Modafinil vs Phenylpiracetam
Side-by-side comparison of Modafinil and Phenylpiracetam: mechanism, half-life, dose range, safety profile, and vendor pricing.
Price snapshot
Modafinil
Phenylpiracetam
Modafinil
Modafinil is a prescription wakefulness-promoting agent approved by the US Food and Drug Administration in December 1998 under the brand name Provigil (Cephalon, now Teva) for the treatment of excessive daytime…
No vendor price on file.
Full Modafinil profilePhenylpiracetam
Phenylpiracetam is a Russian-developed phenyl derivative of piracetam with a dramatically higher potency and stimulant profile. Approved in Russia as Phenotropil/Carphedon for cognitive impairment and stroke recovery.…
Lowest listed price: $84.99 across 1 listing
Full Phenylpiracetam profileSide-by-side comparison
| Attribute | Modafinil | Phenylpiracetam |
|---|---|---|
| Category | Nootropics | Nootropics |
| Research Stage | Preclinical | Preclinical |
| Mechanism of Action | Modafinil's mechanism of action is genuinely incompletely understood despite more than two decades of clinical use and extensive preclinical research. It is not a classical stimulant — it does not produce the catecholamine surge of amphetamines, the direct… | Phenylpiracetam's phenyl group addition dramatically increases lipophilicity and blood-brain barrier penetration compared to piracetam. It upregulates dopamine, norepinephrine, and serotonin receptor density — rather than triggering release — explaining the… |
| Half-Life | — | — |
| Typical Dose Range | — | — |
| Dosing Frequency | — | — |
| Administration | — | — |
| Side Effects | Modafinil's side effect profile is relatively favorable compared to classical stimulants but is not negligible. The most common side effects, reported in 5-10% or more of users in clinical trials, are headache (dose-related, typically transient but… | Insomnia (if taken late), headache, slight anxiety at initiation, overstimulation at high doses. Generally well-tolerated. |
| Molecular Weight | — | 218.25 g/mol |
| Common Vial Sizes | — | — |
Price tracking
Modafinil: potential benefits
- No structured benefit list published.
Phenylpiracetam: potential benefits
- Cognitive stimulation
- Physical performance
- Memory enhancement
- Cold tolerance
- Motivation
- Anti-convulsant
Frequently asked
What's the difference between Modafinil and Phenylpiracetam?
Modafinil is a nootropics that modafinil's mechanism of action is genuinely incompletely understood despite more than two decades of clinical use and extensive preclinical research. it is not a classical…. Phenylpiracetam is a nootropics that phenylpiracetam's phenyl group addition dramatically increases lipophilicity and blood-brain barrier penetration compared to piracetam. it upregulates dopamine, norepinephrine, and…. The two differ in mechanism, half-life (not reported vs not reported), and typical dose range.
Which has the longer half-life, Modafinil or Phenylpiracetam?
Modafinil has a half-life of not reported. Phenylpiracetam has a half-life of not reported. Longer half-lives generally mean less frequent dosing but slower on/off kinetics.
Can you stack Modafinil and Phenylpiracetam?
Stacking depends on mechanism overlap, safety profile, and goals. Modafinil and Phenylpiracetam should only be stacked after reviewing each compound's individual protocol page, side effect profile, and any published interaction data. Use the BodyHackGuide stack builder for a structured review before combining research compounds.
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Before you buy Modafinil or Phenylpiracetam
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Related comparisons
Research use only. BodyHackGuide is a research and price-comparison reference. The compounds discussed on this page are not approved by the FDA for human consumption and are sold strictly for laboratory research. Prices shown are pulled from vendor listings tracked on BHG and are subject to change. We earn an affiliate commission on some outbound clicks, and every vendor is ranked on the same public, reproducible methodology. See editorial standards and affiliate disclosure.