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Slendertone Reviews – Best Ab Belt 2021

Are you considering purchasing a Slendertone ab belt to help you improve your abdominal muscles and tone of your stomach, but can’t decide which one is best for you? There’s no need to spend hours researching the pros and cons of the different versions, as we’ve done all the hard work for you.

Check out our Slendertone Reviews 2020 for a fast and comprehensive guide to help you find the abdominal muscle stimulator that will bring you the most benefit with an easy to use the controller and the widest array of preprogrammed workouts in a single unit.

Slendertone Ab Belt Key Features

The family of Slendetone Abs devices are built to support the development of a strong abdominal area and help to slim your tummy, It is not meant to be a weight-loss device or to help you lose inches. It will not eliminate pockets of fat. It stimulates your muscles, helping them to become stronger, more flexible, and more defined over time.

Does Slendertone really work?

The company says that after using the device for 6 to 8 weeks, most users see a visible change in the definition of their abdominal pack and have a stronger more flexible core better able to support their body through daily activities. The designers ensured that it grows with its user, with most units coming with 7 preprogrammed workouts and a controller that can raise and lower the intensity of the electrical impulses with a range of 99-150 settings. There are some clinical studies that show that EMS devices, like the ones by this company, can help strenghten the muscles in your stomach. For example, this study, in The Journal of Sports Science Medicine, found that users had a 58% increase in abdominal strength vs a control group that did not use the device – and the users saw their waist decrease in size by 3.5 cm, vs. nothing in the control group. So there is some evidence that these devices can work.

The Food and Drug Administration has cleared the units as both safe and effective and independent studies have shown that most users receive definable benefits after utilizing the unit for the full 6 to 8 weeks. On the FDA’s website, they say, “At this time, Slendertone Flex marketed by BMR NeuroTech, Inc., has been cleared by FDA for toning, strengthening and firming abdominal muscles.” That’s pretty impressive, and should help you choose a device from this company vs. one of the cheaper competitors.

That being said, if you want to maximize your chances of success with the device, you should also improve your diet and do other forms of exercise, from walking to biking, etc. It’s not going to be a miracle cure for a big tummy; it’s more like another arrow in your quiver – and an easy one to do. It is truly meant for your busy lifestyle, as you don’t have to spend 30 minutes focused on working your abs. Once you put it on and choose the program, you are free to go for a walk, do your shopping, or cuddle up on the couch.

Top 5 Slendertone ab belt

  1. Slendertone CoreFit – Slendertone Abs 8 The latest collection
  2. Slendertone Connect Abs – Abs Toning Belt
  3. Slendertone Abs5 Abdominal Muscle Toner
  4. Slendertone Abs7 Abdominal Muscle Toner – Core Abs Workout Belt
  5. Slendertone Abs3 Abdominal Muscle Toner – Core Abs Workout Belt

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Slendertone Belt Pros and Cons

If you’re considering a muscle stimulator to add to your workout routine to get flatter abs and a slimmer tummy, you’ll need to know what the benefits and negatives are associated with it. We’ve collected some fast stats for you to consider.


  • Conveniently flexes your abdominal muscles while you are watching TV, working at your desk, or running chores.
  • Hands-free unit. Set the program for 30 minutes and let it do its things
  • In 6-weeks it does build stronger muscles and better define your stomach
  • Rechargeable and adjustable, it works with your fitness level
  • Adjusts to any belly size up to 46 inches
  • Cleared by the FDA and proven effective by independent clinical trials


  • Does not help you lose weight or reduce inches around beltline
  • Limited improvement visible for serious bodybuilders
  • Gel contact pads wear out over time–no replacement parts available
  • Can pay a lot for a one-trick pony

Design and Features

The Slendertone Abs belts is a simple wide belt that wraps around your belly and secures with a velcro contact patch. The three gel pads are positioned over your key abdominal muscles. When you turn it on, electrical pulses are sent through the gel pads, causing your muscles to contract and relax according to the program.

Each Slendertone comes with a variety of onboard preprogrammed workouts that last approximately 30 minutes and can be tailored in intensity to your fitness level. The Connect works with your smartphone, allowing even more customizable features and access to an online support community with personal trainers available.

The different versions either run on three AAA batteries or are rechargeable, making them affordable and convenient to operate for a long period of time. Fairly compact, the belt is perfect for taking with you when you travel as it’ll fold up and tuck away into your luggage.

Its sleek design also fits under sweaters or loose T-shirts, if you wish to use it while out on the town. The Abs3 and Abs5 have onboard control panels, while the Abs7 offers a handheld remote control, enabling you to adjust the workout during its execution.

Top 5 Slendertone Belt Reviews 2020

1. Slendertone Abs3 Reviews

Slendertone Abs3 ReviewsThe Slendertone Abs3 is the electronic muscle stimulator designed for the beginner looking to find a flatter and more toned stomach.

The smallest unit with the least number of options, this one is battery operated and runs on three AAA batteries and works by sending pulses to your stomach muscles, encouraging them to contract and relax repeatedly over a thirty-minute workout. The Abs3 comes loaded with 7 pre-programmed workouts designed for beginners up to advanced athletes.

It is designed to fit waists from 24″ to 46″ and closes with a velcro patch on the pack. The intensity of the workout can be adjusted with 99 settings, allowing you to build up your muscles over its 8-week program.

The Slendertone tightens the appearance of your abdominal muscles, helping with appearance, posture, back issues, and ability to remain standing for longer periods as your level of fitness increases. Slendertone Abs3 users have found that some of the units stop working after a couple of weeks, but a replacement unit can be obtained after contacting their customer service center in your country.

The Abs3 programs are selected by its onboard control panel. You will want to choose which program you wish to use before you strap it on, as reading the display is nearly impossible while it is attached to your belly. Later designs improved accessibility by adding remotes or using your cell phone.

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2. Slendertone Connect Abs Reviews

Slendertone Connect Abs ReviewsIf you’re looking to workout with an online community, the Slendertone Connect Abs offers the ability to connect to your Apple or Android O/S smartphone to act as your controller.

Instead of coming with a preprogrammed set of intensity levels, the app allows you complete control over the duration of the workout, the intensity level, and you get to share your results over social media platforms, providing mutual support for others.

This belt is slightly smaller than the Abs3, only fitting individuals with a waist up to 42 inches. It is rechargeable, allowing you to slip on the belt while watching TV or working at your desk. You can also access personal coaches to help you further personalize your goals and share in your achievements.

Programs are offered focused on your six-pack, helping mothers during their post-natal recovery, and for simple toning when sit-ups have not worked for your before. All the Slendertone units have been cleared by the FDA as safe and effective to use for their intended purpose. This unit costs nearly three times as much as the Abs3, but you get the online community and customizable programming.

The real benefit to the Connect is that you can adjust the intensity of the workout on the fly, as your phone is readily available and displays all the settings situated on the belt itself in the Abs3 and Abs5 versions. However, some users report difficulty with their Android phones. You’ll need to make sure your O/S is compatible with the Connect app.

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3. Slendertone Abs7 Reviews

Slendertone Abs7 ReviewsThe Slendertone Abs7 offers all the flexibility of the Connect version without the functionality of the smartphone connection. The onboard control panel from the Abs3 and Abs5 is replaced by a handheld remote that is connected to the belt with a wire.

This allows you to switch up the workout program while you are using the belt, helping you raise your game immediately instead of waiting for the next day when you start the next session. It’s also a larger unit, able to fit users with a waist size of 27 inches to 47 inches, allowing more people to take advantage of the benefits of the product.

Instead of seven programs, it has ten preloaded and the intensity controller offers 150 settings compared to the 99 that come on the Abs3 and Abs5.

It arrives with a two-year limited warranty, and as the gel pads will wear out over time, two years is a reasonable expectation for the functional lifetime of the unit. The Abs7 costs in the middle between the Abs3 and the Connect. With its larger size, more programs, and handheld remote it may be the most versatile model that gives back the biggest bang for your buck.

One way to extend the useful life span of the belt is to use electrode gel, that will help to keep your gel pads soft and conductive while delivering as much of an electrical impulse to your muscles for stronger, more effective contractions.

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4. Slendertone Abs5 Reviews

Slendertone Abs5 ReviewsThe Slendertone Abs5 is the follow up to the Abs3 and features 10 preprogrammed workouts with 130 intensity settings. It still has the onboard control pad, so you need to select your settings before strapping it on.

It runs on three AAA batteries, which can be more convenient than the rechargeable, as when traveling you can just change out the batteries and carry on. You don’t have to find a place to plug in. It wraps around your middle and secures with a velcro closure, allowing different shapes and sizes to make use of the product.

The gel pads are included in the package, but you should expect them to dry out over time. Don’t hesitate to use electrode gel to extend their lifespan. It is water based and will wash and wipe off without leaving an unpleasant smell or residue on your skin. A little more expensive than the Abs3, you may not find the extra cost worthwhile when the Abs7 offers greater convenience and even more programming.

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5. Slendertone Arms Reviews

Slendertone Arms ReviewsWhy should your belly be the only body part benefiting from this technology? The Slendertone Arms7 has two units designed to fit your upper arms to support the development of your biceps and triceps. Like the Abs belts, strap it on, select your program and intensity setting and let the unit do its magic for the next 30 minutes.

Its meant as a tool to support better muscle growth, not as an eliminator of fat or for weight loss. However, if you lost muscle due to an injury or chronic condition, the Arms7 can help you rebuild and for bodybuilders, it’s yet another tool in the box for maintaining while you’re away from the gym. It has the same remote control as the Abs7, so you can adjust in the middle of a workout without taking it off and putting it back on.

The system is not modular, so you can’t take the remote from the Abs and use it on the Arms7. Some smaller individuals say the arm units are too big to fit snugly on their arms, but those who work out on a regular basis say it has a great fit. Other users add the Arms7 to their leg workouts when they attach the belts to their thighs and calves, making it a more versatile investment.

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Which is the Best Slendertone Ab Belt ?

When you’re looking for a Slendertone to provide the widest range of workout options with convenient controls and compact design, the Slendertone Abs7 comes with 10 programs and 150 settings. Its remote control allows you to adjust while working out and its larger size provides its benefits for bigger individuals.

While the Connect seems to provide even more options, the added cost of needing a smartphone and finding a compatible operating system can make it seem like a big waste of effort. The Abs7 offers no technical difficulties and all the results that you are looking for.

We hope you have enjoyed reading our Slendertone Reviews and that they have helped you find the right unit for your abdominal workouts and general health. If you have experience with these products, don’t hesitate to share your experiences in the comments or on your social media pages.

flex belt vs slendertone

Frequently Asked Questions

Does Slendertone help lose belly fat?

Interested in trying out Slendertone and wondering if it’s really worth all of the hype? You’re not alone! Boasting rave reviews online and the seal of approval of influencers, Slendertone is a type of weight loss system that works by utilizing Electrical Muscle Stimulation (you may have seen it being referred to as EMS) which works to help deeply stimulate all of the core muscles, including the deepest ones. 

Wondering how it does that, though? Well, according to Slendertone, the reason it’s so effective is that it essentially works to replicate the exact same type of muscle contractions that we make ourselves naturally, and the Slendertone belt does this by sending out impulse via the gel pads.

Once the gel pads located on the Slendertone belt begin to emit these strong pulses, they are able to then penetrate through the fat and target the 4 ab muscles, which then causes them to tighten up (just like the way they would if you were doing an ab workout) and then gradually become more tightened and toned in just a few weeks.

So, knowing that the Slendertone belt is able to tone and firm muscles – does this then necessarily mean that the belt can also help to reduce belly fat? This is a very good question to ask, and one that seems to have caused quite the debate amongst fitness experts and customers alike.

While there are some people who have found the Slendertone to significantly reduce their belly fat, some have found the results to be very minimal.

For this reason, the general consensus is that even though Slendertone does have the potential to help shrink belly fat, as it is designed to target ab muscles rather than fat, results can often vary from individual to individual. 

You should also keep in mind that the only way that fat can be burned is through aerobic exercise, and the Slendertone belt does not activate the aerobic system, which is why many people only experience an increased firmness in their abs, as well as a smaller waistline with regular use.

As a side note, it’s also important to keep in mind that a variety of factors will also likely impact your own personal experience with using Slendertone. As an example, if you’re already quite an active person that exercises a few times a week, then you’ll likely notice that you’ll lose belly fat when using Slendertone because you’ll be using it alongside other fitness activities.

On the flip side, if you don’t consider yourself to be an overly active person, then you may find that the results aren’t as noticeable. For this reason, Slendertone recommends that you incorporate exercise into your daily routine to help bolster your results, and this could be something as simple as going for a walk each morning with a friend.

How many times can I use Slendertone in a day?

According to Slendertone’s official website, you should aim to use your Slendertone once a day for 30 minutes, 5 days a week with two rest days. Some people like to increase this to 6 or 7 days a week (which is totally fine – you’ll be the best judge of how many rest days you think you will need) however, it is not recommended that you use your Slendertone more than once a day, as you’ll need to give your muscles time to recover from any damaged fiber caused from the contractions in-between sessions. 

Will Slendertone tone my stomach?

Yes! When used correctly, Slendertone has been proven to be able to tone up the stomach muscles with incredible results. Even though the abs are by far one of the most difficult muscle groups of the body to tone up, the Slendertone System will be able to give your abs an intense workout with minimal effort on your end, and this is all thanks to innovative EMS (Electrical Muscle Stimulation) technology.

With regular, daily use of your Slendertone belt for a period of anywhere between 20-30 minutes, you will begin to notice that your belly area becomes increasingly more toned and firm, with many users even reporting a waistline reduction of up to 3.5cm in just 8 weeks. Plus, alongside using your Slendertone belt, you can also opt to incorporate regular aerobic exercises into your weekly training routine, as this will help to dramatically improve the results that you achieve.

How many sit-ups is Slendertone equivalent to?

The answer to this question will depend on what type of Slendertone belt you have purchased for use.

However, to give you a general idea, if you were to use the Slendertone Premium Abs Belt, you can expect to have done the equivalent of 120 sit-ups in just a 20-minute session! Thanks to this, it’s certainly easy to see the benefits of incorporating a Slendertone belt into your training routine, especially if you lead a busy lifestyle and perhaps don’t have enough time in the day to be able to consistently fit in an ab workout. 

In addition to this, if you wanted to give yourself (and your abs) an even more intensive workout, then you could also opt to do some cardio exercise alongside using your Slendertone belts, such as running or cycling. 

Does using a Slendertone belt burn calories?

If you’re considering purchasing a Slendertone belt, then it’s very important to keep in mind that the Slendertone Ab System has not been necessarily designed for weight loss purposes.

Instead, the Slendertone belt is specifically designed to help firm and tone ab muscles, and it does this via something called Electrical Muscle Stimulation. Otherwise referred to as EMS, this process is something that will be able to help firm and tone muscles by penetrating the skin and causing the ab muscles to contract (in the exact same way they would during a core workout), and this is the main appeal of Slendertone. 

As Slendertone has stated in the past, all of their products are specifically designed to help tone and improve the appearance of ab muscles, which means that the Slendertone belt will be unable to activate the aerobic system, which is necessary for fat loss and the burning of calories.

For this reason, if you do want to burn calories while using the Slendertone belt, you will need to incorporate cardio (or another form of aerobic exercise) alongside wearing the belt in order to burn calories and potentially lose weight. 

Can you exercise while wearing Slendertone?

If you’re looking to get the best results in the shortest amount of time, then it is possible to exercise while you are wearing your Slendertone belt.

According to Slendertone, it is recommended that you should only consider doing light to moderate exercise while wearing the Slendertone, although there are people that prefer to do a more intense workout while they are wearing their Slendertone belt – it all depends on individual fitness levels and what you are looking to achieve. 

However, please keep in mind that exercising while wearing your Slendertone belt will give your abs a more intense workout, and this may not be suitable for all. 

What level should I have my Slendertone on?

If you’re just starting out using Slendertone, then Slendertone recommends that you start off on a very low intensity of 15, as this will not only ease you into using the belt (many new reporters state that it can feel quite funny and strange at first).

Then, after a few sessions, you can then proceed to begin increasing the intensity level, in order to give your abs a more grueling session for the best results. Needless to say, you’ll be in complete control of the intensity level of your Slendertone belt at all times, so you can increase and decrease the intensity levels as soon and as often as you like. 

As a side note, if you have any pre-existing medical conditions that you feel may be negatively impacted by Slendertone, then we recommend asking your doctor or another healthcare professional for some advice on how strong the intensity of your Slendertone belt should be during each session. 

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