⚠ RESEARCH USE ONLY · NOT FDA-APPROVED FOR HUMAN USE · NOT MEDICAL ADVICE
COGNITIVEAPPROVED (RUSSIA)

Semax.

The Focus Peptide
AKA · ACTH 4-10
COGNITIVENASALSUBCUTANEOUS

Russian-developed nootropic peptide for focus, memory, and BDNF boost. Used clinically for cognitive enhancement.

~1-3 minutes (very short, but effects persist due to downstream gene activation)
Half-life
4
Citations
2
Routes
1
Categories
Store
Storage
65
Popularity

AT A GLANCE.

§ 01 · TL;DR

THE QUICK READ.

Russian-developed nootropic peptide for focus, memory, and BDNF boost. Used clinically for cognitive enhancement.

Increases BDNF (brain fertilizer), enhances focus, and supports memory formation.

WHAT IT MIGHT HELP WITH.

1
Enhanced focus and attention
2
Improved memory formation
3
Increased BDNF levels
4
Neuroprotective effects
5
Reduced anxiety for some

HOW IT WORKS.

§ 02 · MECHANISM

Increases BDNF (brain fertilizer), enhances focus, and supports memory formation.

Synthetic ACTH analog affecting melanocortin receptors. Increases BDNF, NGF, and modulates serotonin/dopamine.

WHO IT'S FOR
  • Cognitive enhancement seekers
  • Focus improvement
  • Students/professionals
  • Those recovering from brain injury
WHO SHOULD AVOID
  • Bipolar disorder (may trigger mania)
  • Those on blood thinners
  • Pregnant/nursing

THE RESEARCH.

§ 03 · 4 STUDIES
2010 · FINDING
CITED

Cognitive Enhancement

Improved attention and memory in various clinical settings

2005 · FINDING
CITED

Stroke Recovery

Accelerated cognitive recovery post-stroke in Russian studies

2023 · FINDING
CITED

Semax BDNF Elevation

Significant BDNF increase confirmed in multiple study populations

2024 · FINDING
CITED

Semax Neuroprotection Review

Updated systematic review supports neuroprotective effects across various conditions

DOSING PROTOCOL.

§ 04 · DOSING
TYPICAL RANGE
Research reported dose
200-600mcg daily, divided doses
FREQUENCY
Most-cited schedule
1-3x daily
ROUTES
Delivery methods
NASAL · SUBCUTANEOUS
HALF-LIFE
Steady state drives frequency
~1-3 minutes (very short, but effects persist due to downstream gene activation)
STORAGE
Protect from light, refrigerate
Store lyophilized at
⚠ NOTE

These are reported protocols from research literature and practitioner accounts, not prescriptions. No FDA-approved human dose exists for research compounds. Anyone using Semax should work with a qualified physician and source from a supplier providing third-party COAs.

FORMS AVAILABLE
  • · Nasal spray
  • · Subcutaneous injection
⚠ RESEARCH INFORMATION ONLY · NOT MEDICAL ADVICE

SIDE EFFECTS & RISKS.

§ 06 · SAFETY
·
Nasal irritation
Common (nasal) · mild
·
Hair loss (rare)
Rare · mild

Reversible

·
Headache
Rare · mild

WHERE TO SOURCE

§ 07 · SUPPLIER
PEAK LAB
PEPTIDES
SUPPLIER OF RECORD · 12 BATCHES PASSED

We tried nine suppliers across 2025 and kept picking PEAK LAB for Semax: 99.4% HPLC purity, COA on every batch, cold chain intact. Shop through our link and we earn a small commission — affiliate relationship is disclosed.

Visit PEAK LAB ↗

COMMON QUESTIONS.

§ 08 · FAQ
How is semax different from traditional nootropics?
Semax increases BDNF (brain-derived neurotrophic factor), actually promoting neuroplasticity rather than just modulating neurotransmitters. The effects can be more lasting.
What's the N-Acetyl Semax version?
N-Acetyl Semax (NASA) has an acetyl group added for potentially improved stability and potency. Some users prefer it, though research comparing versions is limited.
Is there a risk of hair loss?
Some anecdotal reports mention hair shedding, possibly related to melanocortin effects. This appears rare and reversible. Monitor if you're prone to hair loss.
Why is semax approved in Russia but not the US?
Semax has decades of clinical use in Russia for stroke recovery and cognitive issues. FDA approval would require expensive US-based trials that haven't been conducted.
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