Schisandra vs Selank
Side-by-side comparison of Schisandra and Selank: mechanism, half-life, dose range, safety profile, and vendor pricing.
Price snapshot
Schisandra
Selank
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 profileSelank
Selank is a synthetic heptapeptide (Thr-Lys-Pro-Arg-Pro-Gly-Pro, 750 Da molecular weight) developed in the 1990s at the Institute of Molecular Genetics of the Russian Academy of Sciences as a synthetic analog of tuftsin…
Lowest listed price: $25.00 across 6 listings
Full Selank profileSide-by-side comparison
| Attribute | Schisandra | Selank |
|---|---|---|
| Category | Adaptogen | Nootropics |
| Research Stage | Preclinical | Approved (Russia, as anxiolytic and nootropic medication) |
| 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… | Primary Mechanism: Multi-System Neurochemical Modulation Selank does not have a single clean receptor-binding mechanism. Unlike benzodiazepines (GABA-A positive allosteric modulators), SSRIs (serotonin reuptake inhibition), or buspirone (5-HT1A partial… |
| Half-Life | — | ~2-3 minutes plasma half-life (functional anxiolytic and nootropic effects persist 12-24 hours due to gene expression and neurotransmitter modulation) |
| Typical Dose Range | — | 250-750 mcg intranasal daily (0.15% solution: 2-3 drops per nostril 2-3x daily); typical course is 14-21 days |
| Dosing Frequency | — | Intranasal 1–3 times daily |
| Administration | — | Intranasal |
| 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,… | Overall Safety Profile Selank has one of the best safety profiles in the anxiolytic space. Over 15+ years of Russian clinical use and research, the compound has been associated with essentially no serious adverse events at therapeutic doses. This compares… |
| Molecular Weight | — | 751.9 Da |
| Common Vial Sizes | — | 5mg, 10mg |
Price History
5 data points- OF
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Schisandra: potential benefits
- No structured benefit list published.
Selank: potential benefits
- Anxiolytic effects comparable to benzodiazepines but without sedation or dependence in Russian clinical trials (PMID: 18454096)
- Positive allosteric modulation of brain GABA receptors through a non-benzodiazepine binding site (PMID: 30255741)
- Immunomodulation via Th1/Th2 cytokine balance and IL-6 regulation in patients with anxiety-asthenic disorders (PMID: 18577961)
- Cognitive and memory support linked to BDNF upregulation in the hippocampus in preclinical models (PMID: 18841804)
- Modulation of the endogenous enkephalin-opioid system supporting mood and stress tolerance (PMID: 22550852)
- Anti-inflammatory and adaptogenic effects through normalization of stress-induced cytokine dysregulation
- Non-addictive anxiolytic profile - no tolerance, withdrawal, or dependence reported across years of Russian clinical use
Frequently asked
What's the difference between Schisandra and Selank?
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…. Selank is a nootropics that primary mechanism: multi-system neurochemical modulation selank does not have a single clean receptor-binding mechanism. unlike benzodiazepines (gaba-a positive allosteric…. The two differ in mechanism, half-life (not reported vs ~2-3 minutes plasma half-life (functional anxiolytic and nootropic effects persist 12-24 hours due to gene expression and neurotransmitter modulation)), and typical dose range.
Which has the longer half-life, Schisandra or Selank?
Schisandra has a half-life of not reported. Selank has a half-life of ~2-3 minutes plasma half-life (functional anxiolytic and nootropic effects persist 12-24 hours due to gene expression and neurotransmitter modulation). Longer half-lives generally mean less frequent dosing but slower on/off kinetics.
Can you stack Schisandra and Selank?
Stacking depends on mechanism overlap, safety profile, and goals. Schisandra and Selank 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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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.