What is the main difference between Semax and Selank?

Semax is primarily classified as a cognitive compound (a russian-developed peptide for brain boost and protection.). Selank is a cognitive compound (a peptide for anxiety relief and mental clarity.).

Can Semax and Selank be stacked together?

Some peptide pairs in different categories (e.g., recovery + cognitive) are commonly stacked. Others overlap mechanistically and shouldn't be combined. Always consult a licensed physician before stacking compounds.

Side-by-side comparison

Semax vs Selank

A Russian-developed peptide for brain boost and protection. versus A peptide for anxiety relief and mental clarity.

Semax

Cognitive

A Russian-developed peptide for brain boost and protection.

Top benefits

✓Improves focus
✓Enhances memory
✓Neuroprotection
✓Reduces stress

Full Semax guide→

Selank

Cognitive

A peptide for anxiety relief and mental clarity.

Top benefits

✓Reduces anxiety
✓Improves mood
✓No sedation
✓Immune modulation

Full Selank guide→

Attribute	Semax	Selank
Category	Cognitive	Cognitive
Type	linear	linear
Chain length	7 aa	7 aa
Formula	C37H51N9O10S	C33H57N11O9
Common dose	300-800 mcg	250-500 mcg
Frequency	Daily	1-3 times daily
Top benefit	Improves focus	Reduces anxiety
Top side-effect	Headache	Nasal irritation

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Educational use only

This calculator is provided for research and educational purposes. Outputs are derived from the values you enter. Always verify your math and consult a licensed physician before acting on any result.