Semax and Selank are the most complementary nootropic peptides available — one sharpens your mind, the other quiets the noise. Together they create a state of calm, focused clarity that neither achieves alone. Designed for high performers, executives, and anyone ready to think at their best.
Prescribed by Olivia Kelly, NP · Licensed since 2003 · IV League proprietary protocol
The Brain Stack combines Semax and Selank — two Russian-developed neuropeptides that work synergistically to optimize cognitive function from opposite angles. Semax increases BDNF and drives neuroplasticity, sharpening focus and memory. Selank modulates anxiety and stress response, creating the calm mental state where peak performance actually happens.
Prescription anti-anxiety medications dull your thinking to quiet anxiety. The Brain Stack does the opposite — it reduces anxiety while making your mind sharper. The result is a state that high performers pay anything to access: calm, clear, focused.
Increases BDNF expression in the hippocampus and frontal cortex — driving neuroplasticity, memory consolidation, and focused cognitive output.
Modulates serotonin metabolism and GABA-A activity to reduce anxiety without sedation. Lowers the mental static that keeps you from your best thinking.
Semax sharpens the signal; Selank removes the interference. Used together, many clients report the most productive mental state of their lives.
Unlike Adderall, benzodiazepines, or SSRIs — no dependence, no tolerance, no cognitive dulling. Start, stop, or adjust without withdrawal.
★★★★★"I run a 50-person company and the mental load was crushing me. The Brain Stack is the only thing that's ever given me real focus without making me feel wired or medicated."
★★★★★"I was skeptical about peptides for cognitive function. Three weeks in and my anxiety is down, my focus is up, and my team has noticed the difference."
★★★★★"As a marathoner with bad performance anxiety, the Brain Stack quiets the pre-race panic without dulling my edge. I ran a PR at Boston this year."
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.