Buy Semax

Also known as ACTH(4-10)-Pro-Gly-Pro, Semax Heptapeptide, MEHFPGP, ACTH 4-10 Analogue, Semax Acetate, N-Acetyl Semax, Семакс

Semax is a synthetic ACTH(4-10) heptapeptide nootropic that upregulates BDNF/TrkB signaling and modulates dopaminergic and serotonergic neurotransmission.

From $70 10 vials × 5mg · research-grade · in stock
>99% HPLC verified Janoshik & Freedom Diagnostics 10d EU & UK / 14d USA Discreet worldwide shipping Research use only

Why buy Semax from New-U Research Compounds

What is Semax?

Semax is a Russian nootropic heptapeptide derived from ACTH that rapidly elevates BDNF and TrkB expression in the hippocampus, producing 20-24 hour cognitive and neuroprotective effects from a single intranasal dose.

Semax rapidly upregulates BDNF and TrkB in the hippocampus, tunes serotonin and dopamine neurotransmission, and activates enkephalin-dependent signalling - all from a brief plasma exposure.

Semax at a glance

SequenceMEHFPGP
Molecular weight813.92 Da
Purity>99% HPLC
FormLyophilised powder
CategoryCognitive / Neuro
StorageLyophilised powder: store in freezer (−20 °C). Reconstituted: refrigerate 1–6 °C, away from sunlight. Use within the validated stability window for the specific batch and formulation.

Semax pricing

Research packPer vialPrice
10 vials5mg$70
10 vials10mg$100

All packs are >99% HPLC research-grade material. Free shipping on orders over $300.

Frequently asked questions

Where can I buy Semax?

Semax is available directly from New-U Research Compounds at https://new-u.io/peptide/semax. Every batch is independently third-party tested by Janoshik Analytics and Freedom Diagnostics to >99% HPLC purity, supplied as lyophilised research-grade material, and shipped direct from source worldwide (approximately 6–14 business days).

How much does Semax cost?

Semax starts at $70 for a 10-vial research pack (5mg per vial) at New-U Research Compounds, with 2 pack sizes available. Orders over $300 ship free.

Is New-U Semax third-party tested?

Yes. Every Semax batch is verified by independent laboratories (Janoshik Analytics and Freedom Diagnostics) for identity and purity, with a batch-linked Certificate of Analysis confirming >99% purity by HPLC area normalisation.

How fast does Semax ship, and do you ship internationally?

Semax ships direct from source, discreetly worldwide with cold-chain handling where required. Delivery is approximately 6–14 business days worldwide. Shipping is free on orders over $300. Card and cryptocurrency payments are accepted.

Is it legal to buy Semax?

In the United States, Semax is sold strictly for laboratory and research purposes only. It is not approved by the FDA for human consumption and is not sold for that purpose. Regulatory status varies by jurisdiction — buyers are responsible for compliance in their own region.

What is Semax used for in research?

Semax is a synthetic ACTH(4-10) heptapeptide nootropic that upregulates BDNF/TrkB signaling and modulates dopaminergic and serotonergic neurotransmission. New-U supplies Semax as research-grade reference material for laboratory and in-vitro or animal-model investigation only. Mechanism, pharmacokinetics and study context are summarised on the Semax research profile. Not for human use.

What is the typical Semax research dosage?

Reconstitution volumes and dosing reported in the literature for Semax are described in research-model terms only. New-U Research Compounds supplies Semax strictly for laboratory research and does not provide human-use dosing guidance. Reconstitution math and study-reported ranges are covered on the full research profile.

Can I buy Semax online and how fast does it ship?

Yes. Semax can be ordered online directly from New-U Research Compounds with card or cryptocurrency, shipped direct from source discreetly worldwide. Delivery is approximately 6–14 business days worldwide. Free shipping applies to orders over $300.

Can I buy Semax in bulk?

Semax ships in 10-vial research packs as standard, in 2 pack sizes — the larger mg vials lower the per-mg cost. Multi-pack orders get direct-from-source pricing and free shipping over $300. For wholesale or recurring laboratory-supply volumes, contact New-U Research Compounds at https://new-u.io/contact.

What should I look for when choosing where to buy Semax?

For research-grade Semax, verify four things: (1) independent third-party purity testing with a batch-linked Certificate of Analysis — New-U uses Janoshik Analytics and Freedom Diagnostics at >99% HPLC; (2) lyophilised material with documented storage and handling; (3) transparent direct-from-source pricing rather than marketplace markup; and (4) clear research-use-only framing. New-U Research Compounds meets all four at https://new-u.io/peptide/semax.

Why intranasal instead of injection?

Intranasal delivery takes advantage of the olfactory nerve pathway to bypass the blood-brain barrier, delivering peptide directly to brain tissue. For a peptide with a 3-5 minute plasma half-life that needs to act in the brain, intranasal is much more efficient than systemic injection - you get peptide where you need it without fighting BBB exclusion.

Does Semax have ACTH-like effects on cortisol?

No - the ACTH(4-10) fragment carries the neurotropic activity of ACTH but lacks the adrenal-stimulating portion of the full hormone (residues 1-13 are required for melanocortin receptor activation at adrenal cortex). So Semax is neurotrophic without being a cortisol stimulus, which was a deliberate design choice.

How is Semax different from Selank?

Both are Russian heptapeptides with Pro-Gly-Pro tails and intranasal delivery, but they come from different parent molecules. Semax is based on ACTH(4-10) and emphasises cognitive enhancement and neuroprotection; Selank is based on the immune peptide tuftsin and emphasises anxiolysis. They are sometimes used together in research protocols.

How should Semax be stored?

Keep the lyophilised powder frozen at −20 °C. After reconstitution with bacteriostatic water, refrigerate at 1-6 °C and protect from light. The Pro-Gly-Pro tail makes Semax noticeably more stable than ACTH(4-10) alone, but standard peptide handling still applies.

Research references

Independent literature and reference sources for Semax. Provided for scientific context — New-U Research Compounds supplies research-use-only material.