Memantine vs Selank

A side-by-side comparison from PeptideSciences101, the open peptide reference.

Overview

Memantine is primarily a cognitive enhancement peptide, while Selank is used for sleep & recovery.

This page compares Memantine and Selank across their primary use, typical dosing, reported benefits and side effects, and U.S. regulatory status. For the full monograph on either compound — mechanism of action, clinical research, and references — follow the article links.

Side-by-side comparison

MemantineSelank
CategoryCognitive EnhancementSleep & Recovery
Regulatory status (US)Research use onlyResearch use only
Typical dosage5-20 mg250-500 mcg
Frequencydailyevening
Reported benefitsNeuroprotection, memory support, cognitive preservationAnxiety reduction, stress relief, sleep quality improvement
Reported side effectsDizziness, headache possibleVery well-tolerated

Key differences

Primary use. Memantine is categorised under Cognitive Enhancement, while Selank falls under Sleep & Recovery. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.

Regulatory status. Memantine: not FDA-approved; treated as a research compound. Selank: not FDA-approved; treated as a research compound.

Dosing. Memantine is typically dosed at 5-20 mg (daily). Selank is typically dosed at 250-500 mcg (evening).

Can you stack them?

Some protocols combine peptides, but stacking Memantine and Selank has not been validated for safety or efficacy in controlled trials. Combining compounds can change their effects and risks. Nothing here is medical advice — consult a qualified healthcare provider before starting or combining any protocol.

Frequently asked questions

What is the difference between Memantine and Selank?
Memantine is primarily a cognitive enhancement peptide, while Selank is used for sleep & recovery. Memantine is not FDA-approved; generally classified as a research compound, whereas Selank is not FDA-approved; generally classified as a research compound.
What is Memantine used for?
NMDA antagonist.
What is Selank used for?
Anxiolytic for sleep.
Can you take Memantine and Selank together?
Some users combine peptides within a single protocol, but stacking Memantine and Selank has not been established as safe or effective in controlled trials. Neither this comparison nor PeptideSciences101 is medical advice — consult a qualified healthcare provider before combining any compounds.
Is Memantine or Selank FDA-approved?
Memantine is not FDA-approved; generally classified as a research compound. Selank is not FDA-approved; generally classified as a research compound.

Read the full articles

  • Memantine — full monograph: mechanism, research, dosing & references
  • Selank — full monograph: mechanism, research, dosing & references

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