--- title: "Schisandra vs Cortagen: Side-by-Side Comparison (2026)" url: https://www.bodyhackguide.co/compare/schisandra-vs-cortagen description: "Compare Schisandra vs Cortagen 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) # Schisandra vs Cortagen Side-by-side comparison of Schisandra and Cortagen: mechanism, half-life, dose range, safety profile, and vendor pricing. Schisandra: no price on file Cortagen from $79.00 ## Price snapshot ### Schisandra Current low — 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ### Cortagen Current low $79.00 current listings 7-day low — not enough history yet 30-day low — not enough history yet 30-day change — not enough history yet ## Schisandra Schisandra (scientific name Schisandra chinensis; called wu wei zi in Chinese, literally "five-flavor fruit" — referring to the berry's unique property of exhibiting all five basic tastes simultaneously: sweet, sour,… No vendor price on file. Full Schisandra profile (https://www.bodyhackguide.co/compound/schisandra) ## Cortagen Cortagen is a synthetic tetrapeptide (Ala-Glu-Asp-Gly) from the Khavinson bioregulator family developed at the St. Petersburg Institute of Bioregulation and Gerontology. It is organ-targeted to cardiac and coronary… **Lowest listed price:** $79.00 across 1 listing Full Cortagen profile (https://www.bodyhackguide.co/compound/cortagen) ## Side-by-side comparison | Attribute | Schisandra | Cortagen | | --- | --- | --- | | Category | Adaptogen | Longevity | | Research Stage | Preclinical | Preclinical | | Mechanism of Action | Schisandra operates through multiple mechanisms reflecting its complex lignan pharmacology. The major pathways are Nrf2 antioxidant activation, cytochrome P450 modulation, HPA-axis stress adaptation, hepatoprotection, cardiovascular modulation, and central… | Cortagen is a synthetic tetrapeptide, Ala-Glu-Asp-Pro (AEDP), created by the Khavinson group through directed synthesis based on the amino-acid composition of Cortexin, a polypeptide complex extracted from the cerebral cortex [PMID:15159690]. It is a… | | Half-Life | — | Unknown (tetrapeptide; estimated <4 hours) | | Typical Dose Range | — | — | | Dosing Frequency | — | once_daily | | Administration | — | Subcutaneous, Intramuscular | | Side Effects | Schisandra has a favorable safety profile at typical supplemental doses, though has specific considerations particularly around drug interactions. Common side effects (5-15%): - Mild gastrointestinal upset — nausea, heartburn, abdominal discomfort,… | — | | Molecular Weight | — | 430.4 g/mol (C17H26N4O9, PubChem CID 18439621) | | Common Vial Sizes | — | 20 | ## Price tracking Tracking Cortagen prices since April 22, 2026. Trend chart unlocks once we have price snapshots from more than one day. ### Schisandra: potential benefits - No structured benefit list published. ### Cortagen: potential benefits - Peripheral nerve repair - accelerated axon regeneration and faster nerve-conduction recovery after injury in rat models [PMID:11276314; PMID:12134478] - Neuroprotection and antioxidant activity in the cerebral cortex and in chronic brain-ischemia models (preclinical) [PMID:18239817; PMID:21476278] - CNS/cognitive support as the synthetic short-peptide analog of the cortex-derived Russian drug Cortexin - Anti-aging chromatin remodeling - reactivation of age-silenced ribosomal genes in lymphocytes from elderly donors [PMID:15085253; PMID:37042594] - Mild immune-signaling modulation (IL-2 expression), generally weaker than Vilon or Epithalon [PMID:12447482; PMID:16224591] - Longevity-protocol stacking as one of the Khavinson short-peptide bioregulators (commonly paired with Epitalon or Pinealon) ## Frequently asked ### What's the difference between Schisandra and Cortagen? Schisandra is a adaptogen that schisandra operates through multiple mechanisms reflecting its complex lignan pharmacology. the major pathways are nrf2 antioxidant activation, cytochrome p450 modulation, hpa-axis…. Cortagen is a longevity that cortagen is a synthetic tetrapeptide, ala-glu-asp-pro (aedp), created by the khavinson group through directed synthesis based on the amino-acid composition of cortexin, a…. The two differ in mechanism, half-life (not reported vs Unknown (tetrapeptide; estimated <4 hours)), and typical dose range. ### Which has the longer half-life, Schisandra or Cortagen? Schisandra has a half-life of not reported. Cortagen has a half-life of Unknown (tetrapeptide; estimated <4 hours). Longer half-lives generally mean less frequent dosing but slower on/off kinetics. ### Can you stack Schisandra and Cortagen? Stacking depends on mechanism overlap, safety profile, and goals. Schisandra and Cortagen 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. Schisandra prices: https://www.bodyhackguide.co/compound/schisandra?tab=prices Cortagen prices: https://www.bodyhackguide.co/compound/cortagen?tab=prices Compare all compounds: https://www.bodyhackguide.co/compare ### Before you buy Schisandra or Cortagen 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 **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 (https://www.bodyhackguide.co/editorial-standards) and affiliate disclosure (https://www.bodyhackguide.co/affiliate-disclosure). 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