health

  • Biogenic Polyamine Complex

Biogenic Polyamine Complex is to assist the process of fat breakdown in the body. Its regenerating property helps the cells to renew themselves. 

Fast Lean Pro Ingredients

Fast Lean Pro Weight Loss Supplement Score?

Ever since Fast Lean Pro was launched it has become one of the most popular in its category. If you want to get maximum results you will have to be regular with its usage for a minimum of three months. 

Fast Lean Pro Score Card

Overall Score4.2
Weight Loss Score4.8
Cellular Renewal Score4.6
Metabolism Score4.7
Ingredient Quality Score4.5
Manufacturing Quality Score4.4
Whole Body Health Score3.8
Adherence Score3.9
Cost Score4
Bonus Score3.6

Bottom Line: Fast Lean Pro nutritional supplement is a scientifically founded weight management supplement that is clinically proven to reduce weight. The supplement has other benefits such as restoring energy in already existing cells, burning fat, and helping you to keep your body weight within the healthy range. As the unique blend ingredients are carefully added to each scoop of the powder there cannot be any side effects from it. The price of one jar can be as down as 49 US dollars.  

Fast Lean Pro Working Principle

As mentioned earlier, Fast Lean Pro works based on the scientific discovery of the Fasting Switch. It is a process that lets the brain think that you are fasting and tells it to use the stored energy. This leads to the breaking down of the older energy cells. When the body needs calories to function and you have not intaken food, it automatically goes to destroy the older cells. The excessive cells in the body are engulfed by other functioning cells. When this happens, the amount of calorie storage and lipid accumulation decelerate. 

As per a study by the National Institute of Health, it was statistically proven that people who practiced intermittent fasting turned out to be more healthy, and as such the risk of obesity is comparatively very less than others who did not practice it.  The properties of the Fast Lean Pro ingredients by letting the brain think that it does not need to intake more food, while it also rejuvenates the body and makes it healthy. 

Health Benefit Of Using Fast Lean Pro

Fast Lean Pro weight loss formula is a blend of potent herbal ingredients and can deliver better results as it focuses on the root cause of weight gain and obesity. 

  • Supports weight loss
  • Accelerates metabolism
  • Works based on the proven way to cure type 2 diabetes
  • Enhances immunity
  • Provides more energy to the body
  • Better digestion

Recommended Dosage Of Fast Lean Pro Dietary Supplement

Fast Lean Pro weight loss supplement comes in powdered form in bottles. It is easy to use this to get your desired results. All you have to do is consume one scoops of Fast Lean Pro fat burner formula regularly for a period of three months. 

You can add the scoop of powder to a tall glass of water, and dissolve to drink it just like you are having a glass of water. You can also mix it with hot beverages such as coffee, tea, or any drink of your choice. Using it one time a day can give you results while using it twice can give you better results. To get the best result one scoop of the powder is to be added to 6-8 oz of the drink that you are having. 

Pros And Cons Of Fast Lean Pro Supplement


  • Fast Lean Pro powdered supplement is composed of herbal extracts 
  • Promotes healthy weight loss
  • It is manufactured in an FDA-approved lab facility
  • It is GMP-certified
  • The supplement is GMO-free
  • Easy-to-use formula
  • Comes with a 180-day money-back guarantee


  • Overdosage can cause other health issues
  • People below 18 and pregnant women and nursing mothers can not use
  • The supplement can only be purchased from its official website

Is Fast Lean Pro Scientifically Proven Or Not?

As mentioned on the official website, Fast Lean Pro dietary weight loss supplement helps you to lose weight. It is common for supplements to claim many benefits and not deliver any of them. Initially, this same concern happened in the case of Fast Lean Pro too. From in-depth research, it was proven that the formula wh which the supplement is manufactured has the unique properties to let the body shed weight. 

In addition, the supplement is manufactured in a lab facility that has met the quality standards put forward by the FDA and is also GMP-certified So far, there have been no negative feedback about the supplement from those who used it before. 

Fast Lean Pro Supplement Facts

Price And Availability Of Fast Lean Pro?

Fast Lean Pro dietary supplement is only available on its official website for purchase. On visiting the website there is an option to buy the supplement. By clicking on it you will be taken to the checkout page. The page will contain details about the different packages available and the Fast Lean Pro Price of each package. 

The three different packages are named Basic, Good Value, and Most Popular. Read ahead to see what they mean:

Basic: This package contains 1 jar of net weight 1.79 oz (51 g) for 69 US dollars. No shipping charges. Lasts for 30 days 

Good Value: This pancake contains 3 jars, each of net weight 1.79 oz (51 g)  for 177 US dollars. No shipping charges will be levied. Lasts for 90 days. 

Most Popular: This package contains 6 jars, of net weight 1.79 oz (51 g) per jar for 294 US dollars. Free shipping. Lasts for 180 days.

Comparing Fast Lean Pro With Other Weight-Loss Supplements

Supplement Fast Lean ProLeanBiomeIkaria Lean Belly Juice
Supplement formPowderCapsules Powder
Net quantity1.79 oz (51 g) 60 capsules 1.79 oz (51 g) 
Vitamin B12
Fibersol 2 
Biogenic Polyamine Complex

Lactobacillus Gasseri
Green Select Phytosome
Lactobacillus Rhamnosus
Lactobacillus FermentumInsulin
Milk thistle
Panax ginseng
Citrus pectin

Longevity of resultsMore than one yearLess than one yearLess than one year
Price per jar69 US dollars59 US dollars69 US dollars
Bonuses Total Hair Regeneration
Total Body Rejuvenation: 4 Tibetan Secrets For Longer Life

Energy Boosting Smoothies
Anti-aging BlueprintVIP Coaching

21 Gut-Friendly Smoothies For Faster Weight Loss
Refund Policy180 days180 days180 days
Fast Lean Pro Comparison

Any Customer Reviews Of Fast Lean Pro

The official website of the supplement has more than 13,985 Fast Lean Pro customer reviews. This means that the number of customers who have brought this before you can only be more than this. By analyzing all the Fast Lean Pro reviews the supplement has been given above 4.6 out of 5 stars. 

To this date, no complaints have been registered in the name of Fast Lean Pro. The supplement is offered with a refund policy. There is no record of any of the verified users claiming this. All these can be taken as an indication of the fact that the customers seem to be in terms of 100 percent customer satisfaction claimed by the seller. 

Fast Lean Pro Customer Reviews

Fast Lean Pro Refund Policy

Fast Lean Pro formula is backed up with a refund policy mentioned as the 180-day money-back guarantee. It is for the people who used the supplement but did not get any of the results it claims to have. You have to use Fast Lean Pro dietary weight loss supplement for at least 90 days to get any visible results, this is the general case. Some have reported having received changes within a month of using the supplement while some others had to sue for around five months. 

It is advised to use the supplement for at least a time of four months. Within that, you might be able to feel the change that is taking place in your body. Even after following the correct dosage and being proper with healthy sleeping patterns and workouts, if still, you feel unsatisfied you can proceed for the refund. 

The only thing to take care of is that the refund request should be made within 180 days from the date of purchase. 

Available Fast Lean Pro Bonuses

Fast Lean Pro comes with 2 free bonuses. When you order this nutritional supplement from its official website you can avail of two of the bonuses. It is to be noted that the free bonuses are only available when you order either the package of three jars or the package of six jars. These are in the form of e-books that will take you to a refreshing way of life. 

  • Free Bonus 1: Total Hair Regeneration

The first free bonus that comes along with the Fast Lean Pro fat burner supplement is an e-book titled Total Hair Regeneration. It is worth 79 US dollars. In this digital bonus, you can find the natural ways by which you can grow healthy hair. It has methods that can be followed to grow thicker and shinier hair

  • Free Bonus 2: Total Body Rejuvenation: 4 Tibetan Secrets For A Longer Life

The second free bonus of the Fast Lean Pro nutritional supplement is another e-book that is titled Total Body Rejuvenation: 4 Tibetan Secrets For A Longer Life. As the name suggests the contents of the ebook are about the secret methods that have been practiced in Tibet since ancient times to prolong the lifetime. It has details about the morning routines that you can follow that will fill the rest of your day with energy. 

Fast Lean Pro Bonuses

Fast Lean Pro Reviews: Final Suggestions

From the manufacturing standards that the supplement has met and the quality of the Fast Lean Pro ingredients seems like a result-delivery guaranteed supplement. One of the reasons for the supplement being certain to make noticeable changes in body weight is the fact it uses the concept of intermittent fasting to deliver excessive calories. The supplement when consumed in the right dosage can make the nervous system have a feeling of being in a fasting state.

Therefore the old and excessive cells present in the body will break down to release energy. This can benefit the body in multiple ways such as weight loss, cell renewal, prevention of cancer, better immunity, and more energy. The supplement is backed up by a 180-day refund policy and there are 2 free bonuses when it is ordered from its official website. The Fast Lean Pro reviews available on the internet are all positive, which makes it a worthwhile product to try.



  1. National Library Of Medicine(n.d) Intermittent fasting and weight loss Available [Online] at:
  2. Hardvard Health Publishing(n.d) Should you try intermittent fasting for weight loss? Available [Online] at
  3. CDC(n.d) Losing Weight Available [Online] at:

DISCLAIMER: Please be advised that any recommendations or suggestions made here are not a substitute for professional medical advice from a certified healthcare provider. In case you have concerns or doubts regarding the details shared above, make sure you consult with a licensed professional before making any purchasing decision.

Dr. Ricardo Alvarez

Dr. Ricardo Alvarez was a former Medical professor and faculty at Harvard Medical school. After resigning, now he is practicing as a general physician who deals with the diagnosis and treatment of general health problems and disorders. He earned his MS and PhD from Columbia University. Ricardo Alvarez completed his undergraduate education from an accredited medical college under the University of London and completed his training from AMCAS and is a doctor with earned board certification.

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