Chemical Structure of Modafinil

Benzhydrylsulphinylacetamide, Provigil, Modafinil, Armodafinil, Modalert, 

Half life: 16 Hours

Chemical Structure Modafinil

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What is Modafinil?


Oral Modafinil: Side Effects, Dosage and LegalityAlso known under the brand names Provigil, Armodafinil, Waklert, Modavigil, Modalert and more, these drugs all consist of different ratios of the enantiomer. It’s a class of barbiturates which blew up after the film ‘Limitless’. Using a smart drug called NZT-48 the user manages to workout constantly at a breakneck pace, learn, remember and act with superhuman effectiveness. 

Being a stimulant, Modafinil does help you to do some of these things, though the boost is more subtle than stronger drugs such as adderall or ritalin (amphetamines). It allows you to continue working through hunger, sleepiness and boredom by giving you a constant sense of wakefulness. As a consequence, you are able to maintain a steadier stream of focused consciousness.

Joe Rogan has admitted to taking it on days where he feels a little less energetic than usual, although we don’t recommend combining Weed and Modafinil as this has anecdotally been reported to lead to tough to break out of, negative thinking streaks. As for DMT? Your call, buddy.

How do modafinil and adderall differ you ask? It’s the sense of ‘urgency’ and drive you have to complete tasks, the amphetamines create more urgency and reward the user with more dopamine, they are generally more euphoric at lower doses as well.

Interestingly, modafinil has been shown to keep baseline IQ level the same for already gifted people, and boost those of people who are below the average. It has also been shown to reduce creativity, albeit with differing levels of statistical validity. If you’re going to use it, we recommend keeping a little journal of your use, like below:

Dose / How Time Taken Drug Noteworthy Occurrences
orally 6 am 26/06/2019 Modafinil Needed to poo a lot
snorted 6 am 22/06/2019 Armodafinil Stuffed sinuses all day, intense come up
Your Weight: 69 kg
Q: Can you snort Modafinil?
A: We really don’t recommend you try snorting Modafinil. There are no advantages, and you’ll get a chalky nose. If you want faster absorption, try putting it under your tongue. Note that this results in a higher rate of absorption. If you don’t want to be buzzing, then try a half dose first.
Q: How long does it last?
A: Having a half life of 16 hours, it takes quite a long time to wear off. The duration of the peak concentration of moda in the blood is around 3-9 hours in for most brands, however the ratios of the different stereoisomers of moda present are different and produce slightly different effects. Always start at a low dose to figure out calmly if you need more!

Modafinil Interactions with other Drugs

We recommend checking the Interaction checker if you are taking other pharmaceutical medications or treatments, and if you’re still not feeling sure double checking with your local doctor or practitioner.

What does Provigil Do To You?

  • Wakefulness
  • Focus
  • Tunnel Vision
  • Energy
  • Memory retrieval and formation
  • Mildly psychoactive
  • Mildly euphoric
  • A half-life of 16 hours, meaning after that time next to no modafinil will remain in your system
  • Antidepressant
  • Diuretic


Modafinil Dosage

  • 30-60 mg Provides a light nootropic boost, memory, wakefulness and retention are all increased.
  • We recommend a low starting dose of around 30 mg of Provigil. Remember, it’s tolerance building.
  • 200 mg (Full dose) is our recommended, off prescription maximum.
  • At max dose will provide a significant stimulating boost to wakefulness and productivity.
  • Modafinil is tolerance building. Alternating nootropics (i.e. coffee one, modafinil next) on different days is recommended to avoid increasing the dosages. Modafinil can be addictive.
  • Overdosing on Modafinil is difficult. Read about a 15 year old who tried to overdose on 5000 mg, it sounds like a horrid experience.

Where to buy Modafinil?

  • – They take Bitcoin and most cards, their postage is on the expensive side- even so in total it’s still cheaper in total than most other sellers. We take no responsibility for our readers drug or supplement use, we are merely a scientific resource. Be safe!
  • The cost of nootropics can add up. Save with Nootropics.Press Subscribe to get new nootropics discounts, vouchers and coupons in your inbox when they become available.

Legality of Modafinil in the USA and in the UK

  • In the UK, Modafinil is available off prescription, though it cannot be bought from pharmacies it can be imported from Europe without prescription on the clearweb (the visible, everyday internet).
  • In the UK it’s a class C drug, illegal to sell but legal to import
  • In the United States it’s a Schedule IV drug, and each person may have up to 50 pills

Modafinil Side Effects

  • Modafinil, Armodafinil and Alcohol are both processed by the liver. Do not drink until after 16 hours from your time of taking it has passed.
  • Anxiety
  • Nausea
  • Dizziness
  • Dry mouth
  • Insomnia
  • Weight Gain

How to take Modafinil

It’s taken as a small tablet, they vary depending on the particular type of afinil. The standard 200 mg Waklert pill is soft, so you can break it into quarters or further to distribute the dose. It’s produced by indian pharmacies, and they’ve had some dangerous reports in the past but it’s the cheapest and easiest to obtain option for most of the world.

The more expensive versions are brand name Nuvigil for armodafinil, and Provigil for modafinil and are manufactured by Cephalon. Most modafinil users settle for the cheaper generics.

We recommend: Starting at the lowest possible dose and working your way up to 200 mg. You might not need the entire pill!

Modafinil is a favourite of students, night shift workers and anyone looking for a short term solution to sleep deprivation. If you’re in need of focus, keep in mind that if you use Modafinil for revision, you should also use it for your exam. This is known as ‘state-dependent memory’.

  • Key Points: Consistency is the key to learning and retrieval.
  • Avoid too high a dosage as this can cause a high heart rate.
  • Take it easy as Modafinil use can be dependence inducing. You’ll keep wanting to take it to maintain the sensation of alertness!
  • We recommend taking it, for special moments of need like the Felix Felicis.
  • Remember to drink enough water, and to eat enough. Especially if you’re taking it for successive days

Stacking Nootropics – Modafinil

Interested in increasing the effectiveness of modafinil? Stacking refers to using different nootropic drugs synergistically. Modafinil combines like Boltron with a little Fish Oil with DHEA, or Fish Oil and Choline. This stack keeps you calm, and by including choline supplementation you avoid Modafinil headaches. These can occur when choline levels get too low, for example after successive days of use. Remember to refuel the tank and take care of yourself whilst studying and working.

A key principle of drug use and of stacking is balance. It’s not about using lots of a given substance, but rather about combining them to manifest an effective sensation, or a desire to work. As such, start with low doses, especially with nootropics that can be bought in powder form. That way, you can find a dose that suits you best.

Focus/Revision Sleep Deprived Rocketpack
Modafinil – 30 mg Modafinil – 50 mg | 100 mg | 200 mg | 400 mg | 500 mg Modafinil 30-60 mg
Fish oil – 500 mg Fish oil – 500 mg Fish oil – 1000 mg
Choline – 100 mg DHEA – 100 mg Caffeine – 300 mg (1 Cup of regular strength coffee)
The nootropic benefits of modafinil are best felt at lower doses. DHEA – You’ll need the calm when it all kicks in
Start low and work your way up so that you know how each constituent will effect you individually first.
Modafinil Stacked with: And: What’s it like? Does it work?
Modafinil Caffeine Synergistic
Modafinil Ociracetam, Aniracetam, Racetam family of drugs Choline source Synergistic, improved cognitive performance and memory
Modafinil Bacopa Monieri Synergistic, improves cognition, and memory
Modafinil Alpha GPC, Creatine Choline Source Increased reaction time, time to exhaustion and increased workouts to 85% VO2 max.
Modafinil Piracetam Choline Supplement Synergistic, both are cholinergic and help with memory

More Frequently Asked Questions – Article Updated Dec 2019

We regularly update this article to make sure we are up to date with what our readers want to know.

Modafinil vs Armodafinil

Armodafinil only contains the (R)-(−)-enantiomer (or form) of the racemic modafinil. It could be superior to Modafinil at treating excessive daytime sleepiness because Armodafinil is longer-acting due to its longer half-life.

Adrafinil vs Modafinil?

Adrafinil is less potent than modafinil, and because it is a metabolite it needs to be broken down by the liver before becoming modafinil, which is then processed by the liver again. Adrafinil is therefore harsher on the body too.

Modvigil vs Modalert

Modvigil is the branded Modafinil from Cephalon, where as Modalert is the ‘generic’ version, available off prescription and online in many countries around the world. Modvigil the branded version, is said to be stronger and more effective.

Nuvigil vs Provigil

Nuvigil is the brand name for the chemical armodafinil and Provigil is the brand name for modafinil. Armodafinil is a form of modafinil that has a longer half life. Modafinil stays active for less time in your system than Armodafinil, and is better for more intense and brief use than its longer acting cousin.

What is FlModafinil?

A wakefulness promoting nervous system stimulant similar to Modafinil. Not much is known about it other than that it has been under study since 2015, and is supposedly more bio-available than its cousin.

It is mainly available as a research chemical currently, and we don’t recommend you bother making yourself a guinea pig when you could be using Modafinil.

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