Brain Health & Nootropics
Selank
← Back to LibraryEducational research reference. This page was restored from the structured compound dataset included with this site export. Protocol examples are context for review and are not medical advice.
At a glance
Route(s)
Subcutaneous
Target
Enkephalinase
Timing window
As Needed / Morning
Regulatory status
unapproved or compounded peptide with fda safety risk flag
Protocol context
Standard Protocol
| Timeframe | Dose / exposure | Notes |
|---|---|---|
| Weeks 1-4 | 250mcg to 500mcg daily | Administered in the morning to lower baseline anxiety, or as-needed for acute stress. |
Alternative: Sleep Aid
| Timeframe | Dose / exposure | Notes |
|---|---|---|
| As Needed | 500mcg pre-bed | Helps calm a racing mind to facilitate sleep onset without acting as a direct sedative. |
Protocol logic
Nootropic protocols are state-dependent: sleep, anxiety, stimulants, psychiatric history, and route can change the response. The logic is morning-biased, low-entry dosing, and stopping if arousal or mood destabilizes. Entry context: target (Enkephalinase); route Subcutaneous; timing As Needed / Morning. Unapproved or source-dataset dosing tables are hypotheses, not recommendations. FDA/safety flags lower confidence and raise the evidence bar for any claimed benefit.
Side effects / cautions listed in dataset
- Mild fatigue and sedation at high doses: the most commonly reported adverse effect; dose-dependent; occurs primarily at doses above 500mcg; characterized by a calm, slightly sleepy state that is usually welcome in evening use but problematic for daytime productivity at excessive doses.
- Mild dizziness: uncommon; related to the brief cardiovascular effects of enkephalin potentiation.
- Mild headache: uncommon; transient; reported in a small subset of users in the initial days of a cycle.
- Reduced motivation in some subjects: enkephalin potentiation produces profound emotional calm that, in a minority of subjects, blunts goal-directed drive and ambition; resolve with dose reduction.
- Emotional blunting at high doses: excessive enkephalin tone can produce emotional flatness; this is the upper-dose limit signal that warrants dose reduction.
- Nasal irritation with intranasal formulations: mild; not applicable to subcutaneous administration.
- No withdrawal syndrome: Selank has no physical dependence liability; cessation does not produce rebound anxiety, insomnia, or other withdrawal phenomena that characterize benzodiazepine discontinuation.
- No cognitive impairment: unlike benzodiazepines, Selank does not impair memory formation, reaction time, or processing speed at anxiolytic doses; the opposite is typically observed.
- No respiratory depression: GABA-independent mechanism means Selank carries no overdose risk from respiratory suppression.
Contraindications / risk flags listed in dataset
- Known hypersensitivity to Selank, tuftsin-derived peptides, or formulation excipients.
- Concurrent use with opioid analgesics: Selank increases endogenous enkephalin tone via enkephalinase inhibition; in subjects already on opioid agonists, the additive mu/delta opioid receptor activity theoretically potentiates opioid effects and may complicate analgesic dosing.
- Concurrent use with benzodiazepines or barbiturates: while Selank does not act on GABA-A receptors, overlapping CNS depressant effects in highly anxiolytic-saturated subjects may produce excessive sedation; use with caution.
- Active severe depressive episode with psychomotor retardation: while Selank has mood-stabilizing properties, its primary anxiolytic action without stimulant properties could theoretically deepen motivational suppression in severely retarded depression; monitor carefully.
- Pregnancy: no clinical safety data.
- Breastfeeding: no safety data.
- Pediatric use: not established.
- Narcolepsy or hypersomnia: Selank's enkephalin-potentiating activity could worsen daytime sleepiness in subjects with pre-existing hypersomnia disorders.
Related compounds
Synergistic / related
Sources bundled with this entry
- https://the source dataset.com/peptide-codex.php
- https://www.fda.gov/drugs/guidance-compliance-regulatory-information/human-drug-compounding
- https://www.fda.gov/drugs/human-drug-compounding/certain-bulk-drug-substances-use-compounding-may-present-significant-safety-risks?pg=3
- https://pubmed.ncbi.nlm.nih.gov/?term=Selank

