--- title: "Modafinil vs Phenylpiracetam: Side-by-Side Comparison (2026)" description: "Compare Modafinil vs Phenylpiracetam — mechanism, half-life, dose range, side effects, and live vendor pricing. Phenylpiracetam from $84.99. Side-by-side data" lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.bodyhackguide.co/" }, { "@type": "ListItem", "position": 2, "name": "Compare", "item": "https://www.bodyhackguide.co/compare" }, { "@type": "ListItem", "position": 3, "name": "Modafinil vs Phenylpiracetam" } ] }, { "@context": "https://schema.org", "@type": "WebPage", "name": "Modafinil vs Phenylpiracetam: Side-by-Side Comparison (2026)", "description": "Compare Modafinil vs Phenylpiracetam — mechanism, half-life, dose range, side effects, and live vendor pricing. Phenylpiracetam from $84.99. 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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." } }, { "@type": "Question", "name": "Which has the longer half-life, Modafinil or Phenylpiracetam?", "acceptedAnswer": { "@type": "Answer", "text": "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." } }, { "@type": "Question", "name": "Can you stack Modafinil and Phenylpiracetam?", "acceptedAnswer": { "@type": "Answer", "text": "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." } } ] } ] --- [Skip to content](#main-content) ## Research Use Only This site is an **educational resource** for research compounds. We do **not endorse** human consumption of any compound. BodyHackGuide and **BHG Labs share common ownership**; we rank every vendor on the same public methodology, and we earn a commission on purchases through our links. By entering, you confirm you are **21 years of age or older** and agree to our [Terms](/terms) & [Privacy Policy](/privacy). I'm 21+ — Enter SiteLeave site [![BodyHackGuide](/assets/bodyhackguide-logo-DOzZNUyh.webp)BodyHackGuide ](/) [Compare](/compare)[Wiki](/wiki)[Vendors](/vendors)[Deals](/deals)[Stacks](/stack-builder)[Nootropics](/nootropics)[Tools](/tools) Learn Community Search ⌘K [Sign In](/auth?returnTo=%2Fcompare%2Fmodafinil-vs-phenylpiracetam) 100K+ researchers trust BodyHackGuide — Join [r/BodyHackGuide](https://reddit.com/r/bodyhackguide) 1. [Home](/) 2. [Compare](/compare) 3. Modafinil vs Phenylpiracetam # Modafinil vs Phenylpiracetam Side-by-side comparison of Modafinil and Phenylpiracetam: mechanism, half-life, dose range, safety profile, and live vendor pricing. Updated continuously as new research and listings land. Phenylpiracetam from $84.99 ## Live price snapshot ### Modafinil ### Phenylpiracetam Current low $84.99 as of Sep 5, 2026 7-day low $84.99 30-day low $84.99 30-day change — baseline building ## 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… [Full Modafinil profile](/compound/modafinil) ## Phenylpiracetam 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.… **Live lowest price:** $84.99 across 1 vendor [Full Phenylpiracetam profile](/compound/phenylpiracetam) ## Side-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 Tracking Phenylpiracetam prices since September 5, 2026. Trend chart unlocks once we have multiple daily snapshots — new data points land every 24 hours. ### 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. ## See current vendor prices Live listings from the vendors we track, refreshed continuously. [Modafinil prices](/compound/modafinil?tab=prices) [Phenylpiracetam prices](/compound/phenylpiracetam?tab=prices) [Compare all compounds](/compare) ### Before you buy Modafinil or Phenylpiracetam Check the vendor trust score. Every supplier we track is rated 0–100 on COA verification, payment transparency, shipping, reviews, and listings — one published, reproducible methodology, applied to every vendor including BHG Labs, which shares our ownership. [View Vendor Scorecard](/vendors/scorecard) ## Related comparisons [Phenylpiracetam vs Piracetam](/compare/phenylpiracetam-vs-piracetam)[Bromantane vs Modafinil](/compare/bromantane-vs-modafinil)[Selank vs Semax](/compare/selank-vs-semax)[N Acetyl Selank vs N Acetyl Semax](/compare/n-acetyl-selank-vs-n-acetyl-semax)[Noopept vs Piracetam](/compare/noopept-vs-piracetam)[Selank vs Phenibut](/compare/selank-vs-phenibut)[Dihexa vs Noopept](/compare/dihexa-vs-noopept) **Research use only.** BodyHackGuide is a research and price-comparison reference. BodyHackGuide and BHG Labs share common ownership. 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. 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