







NL-SEMAX™ (MET-OKTAPEPTYD)
A New Standard of Focus, Energy, and Neuroregeneration
NL-SEMAX™ is the world’s first supplement featuring a methionyl-octapeptide, developed through our patented NL-PEPTIDES™ technology — representing the new generation of biologically active peptides.
This advanced neuropeptide supports cognitive performance, focus, memory, and stress resilience, while promoting the regeneration of the nervous system.
It works by increasing the expression of BDNF (Brain-Derived Neurotrophic Factor) — a key protein responsible for neuronal growth, synaptic plasticity, and learning.
Each capsule contains a pharmaceutical-grade peptide, synthesized in Europe and tested in accredited laboratories in Poland, Germany, and Switzerland.
💡 The result: sharper focus, improved mental clarity, and sustained natural energy — without overstimulation or energy crashes.
Technology you can trust.
Why?
Why is our peptide so effective?

How it works?
What is it and why does it work?
OPINIONS
What do our customers say about Synthagen?
Can NL-SEMAX™ be used long-term?
Is NL-SEMAX™ suitable for both men and women?
Are there any side effects?
How should NL-SEMAX™ be taken?
Can NL-SEMAX™ be combined with other peptides or supplements?
Does NL-SEMAX™ contain any banned or doping substances?
FAQ
FREQUENTLY ASKED QUESTIONS





