When it comes to the battle of Armodafinil vs. Modafinil, who emerges as the clear winner?
Both smart drugs seem to have a very similar name, but this doesn’t necessarily mean they have the same properties.
Yet the differences between the two nootropics may be so subtle to the point where one’s choice of nootropic really doesn’t matter.
Which leaves us stuck with several questions…
What are the differences between Modafinil and Armodafinil when it comes to their effectiveness? Does one last longer than the other? How about the side effects that come with either?
Is there a significant price difference in the Modafinil vs. Armodafinil comparison? Or are we only worried about a difference that amounts to pennies?
This definitive guide was written with the sole purpose of answering all those questions:
By the time you’re done reading, you’ll know everything there is to know about the Armodafinil vs. Modafinil debate. And which nootropic could be the better one for you to take.
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What Is Modafinil?
Most people already know about Modafinil, but in case this is your first time hearing about the smart drug, we’ll briefly catch you up to speed.
Modafinil is a Schedule IV prescription drug that was manufactured by Cephalon before they were bought out by Teva Pharmaceuticals. The United States Food and Drug Administration (FDA) approved Modafinil in 1998 under the brand name “Provigil” to treat excessive daytime sleepiness in the following conditions :
- Obstructive sleep apnea
- Shift work sleep disorder
In doing so, Modafinil has helped millions of sleep-deprived people experience a better quality of life and function during the day without feeling fatigued.
But Modafinil is more famous for its off-label use as a cognitive enhancer. And after several years of people in high-performance careers using the drug in this fashion (students, entrepreneurs, CEOs, surgeons, etc.), scientists have started investigating it even further :
“…clinical studies have also documented beneficial effects of [Modafinil] on cognitive performance in human subjects who have been experimentally sleep deprived.”
“…[Modafinil] appears to also enhance cognitive performance in healthy adults who are not sleep-deprived.”
“Evidence for enhanced working memory, impulse control, vigilance and sustained attention in healthy volunteers has also been reported”
Modafinil’s primary effect involves the promotion of wakefulness and alertness, which is why it is classified as a “eugeroic”.
But in the Armodafinil vs. Modafinil battle, we have to appropriately introduce the other side…
What Is Armodafinil?
Armodafinil, like Modafinil, is also a non-narcotic prescription drug that falls under Schedule IV and was manufactured by Cephalon. It was approved by the FDA in 2007 under the brand name “Nuvigil” to treat the exact same problem as Modafinil, and for the same three medical conditions .
Armodafinil is best known as the R-(-)-enantiomer of Modafinil, as Modafinil is technically a racemic compound consisting of two separate enantiomers: the R-(-)-enantiomer and the S-(+)-enantiomer.
With Cephalon’s patent for Modafinil having expired in 2015, they lost their exclusive rights to manufacture and sell the drug. So, Cephalon needed a new drug to sustain profitability. They also did not want to lose their market dominance amongst the sleep-deprived population .
After rigorous testing, it was discovered that the R-(-)-enantiomer of Modafinil possessed the same properties as Modafinil itself.
Except it stays in your system for much longer and is believed by some to be more potent. This is a common tactic used in the pharmaceutical industry to maintain market dominance :
“Chiral switching — substitution of a racemic drug with a single enantiomer in the marketplace, can confer advantage in maintaining a high market share even in the face of generic competition”
Armodafinil has also been studied for its fatigue-reducing effects, and some studies show great promise for this Modafinil spin-off .
So what does this mean for the Provigil vs. Nuvigil battle? Is there no difference experienced if you take either drug?
Armodafinil vs. Modafinil
Whether you want to compare Nuvigil vs. Provigil, or Armodafinil vs. Modafinil, it really doesn’t matter.
There are many more similarities between the two drugs than there are differences. The differences are mainly relevant for experienced smart drug users — like ourselves — looking to further optimize their cognitive enhancement.
Provigil and Nuvigil are surprisingly alike when you compare the two. In fact, you’ll be much more hard-pressed to find any real differences between the two pharmaceutical medications.
Same Pharmacological Mechanism of Action
When it comes to Modafinil vs. Armodafinil, their exact mechanism of action for promoting wakefulness is still unknown to this day.
However, it appears as if both central nervous system (CNS) stimulants work in the same fashion. They stimulate localized regions of the brain instead of broadly activating the brain itself :
“Both armodafinil and modafinil block dopamine reuptake by binding to the dopamine transporter and increasing dopamine concentrations in certain regions of the brain. However, dopamine receptor antagonists (e.g., haloperidol) and dopamine synthesis inhibitors (e.g., a-methyl-p-tyrosine) do not block modafinil’s action”
It is worth noting that unlike amphetamines and other traditional stimulants, there is a very low potential for dependency and abuse associated with either Armodafinil or Modafinil.
Affected by Food Intake
In other words, when it comes to Armodafinil vs. Modafinil, you can expect the effects to “kick in” quicker when you take either smart drug without food.
Same Terminal Half-Life
The half-life of a drug can be defined as the time it takes for its concentration in the body to be reduced by 50%. Whether you’re taking either Armodafinil or Modafinil, the terminal half-life is essentially the same at 13-15 hours :
“Despite similar half-lives, plasma concentrations following armodafinil administration are higher late in the day than those following modafinil administration on a milligram-to-milligram basis.
The different pharmacokinetic profile of armodafinil may result in improved wakefulness throughout the day in patients with ES compared with modafinil”
We’ll expand upon this finding later in the “Differences” section.
Effectiveness in Treating Their Prescribed Conditions
There’s no competition in the Modafinil vs. Armodafinil debate regarding how well they can treat the conditions they were prescribed for.
A randomized double-blind clinical trial conducted across multiple centers in 2011 found they were equally effective in reducing excessive sleepiness brought about by shift work sleep disorder :
“Both modafinil and armodafinil significantly improved sleepiness mean grades as compared to baseline (P < .0001). Responder rates with armodafinil (72.12%) and modafinil (74.29%) were comparable (P = .76). Adverse event incidences were comparable.
…The study did not demonstrate any difference in efficacy and safety of armodafinil 150 mg and modafinil 200 mg.”
A 2016 meta-analysis involving the use of either Modafinil or Armodafinil also demonstrated equal effectiveness of both drugs in reducing daytime sleepiness within patients diagnosed with obstructive sleep apnea .
Both drugs clearly worked, came with minimal side effects, and were well tolerated by patients.
Boosted Focus, Cognition, & Productivity
Finally, and most importantly, Armodafinil and Modafinil appear to provide the same cognition-enhancing effects. Here are the most common effects reported by countless test subjects :
- Improved short-term memory
- Increased focus
- Elevated confidence (i.e. more motivated)
- Higher levels of alertness
- Longer-lasting attention span
The only real competition in the Armodafinil vs. Modafinil discussion is which smart drug provides more of these effects, and which drug lasts longer. This tends to be very subjective and entirely dependent on the individual user.
Here’s where the Nuvigil vs. Provigil debate gets interesting, as enthusiasts will argue endlessly over the differences that exist between the two.
Yet as you’re about to discover, the differences between Modafinil and Armodafinil are not very significant in number or scope.
As we stated previously, Modafinil is what’s known as a “racemic” mixture of two separate compounds :
R-(-)-modafinil and S-(+)-modafinil are what are known as “enantiomers.” They have the same atoms, and the same 3D structure, but both molecules are non-superimposable mirror images of each other in the third dimension.
Here’s what we mean in simpler terms: Your hands are enantiomers of one another. Even though both are nearly identical in their structure, you cannot have the same ‘hand’ if you try to place your left hand on top of your right hand.
Modafinil contains both enantiomers. Armodafinil, on the other hand, purely consists of the “R” enantiomer. This is why it’s commonly referred to as an “enantiopure” compound (and hence why the name “Armodafinil” is pronounced as “R-Modafinil.”)
And while it may not seem like a big deal, these two enantiomers interact with your body’s enzymes in similar — yet different — ways.
Remember the paper we quoted earlier that stated Armodafinil may lead to improved wakefulness?
That’s where the Provigil vs. Nuvigil conversation starts to get interesting.
If you compare both enantiomers of Modafinil, the properties are quite different from one another:
- The R-enantiomer has a half-life of 10-14 hours, while the S-enantiomer has a half-life of 3-4 hours .
- The S-enantiomer has a three-fold shorter duration than the R-enantiomer, and is also eliminated 3x faster than the R-enantiomer .
- The R-enantiomer has a three-fold higher affinity for the dopamine transporter than the S-enantiomer, and thus it is 3x more effective at inhibiting dopamine uptake .
Additionally, it’s worth noting that the R-enantiomer is biologically active (i.e., exerts its effects) while the S-enantiomer is biologically inactive.
Notably, this does not contradict what we said earlier about the half-life of both drugs. While the effective half-lives of Modafinil and Armodafinil are practically similar, the enantiomers themselves have significantly different half-lives.
And due to the fact that Armodafinil stays in your body for a longer period of time, it has a longer-lasting effect. Some researchers suggest the wakefulness effects are stronger in Armodafinil than Modafinil :
“Relative to modafinil 200mg, armodafinil 200mg showed a comparable peak plasma concentration with higher concentrations 6-14 hours post-drug, and improved wakefulness and sustained attention for a longer time post-dose.”
Keep in mind a higher dose of Armodafinil was used, as the accepted rule of thumb is that 200mg of Modafinil is equivalent to 150mg of Armodafinil.
However, the best dose to take for experiencing cognitive enhancement from either drug is similar to the one used for their prescribed conditions:
For Provigil (i.e., Modafinil), 200mg once a day in the morning is the recommended dose for obstructive sleep apnea and narcolepsy. It comes in tablets of 100mg or 200mg.
For Nuvigil (i.e., Armodafinil), it’s 150mg once a day in the morning for obstructive sleep apnea and narcolepsy. It comes in tablets of 50mg, 150mg, 200mg, or 250mg.
With both drugs, the corresponding dose is simply taken one hour before a work shift if the condition being treated is shift work sleep disorder.
While the maximum daily dose is well-tolerated for Armodafinil (250mg daily) and Modafinil (400mg),no additional benefits beyond the recommended doses have been reliably proved .
Side Effects and Safety Concerns
Armodafinil vs. Modafinil — which one is safer to take and comes with a lower frequency, and severity, of side effects? It turns out that both are virtually the same when it comes to safety :
“…modafinil and armodafinil were effective and well tolerated by pediatric patients [<18 years old] with narcolepsy over a long period of clinical follow ups (up to 10 years). Concomitant administration of other psychopharmacological agents did not result in any significant side effects.
Use of modafinil and armodafinil significantly improved patient’s ability to stay awake and did not exacerbate preexisting psychiatric conditions”
Likewise, they appear to have asimilar side effect profile :
“Reported adverse events were mild to moderate in intensity. The most frequently reported adverse events while receiving armodafinil or modafinil were headache (29% and 2%, respectively), diarrhea (12% and 5%), nausea (10% and 2%), and dizziness (10% and 5%)”
Individuality and biochemical uniqueness will dictate if one suffers more side effects (severity and frequency wise) with Modafinil than Armodafinil (and vice versa).
Both drugs may reduce the effectiveness of medications lowering blood pressure (such as propranolol), as they slightly elevate blood pressure due to their stimulant properties.
Both drugs will interfere with hormonal contraceptives and make them less effective, requiring alternative forms of birth control. They are “Category C” drugs and this means they may lead to developmental toxicity of the fetus in pregnant women .
Both drugs induce the enzymatic activity of CYP3A4 while inhibiting CYP2C19. Any drugs metabolized by these liver enzymes will have their concentrations reduced or increased (respectively), so make sure you read the product monographs associated with any co-administered medications [23, 24].
Please discuss any pre-existing issues you have with your doctor before taking either prescription drug (including any cardiovascular issues, mental health history, dysfunctional liver/kidney, etc.).
Armodafinil vs. Modafinil | Cost Comparison
If you do a price comparison of Provigil vs. Nuvigil, you’ll be shocked by how much each costs.
- For 200mg Provigil, you pay US$24.64per pill. For generic Modafinil, the cost is lowered to US$10.86per pill
- For 150mg Nuvigil, the cost goes up to $29.79 per pill. For generic Armodafinil, you can save a lot more by paying $6.88 per pill.
In our opinion, buying the generic variant of these nootropics through a reputable and legitimate online Modafinil vendor like Buy Moda is the way to go
In terms of the generic variants, we would suggest going with Modalert for Modafinil and Waklert for Armodafinil. Both variants are manufactured by SUN Pharmaceuticals and are the highest-quality generics available on the market, again, in our opinion
For either 150mg Waklert or 200mg Modalert, you’ll pay as little as $0.89-2.30 per pill. The larger your order, the less you end up paying per pill .
As you’ll see in the next section, your preference between Armodafinil vs. Modafinil really comes down to your subjective response.
Which Nootropic is Better?
Modafinil vs. Armodafinil…it seems like there’s virtually no difference between the two smart drugs.
This is the part of the conversation where anecdotal evidence and reports from readers come heavily into play.
Based on all the recommendations we’ve amassed to date, here’s what we’d say to readers still torn on the Provigil vs. Nuvigil debate:
Given their similar pharmacological and safety profiles, we’d consider ordering a sampler pack from your chosen online Modafinil vendor.
You’ll receive roughly two weeks’ supply of both Armodafinil and Modafinil. This will be more than enough time to gauge your particular response to both..
Together with your supervising physician, you’ll be able to observe how they affect your sleep (i.e., how easily you fall asleep, how easily you wake up, and capacity for sleep interruption). But more importantly, you’ll be able to assess the cognitive enhancement each provides during the daytime.
While users will react to Armodafinil or Modafinil differently, reports seem to be fairly consistent with one another:
Modafinil has a shorter duration and acts faster, yet hits you “harder.” You may even experience a “feel-good” Modafinil high. When we want to avoid sleep interference, we take it no later than 10 AM, or noon at the latest.
Armodafinil leads to a longer-lasting boost in focus that feels “cleaner” and “smoother” but isn’t as pronounced. Some users claim they experience fewer jitters and less distractability. Thus, we normally take it 1-2 hours earlier than we’d would Modafinil.
Regardless of the nootropic, we would never take either on a daily basis for cognitive enhancement purposes. Daily dosing is only meant for those with the medical conditions for which either Modafinil or Armodafinil are prescribed
In more specific terms, we avoid exceeding 2-3 doses a week with either Modafinil or Armodafinil. We’ve received both reports of users successfully sticking with either, as well as alternating between the two.
Armodafinil vs. Modafinil | The Verdict
So what can we conclude from this Armodafinil vs. Modafinil side-by-side comparison?
There’s no real ‘winner’ here, as both Modafinil and Armodafinil effectively fulfill their purposes and have many more similarities than differences with each other.
You can expect immense cognitive benefits with little to no side effects from both smart drugs
The only major difference between the two is in how you respond to them. Modafinil tends to provide a stronger boost in cognition that’s shorter in duration, while Armodafinil provides a slightly weaker yet longer-lasting boost in cognition.
But you don’t have to use one at the exclusion of the other: Keep informing yourself to find the best smart drug solution for you!
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