-15%N-Acetyl Semax Spray
~200mcg per spray · 10mL · Limitless Life Nootropics
Price with PeptideDeck coupon applied at checkout
PeptideDeck
≥99% Purity
Third-party verified
10mL Spray
~200mcg per spray
GMP Compliant
USA manufactured
Enhanced Stability
N-terminal acetylation
About N-Acetyl Semax
N-Acetyl Semax is an acetylated derivative of Semax with improved enzymatic resistance and bioavailability. The N-terminal acetylation protects the peptide from degradation, potentially extending its duration of action. This modification makes it a preferred choice for researchers seeking enhanced stability in their nootropic peptide studies.
Product Specifications
Key Benefits
Enhanced Cognitive Function
N-Acetyl Semax builds upon the cognitive-enhancing properties of standard Semax with improved bioavailability, supporting memory, learning, and mental processing speed.
Improved BDNF Expression
N-Acetyl Semax promotes robust expression of brain-derived neurotrophic factor (BDNF), a key protein involved in neuronal growth, synaptic plasticity, and long-term memory consolidation.
Neuroprotective Effects
The acetylated form provides enhanced neuroprotection through improved stability, allowing for sustained modulation of oxidative stress and neuroinflammatory pathways.
Mood & Motivation Support
N-Acetyl Semax interacts with dopaminergic and serotonergic systems, supporting positive mood, motivation, and emotional resilience against stress.
Focus & Learning
Researchers report improvements in sustained attention, information processing, and learning capacity, with the acetylated form potentially offering a longer duration of action.
Frequently Asked Questions
What is N-Acetyl Semax?
N-Acetyl Semax is an acetylated derivative of the Semax heptapeptide, an ACTH(4-7) analogue. The N-terminal acetylation enhances the peptide's resistance to enzymatic degradation, potentially improving its bioavailability and extending its duration of action compared to standard Semax.
How does it differ from regular Semax?
N-Acetyl Semax features an acetyl group attached to the N-terminal methionine residue. This chemical modification protects the peptide from aminopeptidase degradation, resulting in improved enzymatic stability, potentially higher bioavailability, and a longer effective duration compared to unmodified Semax.
Why N-acetylation?
N-acetylation is a well-established strategy in peptide chemistry for improving metabolic stability. By capping the N-terminal amino group with an acetyl group, the peptide becomes resistant to aminopeptidases — enzymes that would otherwise rapidly cleave and inactivate the molecule.
How should N-Acetyl Semax spray be stored?
Store in a cool, dry place away from direct sunlight. Refrigeration is recommended for optimal stability and shelf life. Keep the spray bottle tightly sealed between uses and avoid contaminating the nozzle tip.
What is the typical dosing protocol?
Dosing protocols vary by research application. Each spray delivers approximately 200mcg of N-Acetyl Semax. Consult the published literature and your research protocol for appropriate dosing schedules. The 10mL bottle provides multiple applications.
How N-Acetyl Semax Works
N-Acetyl Semax shares the same core mechanism of action as standard Semax — modulation of BDNF and NGF expression, melanocortin receptor activation, and interaction with dopaminergic and serotonergic pathways. The key differentiator is its improved enzymatic stability conferred by the N-terminal acetylation.
The acetyl group protects the N-terminal methionine from aminopeptidase cleavage, which is the primary route of degradation for unmodified Semax. This enhanced resistance to enzymatic breakdown results in improved bioavailability and a potentially longer effective window, allowing for more sustained neurotrophic factor modulation.
Through the melanocortin system, N-Acetyl Semax activates MC3R and MC4R receptors involved in cognitive processes including attention, learning, and memory consolidation. Its interaction with dopaminergic pathways supports motivation and reward processing, while serotonergic modulation contributes to anxiolytic and mood-stabilizing effects.