If you’ve ever been on a diet, then you know that losing weight requires hard work and dedication. You have to do the same thing when it comes to fat burners.

What’s different about these supplements is that they’re not designed to help you lose weight but rather help your body break down stored fats into usable energy. That means you can eat whatever foods you want without worrying about gaining weight afterwards. However, while most people believe that best fat burner are an effective way to lose excess pounds and improve heart health, there’s some controversy surrounding their effectiveness.

Do fat burners really work?

The short answer is yes. While many people use fat burners as a way to reduce body fat, studies show that they actually increase metabolism overall. This means that while you may be burning calories more efficiently, you also tend to burn through them faster.

There are several reasons why this happens, but one of the big ones is that fat burners often contain substances which stimulate your body to produce extra enzymes. These enzymes then cause your cells to break down fats in your body so they can be used for energy instead of being stored as extra fat.

Unfortunately, this doesn’t mean that you’ll get bigger muscles. In fact, it’s likely that you’ll end up with smaller muscle groups because your body will be using the energy from the fat burners to grow new muscle tissue.

In order to avoid this side effect, most companies offer fat burners in pill form or liquid form. The pills and liquids are usually taken before or after a workout in order to maximize the effects.

While these supplements can make it easier to lose weight quickly, they don’t seem to boost metabolism very much at all. So if you still feel hungry while taking a fat burner, you should probably just stick to regular exercise.

Another issue with fat burners is that some of them contain stimulants such as caffeine or ephedra, both of which can affect your ability to sleep well while taking them. If you find yourself waking up frequently during the night, you might want to take a look at another supplement instead.

How long does a fat burner last?

Most people assume that fat burners only work temporarily, meaning that they won’t be able to keep up the calorie-burning process once the stimulant wears off. But this isn’t true at all. In fact, many studies have shown that fat burners actually maintain their effects for weeks at a time. It’s even possible that some of them could last for months!

This is mostly due to the fact that some fat burners include ingredients which actually help your body retain water.

For example, while many people think that caffeine is only good for short-term energy boosts, researchers have found that it actually helps your body hold onto fluid more effectively than it normally would. This means that you can continue to burn calories even after you stop taking the supplement.

Of course, the amount of time that you’ll see results depends on how much you were using before. Most people say that taking fat burners every day is best because that way you’ll reap the benefits for longer periods of time.

Are there any side effects to fat burners?

As I mentioned above, some fat burners contain stimulants like caffeine or ephedra, both of which can affect your sleep cycle. If you’re already experiencing trouble sleeping, it might be best to skip the fat burner and try something else instead.

Another common problem is dehydration. Since fat burners encourage you to drink more water throughout the day, you might not realize that you’re starting to get dehydrated until it’s too late. To protect yourself against this, it’s always important to pay attention to what you’re drinking.

You need to be careful not to consume anything which contains salt or sugar, since those things can contribute to dehydration. Also, if you have a medical condition which causes low blood pressure, it’s best to talk to a doctor before taking fat burners. Many of them contain diuretics which can lower your blood pressure drastically.

Finally, remember that while fat burners can help you lose weight, they aren’t intended to replace healthy eating and exercise.

If you want to lose weight, you should be doing both of those things simultaneously. Not doing either of them can lead to serious health problems in the future.

If you’re looking for a safe, affordable, and effective fat burner, check out our list of top picks. And if you want to learn more about other natural ways to lose weight, read our article detailing the 5 Best Ways to Lose Weight Without Dieting.


Stella Russell is a writer and editor. She holds a BA in Art History from Wellesley College and is certified as a personal trainer through the European Registry of Exercise Professionals .