Semax is a synthetic peptide analog of ACTH with powerful nootropic and neuroprotective properties. It dramatically boosts BDNF levels, enhancing memory formation, cognitive clarity, and focus — one of the most studied cognitive enhancement peptides available.
Prescribed by Olivia Kelly, NP · Licensed since 2003 · Olympia Pharmacy partner
Semax is a synthetic heptapeptide analog of ACTH (adrenocorticotropic hormone), originally developed in Russia for stroke recovery and cognitive decline. It dramatically increases brain-derived neurotrophic factor (BDNF) — the molecule responsible for neuroplasticity, memory formation, and cognitive resilience.
Unlike stimulants, Semax works at the neurological level — supporting the brain's actual growth and repair mechanisms rather than simply pushing harder on existing pathways.
Semax dramatically increases BDNF levels — the primary driver of neuroplasticity, new neural connection formation, and long-term memory consolidation.
Modulates dopaminergic and serotonergic systems to improve attention, working memory, and executive function — without the crash of stimulants.
Originally studied for stroke and TBI recovery, Semax protects neurons from oxidative stress and ischemic damage — supporting long-term brain health.
Reduces mental fatigue and improves motivation without the jitteriness or dependency associated with caffeine and stimulants.
★★★★★"I'm a software engineer and the cognitive demands are intense. Semax has been remarkable — my focus is sharper, I retain information better, and I don't crash in the afternoon. Game changer."
★★★★★"I was dealing with brain fog post-COVID. Semax through IV League has been the most effective intervention I've tried. Olivia's team tailored the protocol specifically to my situation."
★★★★★"The nasal spray is incredibly convenient. I use it in the morning with my coffee and feel a noticeable difference in my cognitive sharpness within about 30 minutes. No jitters, no crash."
IV League is a nurse-owned clinical practice. All peptide protocols require a consultation and baseline labs reviewed by our NP before any prescription is issued.
Labs can be ordered through IV League or submitted from your existing provider. Most results available within 3–5 business days. Your protocol begins after NP review.