OnePin Peptide Library · Cognitive & Mood

Cognitive & Mood Pre-mixed triple nootropic and sleep blend Not FDA-approved · investigational

Semax / Selank / DSIP Blend

Calm + Clarity Stack

Pre-mixed triple nootropic and sleep blendSemax + Selank + DSIP combinationCognitive enhancer with sleep supportBDNF upregulator + anxiolytic + sleep modulator

The Semax / Selank / DSIP Blend is a triple nootropic and sleep support combination that addresses both cognitive performance and sleep quality in a single vial. Semax provides stimulating BDNF-driven cognitive enhancement and neuroprotection, Selank provides calming anxiolytic support through GABA and serotonin modulation, and DSIP optimizes sleep architecture by promoting delta wave slow-wave sleep. The blend allows flexible timing: morning doses emphasize the Semax cognitive component, while evening doses emphasize DSIP sleep support with Selank bridging both contexts.

Quick Start

Route

Subcutaneous (SubQ) injection or intranasal

Start low

Start with 5-10 units to assess response

Frequency

Daily - timing depends on primary goal (AM for cognition, PM for sleep)

Timing

No fasting required

❋

Start here. Every protocol below is ordered lowest-first. Begin at the smallest effective dose, hold about a week to assess tolerance, and step up only if needed.

Tiered Protocols · lowest first

Quick Start

Conservative start

Start with 5-10 units to assess response · Subcutaneous (SubQ) injection or intranasal · Daily - timing depends on primary goal (AM for cognition, PM for sleep)

Lowest starting point. Hold about a week to assess tolerance before stepping up.

Start with 5-10 units to assess response

Daily - timing depends on primary goal (AM for cognition, PM for sleep)

Intermediate

Neurological Reset / Sleep

500-1000 mcg total · SubQ · Daily

anecdotal · community

500-1000 mcg total

Daily

Reconstitution CalculatorU-100

Vial strength

BAC water

Target dose

050100u

Draw to

— units

◆

How it works

The Semax / Selank / DSIP Blend provides comprehensive neuromodulation through three distinct but complementary mechanisms:

Semax Component: Activates melanocortin receptors (MC3R, MC4R) in the brain, triggering downstream BDNF expression and TrkB receptor activation in the hippocampus and cortex. BDNF supports neuronal survival, differentiation, and synaptic plasticity. Semax also modulates serotonergic and dopaminergic neurotransmission, increases NGF and GDNF expression, and enhances cerebral blood flow. Does NOT stimulate the adrenal cortex at standard doses (no cortisol elevation).

Selank Component: Modulates GABA-A receptor sensitivity to enhance inhibitory neurotransmission without directly binding the benzodiazepine site. Influences serotonin metabolism through tryptophan hydroxylase and serotonin transporter dynamics. The tuftsin core provides immunomodulatory activity through enhanced phagocytic function and NK cell activity.

DSIP Component: Enhances GABAergic inhibitory tone, normalizes cortisol circadian rhythm, and modulates serotonin metabolism to shift sleep architecture toward deeper, more restorative stages. Forms carrier protein complexes that serve as slow-release reservoirs, extending biological activity through the night.

Synergy: Semax stimulates cognitive pathways while Selank provides anxiolytic balance, preventing the overstimulation that can occur with cognitive enhancers alone. DSIP ensures that the neuroplasticity promoted by Semax is consolidated during deep sleep, as slow-wave sleep is critical for memory consolidation and synaptic pruning.

What to expect

Early

Days 1–7

Days 1-7: Semax cognitive effects often noticeable within the first dose - improved focus, verbal fluency, and mental stamina. Selank anxiolytic calming typically felt within 1-2 doses. DSIP sleep architecture changes begin within 2-3 nights. Some users report vivid dreams. Mild injection site effects possible.

Mid

Weeks 2–4

Weeks 2-4: Cumulative BDNF upregulation from Semax produces sustained cognitive enhancement. Selank anxiety modulation becomes more consistent. DSIP delta wave promotion is well established with measurably deeper sleep. The combination of better daytime cognition and deeper nighttime recovery creates a noticeable improvement in overall mental performance.

Later

Weeks 4–12

Weeks 4-12: Full neuroplasticity benefits realized. Memory and learning capacity at peak improvement. Sleep architecture remodeled with consistent deep sleep. Immune function may be improved from Selank tuftsin activity. Consider cycling off after 8-12 weeks with a 4-week break to maintain receptor sensitivity and prevent tolerance.

Evidence

HumanModerate

AnimalPresent

In-vitroPresent

2020Functional Connectomic Approach to Studying Selank and Semax Effects · Volel B, Sysoeva O, Mershina E et al, Frontiers in Pharmacology ↗peer reviewed

2008Efficacy and possible mechanisms of action of a new peptide anxiolytic selank in the therapy of generalized anxiety disorders and neurasthenia · Zozulia AA, Neznamov GG, Siuniakov TS et al, Zhurnal Nevrologii i Psikhiatrii imeni S.S. Korsakova ↗peer reviewed

1999Investigation of mechanisms of neuro-protective effect of semax in acute period of ischemic stroke · Gusev EI, Skvortsova VI, Miasoedov NF et al, Zhurnal Nevrologii i Psikhiatrii imeni S.S. Korsakova ↗peer reviewed

The honest take

◆

Semax is an approved medication for cognitive enhancement and neuroprotection

True. Semax holds regulatory approval in Russia as a prescription medication for cognitive enhancement and as a neuroprotective agent in cerebrovascular conditions. This represents meaningful clinical validation, though Western regulatory bodies have not independently evaluated it.

Comprehensive coverage of cognition, anxiety, and sleep in one blend

Plausible

Mechanistically sound. Each component targets a distinct system - Semax (BDNF/cognition), Selank (GABA/anxiety), DSIP (sleep architecture). The components work through independent pathways. However, the triple combination has not been tested in human trials as a blend.

BDNF upregulation supports neuroplasticity and memory consolidation during sleep

Plausible

Plausible and consistent with neuroscience. BDNF is critical for synaptic plasticity, and slow-wave sleep is the primary window for memory consolidation. Combining a BDNF upregulator (Semax) with a sleep promoter (DSIP) is a logical approach, though the specific synergy has not been directly measured.

Interactions & stacking

What's safe to combine, and what belongs in a separate pin.

Safe & synergistic

GHK-CuSemax contains Met-1 which is susceptible to copper oxidation during prolonged co-storage, but seconds of syringe contact during draw-and-inject is negligible. Safe for draw-and-inject. Draw GHK-Cu LAST.

IpamorelinGH secretagogue adds recovery benefits. No residue conflicts. Safe in same syringe.

CJC-1295 no DAC / Ipamorelin BlendGH axis stimulation complements nighttime recovery. Safe in same syringe.

AOD-9604No interaction. Different mechanisms. Safe in same syringe.

Keep separate

LL-37DSIP is anionic. LL-37 is cationic (+6 charge). Electrostatic aggregation on contact. NEVER combine.

CJC-1295 with DACDAC maleimide linker may react with peptides in syringe. Pin CJC-DAC separately.

NAD+Acidic pH can denature peptide components. Pin separately.

GlutathioneThiol chemistry may interfere with peptide stability. Pin separately.

Side effects & safety

Commonly reported

Vivid dreams or increased dream recall (DSIP effect)
Mild stimulation from Semax if dosed too late in the day
Occasional lightheadedness immediately post-injection
Mild injection site redness or warmth

Less common & notes

Rarely reported: headache, transient nausea, nasal congestion (if using intranasal route).
Semax may cause mild restlessness in sensitive individuals.
Selank may cause brief drowsiness in some users.
Both Semax and Selank are approved medications in Russia with established safety profiles.
DSIP has been studied in humans since the 1980s.
Long-term safety data for this specific combination does not exist.

Pharmacokinetics

Illustrative plasma concentration · 24 h

Half-life

Semax: ~30 min; Selank: ~30 min; DSIP: ~15 min (plasma, extended by carrier proteins)

Peak · Tmax

Semax: ~20 min; Selank: ~45 min; DSIP: ~30 min

Elimination

Semax: ~2.5 hours; Selank: ~2.5 hours; DSIP: ~1.25 hours (plasma)

Activity

Semax: 6-12 hours (BDNF upregulation cumulative with daily dosing); Selank: 6-12 hours (GABA/serotonin modulation); DSIP: 6-8 hours (sleep effects through the night via carrier protein depot)

Storage. Reconstitute with bacteriostatic water. Store refrigerated at 2-8 degrees C. Shelf life approximately 28 days after reconstitution. Semax contains Met-1 which can oxidize over time if stored improperly. Keep away from light. Do not freeze after reconstitution. Discard if cloudy or particulate matter visible.

Regulatory status

Not FDA-approved as a combination. Semax and Selank are approved prescription medications in Russia for cognitive enhancement, neuroprotection, and anxiety. DSIP is classified as a research peptide. Available through compounding pharmacies and research suppliers. All use of this blend outside of Russia/Ukraine is experimental and off-label.

Put it to work

Calculate, log & track

Open Semax / Selank / DSIP Blend straight into OnePin with your vial and dose pre-filled, then let it handle the syringe math and remind you before the vial runs out.

Open Semax / Selank / DSIP Blend in the app →

Go deeper

The guide & community

The complete Semax / Selank / DSIP Blend walkthrough, real protocol discussion and coaching live inside the BlessUp community on Skool.

Join the community ↗

Open in app Community