Semax and Selank are heptapeptide and pentapeptide compounds originally developed in Russia and studied extensively in the neuroscience literature for their proposed effects on cognitive function, stress response, and neurotrophic signalling. This category brings together nootropic-class research peptides intended exclusively for laboratory investigation into learning, memory, anxiety-related behaviour, and BDNF-related pathways in preclinical models.

Semax is most frequently studied for its proposed influence on brain-derived neurotrophic factor (BDNF) expression and attentional processing, while Selank is more commonly investigated for anxiolytic-like effects and its interaction with GABAergic and immune signalling. Researchers should note that despite structural similarities to naturally occurring regulatory peptides, both compounds have a comparatively limited body of controlled human research relative to their popularity in the wider research community, and findings from animal models should not be assumed to translate directly.

Every product in this category is independently HPLC-tested for identity and purity, with a Certificate of Analysis (COA) supplied for every batch. Because nootropic peptides are often studied at very small dose ranges relative to their molecular weight, precise reconstitution and accurate reference to the batch-specific concentration are particularly important for maintaining consistency across experiments.

Researchers should review the relevant COA before beginning any protocol, document exactly which batch and formulation was used, and treat manufacturer-stated concentrations as claims to be verified rather than assumed. Where a study design depends on comparing results against previously published research, close attention to peptide sourcing, purity, and reconstitution method is essential for meaningful comparison.

All products in this category are sold strictly for laboratory research use (RUO) and are not intended for human or animal consumption. Nothing on this page constitutes medical advice, a dosing recommendation, or an endorsement of personal use.