Ipamorelin vs Selank
A detailed comparison to help you understand the differences and choose the right peptide for your research goals.
Ipamorelin
Ipamorelin is a selective growth hormone secretagogue that stimulates the release of growth hormone from the pituitary gland without significantly affecting cortisol or prolactin.
Full details →Selank
Selank is a synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. Developed in Russia for anxiety and cognitive enhancement.
Full details →Side-by-Side Comparison
| Aspect | Ipamorelin | Selank |
|---|---|---|
| Mechanism | Acts as a ghrelin mimetic, binding to the ghrelin receptor (GHS-R) in the pituitary to stimulate GH release. Highly selective with minimal effect on other hormones. | Modulates the expression of brain-derived neurotrophic factor (BDNF) and affects serotonin and norepinephrine systems. Has immunomodulatory and anxiolytic properties. |
| Typical Dosage | Typical dosing ranges from 200-300mcg administered 2-3 times daily, often combined with CJC-1295. | Intranasal administration: 250-500mcg 2-3 times daily. Subcutaneous: 250-500mcg daily. |
| Administration | Subcutaneous injection. Best results when administered fasted or before sleep. Often stacked with GHRH peptides. | Most commonly administered intranasally for cognitive effects. Can also be injected subcutaneously. |
| Side Effects | Generally well-tolerated. May cause mild headaches, lightheadedness, or increased hunger initially. | Generally well-tolerated. Some users report mild fatigue or nasal irritation with intranasal use. |
| Best For |
Key Differences
Unique to Ipamorelin:
Unique to Selank:
Detailed Analysis
Ipamorelin and Selank are used for different purposes and have limited overlap in their applications.
Which Should You Choose?
Choose Ipamorelin for Muscle Growth, Fat Loss, Recovery & Healing, Sleep Quality. Choose Selank for Cognitive Performance.