Artvigil vs Waklert: Which Armodafinil Is Stronger?
Written by Dr. Marcus Bennett · · Fact-checked October 2026 · How we review
Artvigil and Waklert are the two best-known armodafinil generics, and the "which is stronger" debate never seems to end online. We looked at what's actually known, and the honest answer is shorter than the debates suggest.
The short answer
Neither is proven stronger. Both are 150 mg armodafinil generics of Nuvigil. If you want a direct difference: Waklert has the bigger manufacturer and history; Artvigil is often a little cheaper and has a 250 mg version.
Head to head
| Artvigil | Waklert | |
|---|---|---|
| Active ingredient | Armodafinil 150 mg | Armodafinil 150 mg |
| Maker | HAB Pharma | Sun Pharma |
| Sister modafinil | Modvigil | Modalert |
| Higher strength sold at Afinil | Artvigil 250 mg | No |
| Reported feel | "Smooth" | "Punchy," long |
| Price at Afinil | Often lower | A bit higher |
Where the "stronger" idea comes from
Most of it comes from forum threads where one person's Waklert felt intense and another's Artvigil felt mellow. Those experiences are real, but they're not controlled. On different days, with different sleep and caffeine, the same pill can feel very different.
Inactive ingredients (binders, fillers, coatings) can slightly change how fast a tablet dissolves, which might make one feel quicker to kick in. That's plausible but unmeasured for these two. The amount of armodafinil reaching your bloodstream over the day should be similar.
Duration
Armodafinil lasts longer than modafinil because the R-isomer clears more slowly. Expect a long day from either brand. Morning dosing matters more than brand choice for sleep.
Side effects
The Nuvigil label lists headache, nausea, dizziness and insomnia as most common. Both brands carry the same risks: rare serious rash, psychiatric effects, and reduced birth-control effectiveness during and for a month after use. If one brand gives you a headache, the other probably will too. Water and a light breakfast help a lot of people.
Price and buying
Artvigil is often a bit cheaper per pill at Afinil. Afinil also sells a Modvigil + Artvigil combo in its saver pack, which can be good value if you want both modafinil and armodafinil. Waklert is available with US domestic USPS shipping at Afinil if speed matters.
Our pick
- Budget first: Artvigil.
- Brand-name maker and the most user history: Waklert.
- Already happy on one: stay with it. Switching for "strength" rarely pays off.
- Want a higher dose: talk to your doctor before trying Artvigil 250; more isn't consistently better per the label.
A fair way to compare yourself
- Check with your doctor first.
- Dose each on similar days, early morning, same breakfast.
- Skip extra caffeine on test days.
- Write down onset time, focus (1-5), side effects and sleep quality.
- Do at least three days each.
Made-up example: if your log shows Waklert 4/5 focus and 2/5 sleep, and Artvigil 4/5 focus and 3/5 sleep, the cheaper and better-sleep option is the obvious winner for you, whatever forums say.
Related comparisons
Legal reminder
Armodafinil is Schedule IV in the US and needs a valid prescription from a licensed US prescriber. See our legal notes.
A closer look at the two makers
Sun Pharma (Waklert) is a large multinational generic maker, and Waklert is probably the most widely used armodafinil generic outside the US. Its long run means plenty of user reports and familiarity among vendors.
HAB Pharma (Artvigil) is smaller but has built its reputation on budget modafinil and armodafinil. Artvigil and Modvigil are staples at many vendors, and HAB offers Artvigil in a 250 mg strength too.
Neither product is FDA-approved; both are Indian generics of Nuvigil.
What "stronger" could actually mean
When people call one armodafinil "stronger," they might mean any of these:
- Faster onset: it kicks in sooner.
- Higher peak: it feels more intense at its peak.
- Longer duration: it lasts later into the evening.
- More side effects: jitteriness or headache, which some people read as "strength."
With the same 150 mg dose, the total exposure over the day should be similar. Small formulation differences might nudge onset, but nobody has published a comparison of these two brands. The side-effects version of "stronger" is the one to watch, because it isn't a good thing.
Timing and food
The Nuvigil label notes that taking armodafinil with food can delay peak levels by a couple of hours or so. That alone can make the same brand feel "weaker" one day and "stronger" the next. If you're comparing, keep breakfast the same both days.
Armodafinil vs modafinil, if you're unsure
If you're choosing between Artvigil and Waklert because you've heard armodafinil is "the strong one," it's worth knowing that 150 mg armodafinil and 200 mg modafinil are generally considered comparable. The difference is mostly duration: armodafinil lasts longer. Some people prefer that, and others find it ruins their sleep. See our saver pack review for an easy way to try both.
Shipping and availability
Both ship from Afinil by EMS (7-12 business days to the US) or Registered Airmail (10-18 days). Afinil lists domestic USPS options for both Artvigil and Waklert, which Afinil says arrive in about 3-4 days, or overnight depending on stock. Both are usually in stock.
Packaging checks
Artvigil and Waklert strips look different, and packaging can change over time. Look for the brand name, "150," a batch number and an expiry date. If you buy both, store them separately so you don't mix up which one you're testing.
The bottom line on "strength" claims
When you read a review saying one brand is "way stronger," ask: on what dose, after how much sleep, with what breakfast, and compared how many times? Almost none of these posts answer those questions. That's not because people are lying; it's because a single day on a pill tells you very little. Your own careful log over a week beats a hundred forum posts.
Price difference in real terms
Made-up example: if Artvigil costs 15 cents less per tablet and you use 10 tablets a month, you save $1.50 a month. That's not nothing, but it's not worth switching for if Waklert suits you and Artvigil doesn't.
Verdict
Artvigil vs Waklert isn't about strength. Same drug, same dose. Pick Artvigil to save money, Waklert for the bigger maker, and judge either by how you feel and sleep, not by forum hype.
FAQ
Is Waklert stronger than Artvigil?
No independent study shows that. Both contain 150 mg armodafinil. Differences people report are subjective and vary person to person.
Why do people say Artvigil is smoother?
User reports often call Artvigil smooth and Waklert punchier, but that's anecdote. Fillers can affect absorption slightly; the dose is the same.
Is there a 250 mg Artvigil?
Afinil sells an Artvigil 250 mg. The Nuvigil label notes 250 mg showed no consistent extra benefit over 150 mg in sleep apnea.
Which one is cheaper?
Artvigil is usually a little cheaper than Waklert at Afinil, but check the live prices.
Which lasts longer, Artvigil or Waklert?
Both are 150 mg armodafinil, so duration should be about the same. Armodafinil is long-acting, and both can affect sleep if taken late.
Is Waklert better for shift work?
Armodafinil 150 mg is the label dose for shift work disorder, taken about an hour before the shift. Either brand provides that dose; ask your doctor.
Can I switch from Waklert to Artvigil?
Same drug and dose, so switching is usually simple. Do it on a normal day and see how you feel.
Do Artvigil and Waklert have the same side effects?
Yes. The label risks are the same for any armodafinil: headache, nausea, dizziness, insomnia, and the rare serious ones like rash.
Are fake Waklert pills common?
Popular brands attract fakes. Buy from an established vendor and check the strip details when it arrives.
Which should I try first?
If cost matters, Artvigil; if you want the bigger maker, Waklert. Either is a reasonable first armodafinil.