PUREFIT KETO for Weight Loss

PUREFIT KETO REVIEW (UPDATED 2018): Don’t Buy Before You Read This!

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Samantha Somerson, PharmD.
Ketogenic diets are growing in popularity everywhere, particularly for people who have tried every conventional (and unconventional) diet that involved reducing calorie and fat intake, and increasing exercise – yet still failed to take off weight, or keep it off. The reason the upsurge in interest in keto diets –…
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Ketogenic diets are growing in popularity everywhere, particularly for people who have tried every conventional (and unconventional) diet that involved reducing calorie and fat intake, and increasing exercise – yet still failed to take off weight, or keep it off.

The reason the upsurge in interest in keto diets – essentially a high fat, low carb eating plan – is that they have been shown to reduce body weight, often quite rapidly. And, they don’t leave you feeling hungry.

That’s the good news. The bad news is that keto diets are notoriously difficult to do properly, as the diet itself can have some pretty unpleasant side effects. It is also difficult to maintain, as it can be fairly unforgiving on anyone who slips up, or indulges in a little cheat. Enter keto diet pills like Purefit Keto that have been formulated to help you have all the benefits of a keto diet, without having to deal with the common downsides.

Its manufacturer claims that it’s one of the best keto pills around. It is also sometimes called the “shark tank keto pills”, as it has been claimed that it has been endorsed by, and received funding from, the investors on the TV reality show, Shark Tank.

In this review, we’ll put Purefit Keto under the spotlight, to enable you to make an informed decision about whether or not it’s one of the best keto pills, and whether it’s the supplement for you.


To understand how Purefit Keto works, let’s just remind ourselves about the mechanism of the keto diet itself. Ketogenic diets bring about a state of nutritional ketosis or hyperketonemia. This has nothing to do with dangerous conditions such as diabetic ketoacidosis. Rather, ketosis in this context refers to the production of ketone bodies which are derived from fats and some amino acids, and which the body can burn as fuel in the absence of carbohydrates. In other words, you body burns fat cells for energy – and, as we all know, getting rid of excess fat on the body is the goal of every weight loss plan.

However, for a keto diet to be effective, your body has to remain in a state of ketosis at all times. Slip out of ketosis after giving in to a craving for a small slice of cake, a chocolate or ice-cream (remember, sugar is a carb) or even a baked potato (high in starchy carbs which ultimately convert to glucose) and your weight loss progress will slow to a crawl, or even stop altogether as your body reverts to burning carbs for fuel. Your body will stop burning fat, which is what you have been working so hard to achieve.

The key ingredient in Purefit Keto is Beta-hydroxybutyrate (BHB). These keto diet pills contain 800mg of BHB.  Purefit describes BHB as a “powerful fat burning ketone”. There are many keto supplements that contain BHB, but Purefit claims its product’s BHB has been modified to produce an “instant fat burning solution the natural way”.

As an exogenous ketone supplement, BHB provides ketones directly to the body without requiring ketogenesis. Supplements like these are considered to be a safe and effective way to increase ketone body concentrations – even when you are not in ketosis. They are also said to help you to achieve a state of ketosis faster than by diet alone. And, if you do slip up or cheat, and find yourself out of ketosis, BHB supplements are said to get you back into ketosis almost immediately.


Most keto supplements are designed to help you maintain the high level of ketones required for weight loss, even if you are not always in ketosis. The question is, how does Purefit Keto measure up against other keto diet pills?

Purefit Keto claims that it is helping people to lose up to 1lb of fat per day. In fact, Purefit markets its keto supplement as “the 30-day ketosis supplement” – an indication that it is expected to help you lose weight really quickly.

In addition to weight loss, it is also said to be particularly effective at burning abdominal fat, and supporting better digestion and sleep. And if you are a sportsman or woman, it is said to help you recover faster after exercise, and maintain lean muscle.

Also, it is said to be a safe and effective way to achieve ketosis without the negative side effects of a typical ketogenic diet.

Big claims. What is the reality?

If you take two Purefit Keto capsules daily for a total of 1600mg of BHB, will this be sufficient to achieve the results you are hoping for – particularly when one considers that there are other keto diet pills available that deliver considerably higher doses of BHB? Nevertheless, with keto supplements’ reputation for tasting vile, having to swallow two tasteless capsules is a decided advantage over this type of keto supplement. Again, though, we question whether these are the best keto diet pills on the market.


The first thing to remember is that being in a state of ketosis itself has some fairly unpleasant side effects. These include losing body salts, such as potassium and magnesium, which can result in headaches and general wooziness. This is relatively easy to combat by drinking a lot of water, or consuming vegetable or bone broths.

Possibly one of the most serious side effects is what’s called Keto Flu (or brain fog). People complain about feeling generally unwell, nauseous, dizzy, and really tired yet unable to sleep. Some people also complain about food cravings and having a racing heart. These symptoms may last for up to four weeks – and it takes extreme determination and perseverance to get through all this.

Apart from these side effects, we were unable to find any reason why Purefit Keto should have any additional adverse effects – but the lack of information about any other ingredients in the capsules means we are unable to assess the product fully.

Our major concern is that this product’s major side effect may be that it has no effect at all – it simply may not work as claimed.


You can purchase Purefit Keto directly from Purefit. There are many specials listed on the website such as purchasing three bottles and getting two free; or purchasing two and getting one free. You can also simply purchase one bottle for a reduced price.

However, be aware that the prices advertised on the website include $50, $30 and $10 rebates. You will only get the instructions on how to claim this after you have purchased and received your product. You then have 45 days to claim your rebate – you have to mail it in. So you effectively will be charged a different price to the one advertised, and only then can you claim the discount.


Purefit Keto sounds amazing. Pop two capsules every day, and you will enter – and remain in a state of ketosis, even if, as Purefit says on its website, you “spring for dessert or splurge at the buffet at your next family gathering.” Of course, Purefit does state that you should eat keto-friendly meals and snacks throughout the day. So you can’t expect to keep eating your carb-loaded diet and lose weight.

However, despite its rather grandiose claims that this product is a “revolutionary breakthrough”, and that it is delivering “unsurmountable success” with people losing up to 1lb fat per day, we were unable to find any evidence to support this. The pills contain only 800mg of BHB ketone salts – far less than competitive products that contain as much as 2000mg. In addition, there is no indication of which type of BHB ketone salts go into the 800mg. There are four types – potassium magnesium, sodium and calcium – and any keto diet pills you take should contain all four. Purefit Keto could contain only one – or all four: we have no way of knowing.

“The Proof” tag on the website simply takes you to some anecdotal claims of success from “happy” users; and a wall of before and after photographs of anonymous individuals. And while Purefit claims that this product has “the media in a frenzy” and “scientists, doctors and celebrities buzzing” – there is nothing to back these assertions either. In fact, we have some difficulty believing anything Purefit has to say, especially after they were called out by the Better Business Bureau (BBB)  for claiming that Purefit Keto was supported by Shark Tank judges and was featured on ABC’s Shark Tank program. According to the BBB, it has been unable to locate any episode of Shark Tank that featured Purefit Keto. In addition, BBB is concerned about many other unsubstantiated claimed on Purefit’s website.

We noted that references to the Shark Tank no longer appear on the Purefit website, but you could still come across articles that make this claim if you search for information about the product on the website.

We therefore recommend you check out our top product for what we believe to be the most effective formula of any keto product that our team has analyzed.

Honest reviews from honest folks at Review Critic.

Samantha graduated with a Pharm. D. from Frederic University School of Pharmacy and has worked as a licensed pharmacist for over 25 years. She is well known in her community as an accessible, knowledgeable and trustworthy medical resource. She continually raises awareness for issues that are important to her community such as the dangers of drug use during pregnancy. Additionally, she offers free training classes for everything from insulin pumps to defibrillators. Samantha has also been published numerous times in scholarly and professional journals and would like to expand that number now that her children are grown and have left the house. Samantha starts every day with a Buddhist meditation and has plans to attend a retreat in South Africa this coming year.

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