--- title: "Phenylpiracetam vs N-Acetyl-Semax: Compared (2026)" url: https://www.bodyhackguide.co/compare/phenylpiracetam-vs-n-acetyl-semax description: "Compare Phenylpiracetam vs N-Acetyl-Semax side by side. We earn a commission on some vendor links. Mechanism, half-life, dose range, side effects and prices." lang: en --- Skip to content Compare notes on r/BodyHackGuide (https://reddit.com/r/bodyhackguide) Compare notes with other researchers. Join r/BodyHackGuide (https://reddit.com/r/bodyhackguide) # Phenylpiracetam vs N-Acetyl-Semax Side-by-side comparison of Phenylpiracetam and N-Acetyl-Semax: mechanism, half-life, dose range, safety profile, and vendor pricing. Phenylpiracetam from $84.99 N-Acetyl-Semax: no price on file ## Price snapshot ### Phenylpiracetam Current low $84.99 current listings 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ### N-Acetyl-Semax Current low — 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ## 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.… **Lowest listed price:** $84.99 across 1 listing Full Phenylpiracetam profile (https://www.bodyhackguide.co/compound/phenylpiracetam) ## N-Acetyl-Semax This is a duplicate/alias entry. The full, maintained guide for this compound lives at NA-Semax (/compound/na-semax). See that page for mechanism, dosing, evidence, and safety. No vendor price on file. Full N-Acetyl-Semax profile (https://www.bodyhackguide.co/compound/n-acetyl-semax) ## Side-by-side comparison | Attribute | Phenylpiracetam | N-Acetyl-Semax | | --- | --- | --- | | Category | Nootropics | Cognitive | | Research Stage | Preclinical | Duplicate entry - see NA-Semax | | Mechanism of Action | 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… | See the full guide This page is a duplicate of NA-Semax, which is the canonical, maintained entry. To avoid conflicting or outdated information, all detail - mechanism of action, protocols, dosing, side effects, and verified citations - is kept on that single… | | Half-Life | — | — | | Typical Dose Range | — | — | | Dosing Frequency | — | — | | Administration | — | — | | Side Effects | 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 price snapshots from more than one day. ### Phenylpiracetam: potential benefits - Cognitive stimulation - Physical performance - Memory enhancement - Cold tolerance - Motivation - Anti-convulsant ### N-Acetyl-Semax: potential benefits - See the full guide at NA-Semax (/compound/na-semax) for benefits and evidence. ## Frequently asked ### What's the difference between Phenylpiracetam and N-Acetyl-Semax? 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…. N-Acetyl-Semax is a cognitive that see the full guide this page is a duplicate of na-semax, which is the canonical, maintained entry. to avoid conflicting or outdated information, all detail - mechanism of action,…. The two differ in mechanism, half-life (not reported vs not reported), and typical dose range. ### Which has the longer half-life, Phenylpiracetam or N-Acetyl-Semax? Phenylpiracetam has a half-life of not reported. N-Acetyl-Semax has a half-life of not reported. Longer half-lives generally mean less frequent dosing but slower on/off kinetics. ### Can you stack Phenylpiracetam and N-Acetyl-Semax? Stacking depends on mechanism overlap, safety profile, and goals. Phenylpiracetam and N-Acetyl-Semax 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 Listings from the vendors we track. Prices change often, so check the vendor before you buy. Phenylpiracetam prices: https://www.bodyhackguide.co/compound/phenylpiracetam?tab=prices N-Acetyl-Semax prices: https://www.bodyhackguide.co/compound/n-acetyl-semax?tab=prices Compare all compounds: https://www.bodyhackguide.co/compare ### Before you buy Phenylpiracetam or N-Acetyl-Semax 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. View Vendor Scorecard (https://www.bodyhackguide.co/vendors/scorecard) ## Related comparisons N Acetyl Selank vs N Acetyl Semax: https://www.bodyhackguide.co/compare/n-acetyl-selank-vs-n-acetyl-semax Phenylpiracetam vs Piracetam: https://www.bodyhackguide.co/compare/phenylpiracetam-vs-piracetam Modafinil vs Phenylpiracetam: https://www.bodyhackguide.co/compare/modafinil-vs-phenylpiracetam **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. Every vendor is ranked on the same public, reproducible methodology. See editorial standards (https://www.bodyhackguide.co/editorial-standards) and affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). BodyHackGuide (https://www.bodyhackguide.co/) Your biohacking research hub: compound pricing, brain health protocols, dosing tools, and vendor reviews. support@bodyhackguide.co Join our Discord: https://discord.gg/Mhq5UdRYBA r/BodyHackGuide on Reddit: https://reddit.com/r/BodyHackGuide **Affiliate Disclosure:** We rank every vendor on the same public, reproducible methodology (https://www.bodyhackguide.co/vendors/methodology). Full details in our affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). **Research Disclaimer:** All compounds listed are for laboratory and research purposes only. Not for human consumption. This site does not sell or ship any products. Always consult a qualified healthcare professional and comply with local regulations. © 2026 BodyHackGuide. 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