--- title: "Best Nootropics for Memory & Long-term Cognition — 2026" description: "Top-ranked nootropics for memory & long-term cognition in 2026. Mechanism, dosing, and live vendor pricing for Dihexa, Semax, N-Acetyl-Semax and more. 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It is considered one of the most potent cognitive enhancers ever test" } }, { "@type": "ListItem", "position": 2, "item": { "@type": "Drug", "name": "Semax", "url": "https://www.bodyhackguide.co/compound/semax", "description": "\nSemax is a synthetic heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro, MEHFPGP, 813 Da molecular weight) developed at the Institute of Molecular Genetics of the Russian Academy of Sciences in the 1980s. The" } }, { "@type": "ListItem", "position": 3, "item": { "@type": "Drug", "name": "N-Acetyl-Semax", "url": "https://www.bodyhackguide.co/compound/n-acetyl-semax", "description": "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." } }, { "@type": "ListItem", "position": 4, "item": { "@type": "Drug", "name": "P-21", "url": "https://www.bodyhackguide.co/compound/p21", "description": "P-21 is a **synthetic cyclic dipeptide** — Cyclo(L-prolyl-glycine) — derived from the Selank/Semax C-terminal Pro-Gly-Pro motif. It was isolated and characterized by the Institute of Molecular Genetic" } }, { "@type": "ListItem", "position": 5, "item": { "@type": "Drug", "name": "NSI-189", "url": "https://www.bodyhackguide.co/compound/nsi-189", "description": "NSI-189 is a novel synthetic compound developed by Neuralstem Inc. that stimulates neurogenesis in the human hippocampus. Phase 2 trials for major depressive disorder showed improvements in subjective" } }, { "@type": "ListItem", "position": 6, "item": { "@type": "Drug", "name": "Noopept", "url": "https://www.bodyhackguide.co/compound/noopept", "description": "Noopept is the common brand and research name for **N-phenylacetyl-L-prolylglycine ethyl ester** (GVS-111; INN *omberacetam*), a small dipeptide nootropic developed in the 1990s at the Russian Academy" } }, { "@type": "ListItem", "position": 7, "item": { "@type": "Drug", "name": "Piracetam", "url": "https://www.bodyhackguide.co/compound/piracetam", "description": "Piracetam is the prototypical nootropic — the compound that inaugurated an entire class of cognitive enhancement drugs and gave the category its name. It was synthesized in 1964 by Romanian-born Belgi" } }, { "@type": "ListItem", "position": 8, "item": { "@type": "Drug", "name": "Phenylpiracetam", "url": "https://www.bodyhackguide.co/compound/phenylpiracetam", "description": "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" } }, { "@type": "ListItem", "position": 9, "item": { "@type": "Drug", "name": "Methylene Blue", "url": "https://www.bodyhackguide.co/compound/methylene-blue", "description": "Methylene blue (methylthioninium chloride) is a phenothiazine dye with a 150-year pharmacology record. It was the first fully synthetic drug ever used in medicine (Ehrlich, 1891 for malaria) and remai" } }, { "@type": "ListItem", "position": 10, "item": { "@type": "Drug", "name": "Lion's Mane Mushroom", "url": "https://www.bodyhackguide.co/compound/lions-mane", "description": "**Lion's Mane** (scientific name *Hericium erinaceus*; also known as **yamabushitake** in Japanese, **houtou** in Chinese, **bearded tooth fungus**, **monkey head mushroom**, and **pom pom mushroom**)" } }, { "@type": "ListItem", "position": 11, "item": { "@type": "Drug", "name": "Bacopa monnieri", "url": "https://www.bodyhackguide.co/compound/bacopa-monnieri", "description": "Bacopa monnieri is a creeping, succulent-leaved aquatic perennial that grows in wetlands, bogs, and rice paddies across the Indian subcontinent, Southeast Asia, northern Australia, and the southern Un" } }, { "@type": "ListItem", "position": 12, "item": { "@type": "Drug", "name": "Uridine Monophosphate (UMP)", "url": "https://www.bodyhackguide.co/compound/uridine-monophosphate", "description": "**Uridine monophosphate** (UMP, also written **5'-UMP** or **uridine-5'-monophosphate**) is the nucleotide form of uridine, consisting of the pyrimidine base uracil linked to a ribose sugar phosphoryl" } }, { "@type": "ListItem", "position": 13, "item": { "@type": "Drug", "name": "Alpha-GPC", "url": "https://www.bodyhackguide.co/compound/alpha-gpc", "description": "**Alpha-GPC** (chemical name *L-alpha-glycerylphosphorylcholine*; pharmaceutical name *choline alfoscerate*) is a naturally occurring cholinergic compound that serves as a highly bioavailable precurso" } }, { "@type": "ListItem", "position": 14, "item": { "@type": "Drug", "name": "CDP-Choline", "url": "https://www.bodyhackguide.co/compound/cdp-choline", "description": "**CDP-choline** (cytidine 5'-diphosphocholine, pharmaceutical name **citicoline**) is a naturally occurring intracellular intermediate in the **Kennedy pathway** for phosphatidylcholine synthesis — th" } }, { "@type": "ListItem", "position": 15, "item": { "@type": "Drug", "name": "Sulbutiamine", "url": "https://www.bodyhackguide.co/compound/sulbutiamine", "description": "**Sulbutiamine** (chemical name: *isobutyryl thiamine disulfide*; trade names include **Arcalion**, **Enerion**, **Bisibutiamine**) is a lipophilic synthetic derivative of vitamin B1 (thiamine), devel" } }, { "@type": "ListItem", "position": 16, "item": { "@type": "Drug", "name": "TAK-653", "url": "https://www.bodyhackguide.co/compound/tak-653", "description": "TAK-653 is a novel positive allosteric modulator (PAM) of AMPA-type glutamate receptors developed by Takeda Pharmaceuticals. It enhances glutamatergic neurotransmission without directly activating the" } }, { "@type": "ListItem", "position": 17, "item": { "@type": "Drug", "name": "PE-22-28", "url": "https://www.bodyhackguide.co/compound/pe-22-28", "description": "PE-22-28 is a synthetic seven-amino-acid peptide (sequence PAGASRLLLLTGEIDLP derivative, commonly truncated to PE-22-28 as shorthand for \"position 22-28\" within the parent humanin-family sequence) tha" } }, { "@type": "ListItem", "position": 18, "item": { "@type": "Drug", "name": "Sabroxy (Oroxylin A)", "url": "https://www.bodyhackguide.co/compound/sabroxy", "description": "Sabroxy is a standardized Oroxylum indicum (Indian trumpet tree) bark extract - typically 10% oroxylin A - sold as a nootropic supplement ingredient. Preclinical work points to dopaminergic (dopam" } } ] }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What are the best nootropics for memory & long-term cognition?", "acceptedAnswer": { "@type": "Answer", "text": "The top-ranked nootropics for memory & long-term cognition based on research evidence and current vendor pricing are: 1) Dihexa, 2) Semax, 3) N-Acetyl-Semax, 4) P-21, 5) NSI-189. Each is profiled below with mechanism, dosing, and the cheapest current source." } }, { "@type": "Question", "name": "Which nootropic works fastest for memory & long-term cognition?", "acceptedAnswer": { "@type": "Answer", "text": "Onset varies by mechanism. Direct-acting compounds (e.g., metabolic agonists for fat loss, healing peptides for tissue repair) typically show effects within 2-4 weeks of consistent dosing. Adaptogenic and longevity compounds operate on slower 8-12 week timelines. Each compound profile has its own onset notes — see the linked research pages for specifics." } }, { "@type": "Question", "name": "Where to buy nootropics for memory & long-term cognition?", "acceptedAnswer": { "@type": "Answer", "text": "BodyHackGuide tracks live vendor pricing across every compound on this page. Each row links to the buyer-intent /buy/ page where vendors are ranked cheapest-first by price per mg, with active coupon codes surfaced. Trust Score rubric (0-100) filters out low-quality vendors before they're surfaced anywhere." } }, { "@type": "Question", "name": "Are these nootropics legal to buy?", "acceptedAnswer": { "@type": "Answer", "text": "All compounds linked here are sold by vendors for research-use-only — no prescription required for research purchases. None of the vendors on BodyHackGuide sell research compounds for human consumption. BodyHackGuide editorial doesn't promote off-label use; we provide research data so qualified researchers can make informed sourcing decisions." } } ] } ] --- [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=%2Fbest%2Fnootropics-for-cognition) 100K+ researchers trust BodyHackGuide — Join [r/BodyHackGuide](https://reddit.com/r/bodyhackguide) 1. [Home](/) 3. [Compare](/compare) 5. Best Nootropics for Memory & Long-term Cognition 📚 2026 Buyer's Guide # Best Nootropics for Memory & Long-term Cognition — 2026 Top-ranked nootropics for memory & long-term cognition based on research evidence and current vendor availability. Each compound below links to its full research profile, live vendor pricing, and active coupon codes. Compounds studied for memory consolidation, hippocampal health, and long-term cognitive function. ## Top 18 nootropics for memory & long-term cognition 1 ### Dihexa Nootropics Top pick Dihexa is a synthetic peptide analogue of the angiotensin IV metabolite LVV-hemorphin-7, developed at Washington State University. It is considered one of the most potent cognitive enhancers ever tested in animal models — reportedly 7 orders of magnitude more potent than BDNF at … Cheapest: **$49.99** at **Limitless Biochem EU** · $5.00/mg · 4 active listings [Where to buy](/buy/dihexa) [Research profile](/compound/dihexa)[Coupon codes](/coupons/dihexa) 2 ### Semax Nootropics Semax is a synthetic heptapeptide (Met-Glu-His-Phe-Pro-Gly-Pro, MEHFPGP, 813 Da molecular weight) developed at the Institute of Molecular Genetics of the Russian Academy of Sciences in the 1980s. The compound is derived from ACTH(4-10) — the 4-10 amino acid fragment of adrenocor… Cheapest: **$32.90** at **Ion Peptide** · $3.29/mg · 5 active listings [Where to buy](/buy/semax) [Research profile](/compound/semax)[Coupon codes](/coupons/semax) 3 ### N-Acetyl-Semax Cognitive 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. [Where to buy](/buy/n-acetyl-semax) [Research profile](/compound/n-acetyl-semax)[Coupon codes](/coupons/n-acetyl-semax) 4 ### P-21 Nootropic Peptide P-21 is a \*\*synthetic cyclic dipeptide\*\* — Cyclo(L-prolyl-glycine) — derived from the Selank/Semax C-terminal Pro-Gly-Pro motif. It was isolated and characterized by the Institute of Molecular Genetics at the Russian Academy of Sciences as a metabolic fragment of \[Selank\](/compou… [Where to buy](/buy/p21) [Research profile](/compound/p21)[Coupon codes](/coupons/p21) 5 ### NSI-189 Nootropics NSI-189 is a novel synthetic compound developed by Neuralstem Inc. that stimulates neurogenesis in the human hippocampus. Phase 2 trials for major depressive disorder showed improvements in subjective cognitive function, depression scores, and positive affect despite not reaching… Cheapest: **$84.99** at **Disguised Alpha** · 1 active listing [Where to buy](/buy/nsi-189) [Research profile](/compound/nsi-189)[Coupon codes](/coupons/nsi-189) 6 ### Noopept Nootropics Noopept is the common brand and research name for \*\*N-phenylacetyl-L-prolylglycine ethyl ester\*\* (GVS-111; INN \*omberacetam\*), a small dipeptide nootropic developed in the 1990s at the Russian Academy of Medical Sciences' Institute of Pharmacology under Tatiana Voronina and Rita … [Where to buy](/buy/noopept) [Research profile](/compound/noopept)[Coupon codes](/coupons/noopept) 7 ### Piracetam Nootropics Piracetam is the prototypical nootropic — the compound that inaugurated an entire class of cognitive enhancement drugs and gave the category its name. It was synthesized in 1964 by Romanian-born Belgian chemist Corneliu Giurgea at UCB Pharmaceuticals (Union Chimique Belge) as a c… [Where to buy](/buy/piracetam) [Research profile](/compound/piracetam)[Coupon codes](/coupons/piracetam) 8 ### Phenylpiracetam Nootropics 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. Banned by WADA as a performance-improving drug due to its stim… Cheapest: **$84.99** at **Disguised Alpha** · 1 active listing [Where to buy](/buy/phenylpiracetam) [Research profile](/compound/phenylpiracetam)[Coupon codes](/coupons/phenylpiracetam) 9 ### Methylene Blue Nootropics Methylene blue (methylthioninium chloride) is a phenothiazine dye with a 150-year pharmacology record. It was the first fully synthetic drug ever used in medicine (Ehrlich, 1891 for malaria) and remains on the \*\*WHO Model List of Essential Medicines\*\* as the first-line treatment … Cheapest: **$19.99** at **VANDL Labs** · 2 active listings [Where to buy](/buy/methylene-blue) [Research profile](/compound/methylene-blue)[Coupon codes](/coupons/methylene-blue) 10 ### Lion's Mane Mushroom Nootropics \*\*Lion's Mane\*\* (scientific name \*Hericium erinaceus\*; also known as \*\*yamabushitake\*\* in Japanese, \*\*houtou\*\* in Chinese, \*\*bearded tooth fungus\*\*, \*\*monkey head mushroom\*\*, and \*\*pom pom mushroom\*\*) is a white-to-cream coloured edible and medicinal mushroom in the tooth fungus … [Where to buy](/buy/lions-mane) [Research profile](/compound/lions-mane)[Coupon codes](/coupons/lions-mane) 11 ### Bacopa monnieri Nootropic Adaptogen Bacopa monnieri is a creeping, succulent-leaved aquatic perennial that grows in wetlands, bogs, and rice paddies across the Indian subcontinent, Southeast Asia, northern Australia, and the southern United States. Known as "Brahmi" in Sanskrit — a name it shares somewhat confusing… [Where to buy](/buy/bacopa-monnieri) [Research profile](/compound/bacopa-monnieri)[Coupon codes](/coupons/bacopa-monnieri) 12 ### Uridine Monophosphate (UMP) Nootropics \*\*Uridine monophosphate\*\* (UMP, also written \*\*5'-UMP\*\* or \*\*uridine-5'-monophosphate\*\*) is the nucleotide form of uridine, consisting of the pyrimidine base uracil linked to a ribose sugar phosphorylated at the 5' position. It is one of the four building blocks of RNA (the other… [Where to buy](/buy/uridine-monophosphate) [Research profile](/compound/uridine-monophosphate)[Coupon codes](/coupons/uridine-monophosphate) 13 ### Alpha-GPC Nootropic \*\*Alpha-GPC\*\* (chemical name \*L-alpha-glycerylphosphorylcholine\*; pharmaceutical name \*choline alfoscerate\*) is a naturally occurring cholinergic compound that serves as a highly bioavailable precursor to both \*\*acetylcholine\*\* (the primary neurotransmitter of the cholinergic sys… [Where to buy](/buy/alpha-gpc) [Research profile](/compound/alpha-gpc)[Coupon codes](/coupons/alpha-gpc) 14 ### CDP-Choline Nootropic \*\*CDP-choline\*\* (cytidine 5'-diphosphocholine, pharmaceutical name \*\*citicoline\*\*) is a naturally occurring intracellular intermediate in the \*\*Kennedy pathway\*\* for phosphatidylcholine synthesis — the primary biochemical route by which all nucleated cells produce the dominant me… Cheapest: **$69.99** at **Disguised Alpha** · 1 active listing [Where to buy](/buy/cdp-choline) [Research profile](/compound/cdp-choline)[Coupon codes](/coupons/cdp-choline) 15 ### Sulbutiamine Nootropics \*\*Sulbutiamine\*\* (chemical name: \*isobutyryl thiamine disulfide\*; trade names include \*\*Arcalion\*\*, \*\*Enerion\*\*, \*\*Bisibutiamine\*\*) is a lipophilic synthetic derivative of vitamin B1 (thiamine), developed in Japan in the 1960s by Sankyo Company chemists who were seeking thiamine … [Where to buy](/buy/sulbutiamine) [Research profile](/compound/sulbutiamine)[Coupon codes](/coupons/sulbutiamine) 16 ### TAK-653 Nootropics TAK-653 is a novel positive allosteric modulator (PAM) of AMPA-type glutamate receptors developed by Takeda Pharmaceuticals. It enhances glutamatergic neurotransmission without directly activating the receptor, offering a more controlled mechanism for cognitive enhancement and an… Cheapest: **$79.99** at **BHG Labs** · 1 active listing [Where to buy](/buy/tak-653) [Research profile](/compound/tak-653)[Coupon codes](/coupons/tak-653) 17 ### PE-22-28 Nootropics PE-22-28 is a synthetic seven-amino-acid peptide (sequence PAGASRLLLLTGEIDLP derivative, commonly truncated to PE-22-28 as shorthand for "position 22-28" within the parent humanin-family sequence) that was designed as an analog of \[Humanin\](/compound/humanin) with specific intere… Cheapest: **$54.99** at **Disguised Alpha** · $5.50/mg · 1 active listing [Where to buy](/buy/pe-22-28) [Research profile](/compound/pe-22-28)[Coupon codes](/coupons/pe-22-28) 18 ### Sabroxy (Oroxylin A) Nootropics Sabroxy is a standardized Oroxylum indicum (Indian trumpet tree) bark extract - typically 10% oroxylin A - sold as a nootropic supplement ingredient. Preclinical work points to dopaminergic (dopamine-reuptake-inhibiting) and BDNF-boosting activity, and one small human trial r… [Where to buy](/buy/sabroxy) [Research profile](/compound/sabroxy)[Coupon codes](/coupons/sabroxy) [ Memory & Long-term Cognition hub Browse every compound tagged for memory & long-term cognition, including stack ideas. ](/goal/cognition)[ Compare prices Real-time vendor pricing across every tracked research compound. ](/compare)[ Trust Score rubric The 0-100 vendor scoring system used to filter every link on this page. ](/vendors/methodology) ## Best nootropics for memory & long-term cognition — FAQ ### What are the best nootropics for memory & long-term cognition? The top-ranked nootropics for memory & long-term cognition based on research evidence and current vendor pricing are: 1) Dihexa, 2) Semax, 3) N-Acetyl-Semax, 4) P-21, 5) NSI-189. Each is profiled below with mechanism, dosing, and the cheapest current source. ### Which nootropic works fastest for memory & long-term cognition? Onset varies by mechanism. Direct-acting compounds (e.g., metabolic agonists for fat loss, healing peptides for tissue repair) typically show effects within 2-4 weeks of consistent dosing. Adaptogenic and longevity compounds operate on slower 8-12 week timelines. Each compound profile has its own onset notes — see the linked research pages for specifics. ### Where to buy nootropics for memory & long-term cognition? BodyHackGuide tracks live vendor pricing across every compound on this page. Each row links to the buyer-intent /buy/ page where vendors are ranked cheapest-first by price per mg, with active coupon codes surfaced. Trust Score rubric (0-100) filters out low-quality vendors before they're surfaced anywhere. ### Are these nootropics legal to buy? All compounds linked here are sold by vendors for research-use-only — no prescription required for research purchases. None of the vendors on BodyHackGuide sell research compounds for human consumption. BodyHackGuide editorial doesn't promote off-label use; we provide research data so qualified researchers can make informed sourcing decisions. **Affiliate disclosure.** BodyHackGuide may earn a commission from purchases via links on this page — at no additional cost to you. Compound rankings are based on research-evidence strength and live vendor data; we don't accept payment for editorial placement. See our full [affiliate disclosure](/affiliate-disclosure) . ![BodyHackGuide](/assets/bodyhackguide-logo-DOzZNUyh.webp) ### BodyHackGuide Your biohacking research hub — compound pricing, brain health protocols, dosing tools, and vendor reviews. 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