Flmodafinil Review- Side Effects and Safety | What You MUST Know

Flmodafinil Review- Side Effects and Safety | What You MUST Know

Modafinil is one of the most popular nootropics currently on the market. This is because of the fact that Modafinil is effective and powerful. Unfortunately, this drug has plenty of downsides that make it undesirable. If you happen to be a fan of Modafinil but you’re looking for a better alternative, Flmodafinil might be just what you need. 

Flmodafinil is a relatively new drug that works in a similar way to Modafinil. It is an analog of Modafinil that is currently used as a research drug. This nootropic still needs to be researched however some studies indicate that Flmodafiml is even more potent and effective than Modafinil.

So what are the pros and cons of this drug? And how can you use this drug in your daily life? We’re going to answer all your questions about Flmodafinil in this article. First, let’s start with a brief introduction to this nootropic.

What Is Flmodafinil (CRL-40,940)?

To put it simply Flmodafinil is an analog of Modafinil. This drug is able to Flmodafinil is also known by the name Bisfluoromodafinil and CRL-40,940. It was created to be more potent than Modafinil and the sponsors of this drug also claim that it has fewer side effects than Modafinil. 

Nootropics are generally described as substances that are able to change your mind. Most nootropics do this by altering the release of certain neurotransmitters in the brain. Flmodafinil works the same way. 

It is a weak dopamine reuptake inhibitor which means that it prevents the uptake of dopamine. This can increase the amount of dopamine present in the brain. More dopamine increases the activity level of your brain which gives you more energy to work. There is also evidence that shows that Flmodafinil can alter the levels of serotonin in the brain however more research needs to be done to confirm this mechanism. 

So what makes Flmodafinil so special? 

One study conducted on this drug showed that Flmodafinil had a half-life that was longer than Modafinil[1]. This means that Flmodafinil is able to last longer in the body and provide the same effects as Modafinil over a longer period of time. 

However, Flmodafinil isn’t the only nootropic alternative to Modafinil. There are a variety of different Modafinil analogs on the market like Adrafinil, Hydrafinil, and Armodafinil that all behave in a similar way to Modafinil[2]. All of these drugs were created to serve as a better alternative to Modafinil

So how can you decide if Flmodafinil is the best alternative for you? 

In order to do that you’ll need to figure out what you need Flmodafinil for. We’ve given you a short rundown on what the best uses of this drug are.

What Is The Use Of Flmodafinil?

Flmodafinil is a bis fluoro analog of Modafinil and thus it is able to boost cognition and increase focus. This drug has a huge effect on the central nervous system and is able to effectively increase focus in the brain by altering the amount of dopamine present in the brain

It has something to offer for everyone who’s looking for a boost of motivation, increased alertness, and relaxation. Flmodafinil can be used by a variety of professionals and individuals that need to work for long hours without losing focus. Currently, it is also being researched for its uses as a therapeutic agent for narcolepsy[3].

Many people who have used Fllmodafinil claim that it works more effectively than other nootropics like Modafinil. This drug is also able to last for longer which will allow you to complete all-nighters without any trouble.

If you’re a professional that needs to work for long hours without losing focus then Flmodafinil might be what you need. 

Benefits of Flmodafinil

There are a ton of benefits that Flmodafinil offers. This drug behaves in a similar way to Modafinil and therefore a lot of the benefits of this drug overlap with Modafinil. We’ve summarised some of the most important benefits below. 

Heightened Cognitive Abilities

The structure of Flmodafinil allows it to increase the amount of dopamine in the brain. This boosts cognitive abilities and gives you the ability to work faster. It also helps people to be more focused and work for long hours without getting distracted. 

Boost in Brain Energy

When you start to feel exhausted it makes it impossible to complete any work and that’s where Flmodafinil can help. This drug is excellent for giving your body an energy boost and keeping you alert. A cup of coffee in the morning can only do so much and having a bit of extra energy can be a great benefit.

Increased Mental Alertness

Ever have those moments when you start to wander and end up wasting a ton of time? Flmodafinil might be able to help you solve that issue. The increased amount of dopamine increases your ability to work on one subject for long periods of time. It helps to increase your concentration.

Promotes a Focused and Relaxed State of Mind

Our mental health can have a huge impact on how we are able to work. Being in a positive mood can help you work faster and longer. Because of the fact that Flmodafinil is able to help your mind stay focused and calm, it creates a positive mood. This helps you to work longer and will also improve your ability to think 

Gives Increased Memory Retention

This nootropic drug is able to boost concentration and increase focus which in turn, helps memory retention. Flmodafinil helps your focus and clears your mind. This in turn can also improve your ability to recognize and remember things better. This is ideal for increasing productivity.

Flmodafinil Side Effects and Safety

In order to figure out whether or not this drug is the right one for you, you will have to take a look at the side effects of Flmodafinil. Although there are many claims that Flmodafinil has fewer side effects than Modafinil, currently there is not enough research to support these claims. Additionally, a lot of studies are still ongoing about the adverse side effects of this drug. 

However, we were able to put together a short list of side effects from looking through the experiences of Flmodafinil users. 


Flmodafinil is a drug that helps to increase energy levels and boost motivation. Therefore if you take this nootropic in the evening or before going to bed then you’re likely not going to be able to sleep for some time. To reduce the chances of this happening try to plan exactly when you’re going to take Flmodafinil so it doesn’t clash with your sleeping time. This will allow you to avoid one of the most common side effects of this drug, insomnia. 


Some individuals that are prone to getting headaches might face this side effect with a few nootropics. To figure out if you’re one of those people, try taking a small dose and check how you feel after a couple of hours.


This drug can increase your energy levels and boost alertness. However, this can also make some symptoms of anxiety worse. It can increase jitteriness and adversely affect the mental health of an individual who suffers from these issues. We recommend trying a small dose to check if this drug is right for you. 

Gastrointestinal Issues

There have been a few reports of stomach upsets after using nootropics like Modafinil and Flmodafinil. Although this is quite rare, you might want to keep this side effect in mind before purchasing the product. 

Drug Interactions

If you take other medications then it is important to contact your medical professional before taking Flmodafinil. Currently, we are not aware of how Flmodafinil might react with some other medications. Generally, this drug interacts with other drugs in a similar way to Modafinil. 

Flmodafinil can also be stacked with other nootropics. However, because of the fact that this drug is quite potent, it is advisable to take it with caution.

Other Safety Concerns

The primary downside of this drug is that there is a severe lack of research for it. 

It is currently being tested for its viability as a prescription medication for illnesses like narcolepsy[4]. However, there is not enough research to back up the claims made by the supporters of this product.

Another issue with Flmodafinil is the fact that it can be difficult to get a reliable supplier. Flmodafinil is not FDA-approved and it is therefore difficult to acquire. This can make it tough for many people to acquire this drug from a trusted supplier. This drug is also quite potent and should not be consumed on a regular basis. 

Flmodafinil also has a few side effects but the majority of the people who take this nootropic will not experience these adverse effects. However, when it comes to nootropics it is best to take as many precautions as necessary. We recommend starting with a small dose to see how your body reacts to the drug. If you tend to have an adverse reaction to new medication then it’s a good idea to contact a medicinal professional.  

Flmodafinil Dosage Side Effects

Unfortunately because of the fact that there are no official clinical trials, it can be quite difficult to figure out which dosage is the right one. Additionally, everyone’s body is different and you will need to figure out which dose is the best for you. To get an idea of what dosage is best for this product, we looked through some of the top reviews of this product on Reddit. 


This dosage is small but effective. Taking around 12.5 to 25 mg per day is enough to give you a bit of energy without being overwhelming. This can help you to get through a tough task when you’re at work. People have also reported that they have dosed on this amount for more than 2 to 3 days a week without major adverse side effects. 


50 to 100 mg of Flmodafinil is equivalent to around 200 mg of Modafinil. This dose is more than enough to keep you going for around 12 hours or more. Studies suggest that Flmodafinil might last longer than Modafinil so it’s important to keep this in mind when you’re taking it. Do remember that this amount should not be taken regularly. 

150mg or more

This amount is equivalent to around 300 mg of Modafinil and is generally not recommended. Most people tend to use this amount when they need to pull an all-nighter. However, this is very likely to cause insomnia. Therefore we recommend sticking to the 50 to 100 mg dosage. 


Microdosing has been shown to be effective in Flmodafinil. Generally, individuals who microdose, and used around 15 to 25 mg of the substance experienced a heightened sense of cognition and energy. This is also the perfect amount to dose if you want to stack nootropics. 

How Does It Work in the Brain?

Like Modafinil, Flmodafinil is a CNS stimulant that works by increasing the activity in the nervous system. It acts as a weak reuptake inhibitor of dopamine. This means that when Flmodafinil goes to your brain, it inhibits the dopamine receptors that take up dopamine. More dopamine increases the activity level of your brain which gives you more energy to work. 

This helps to boost your cognitive abilities, heightens alertness, and allows you to focus on work better. By regulating neurotransmitters in your brain, Flmodafinil is able to improve your mental clarity. This helps you to work faster and more efficiently.  

Flmodafinil Reviews & Experiences Shared On Reddit

If you want to look up reviews for a new product, then Reddit is the best place to do so. This platform has a ton of reviews from people that have plenty of experience with nootropics. It can be a great resource especially for people who are unfamiliar with nootropics.

Most of the reviews are positive, however, some people dislike this product. Generally, most users believe that Flmodafinil is as good or even better than Modafinil. They find that it helps them to work faster and is great for use in small doses. 

On the other hand, many of the reviewers expressed their concern about the lack of research available for Flmodafinil.  They felt like this made it difficult for them to assess the safety of the drug.

To summarize, the majority of the reviews are positive while some of them believe that other nootropics are more effective. The reviews also show that the side effects of this product are quite minimal but some people did experience side effects like insomnia, headaches and so on.

Flmodafinil vs. Modafinil

So how does Flmodafinil match up against Modafinil?

The way that both of these drugs work is quite similar. Both Flmodafinil and Modafinil is able to give you around 12+ hours of high-energy work. This is ideal for pulling all-nighters or finishing last-minute projects. However, Modafinil cannot be used regularly and it can cause insomnia as the effects last for quite a while. 

Although Flmodafinil also has these side effects, there is some evidence to show that the side effects caused by Flmodafinil are less harsh than those caused by Modafinil. Flmodafinil also works in smaller quantities which can make it easier to consume. 

The primary downside of Flmodafinil is that it is not FDA-approved. This drug is currently only available for research purposes which can make it difficult to find. However, if you are looking for a strong nootropic then Flmodafinil might be for you.

Where to Buy Flmodafinil Online | 2021 Guide

Flmodafinil is not an FDA-approved drug which can make it difficult to acquire. However, there are numerous stores online that sell the drug. We recommend that you only purchase this drug from trusted sources that are verified. Before you purchase this drug from an online side try to look up online reviews to get an idea of how the site works. 

Flmodafinil | Verdict

So is this product worth your time and money? 

Currently, this product needs to be researched more thoroughly. However, many users have had good experiences with Flmodafinil. This drug is potent and boosts your cognitive abilities. It helps you to work faster and more efficiently. There are tons of positive reviews online so it’s clear that Flmodafinil works. However, it is currently not as reliable as other nootropic options. 

Flmodafinil is more expensive than Modafinil so this option might not be ideal for many people. But this drug is a good choice for people who are looking for a stronger alternative to Modafinil. Ensure that you take care to measure the doses carefully to stay as safe as possible.

In short, if you want to try out a drug that is more potent than Modafinil then Flmodafinil might be the one for you. Just keep in mind that this drug must be used with caution. 


  1. Dowling, G., Kavanagh, P. V., Talbot, B., O’Brien, J., Hessman, G., McLaughlin, G., Twamley, B., & Brandt, S. D. (2017). Outsmarted by nootropics? An investigation into the thermal degradation of modafinil, modafinic acid, adrafinil, CRL-40,940 and CRL-40,941 in the GC injector: formation of 1,1,2,2-tetraphenylethane and its tetra fluoro analog. Drug testing and analysis, 9(3), 518–528.
  2. Pigeau, R., Naitoh, P., Buguet, A., McCann, C., Baranski, J., Taylor, M., Thompson, M., & MacK, I., I (1995). Modafinil, d-amphetamine and placebo during 64 hours of sustained mental work. I. Effects on mood, fatigue, cognitive performance and body temperature. Journal of sleep research, 4(4), 212–228.
  3. Cao, J., Prisinzano, T. E., Okunola, O. M., Kopajtic, T., Shook, M., Katz, J. L., & Newman, A. H. (2010). Structure-Activity Relationships at the Monoamine Transporters for a Novel Series of Modafinil (2-[(diphenylmethyl)sulfinyl]acetamide) Analogues. ACS medicinal chemistry letters, 2(1), 48–52.
  4. Konofal E, inventor; Nls Pharma AG, Nls-1 Pharma AG, Assistance Publique Hopitaux de Paris APHP, assignee. Lauflumide and the enantiomers thereof, method for preparing same and therapeutic uses thereof. No. US20130295196A1. November 07, 2013.
Erica Bail

Having specialized as a Neurologist for 8+ years treating patients with diseases like Parkinson's disease, Sclerosis, Dementia and Brain Injury. Dr Erica has the passion and experience to detect, diagnose and manage any type of brain disorder.

Leave a Reply

Your email address will not be published.