Free shipping over $175Use code RESEARCH10 for 10% offThird-party COA on every batch
VVeriPeptides
Semax — Product
98.9% pure (HPLC)
MS identity ✓
US synthesis
Cognitive & Nootropic

Semax

4.7 · 96 reviews

Semax is a synthetic ACTH(4-10) analog studied in neuroprotection, BDNF expression, and cognition research models.

Buy Semax online from VeriPeptides — 98.9% HPLC purity, third-party COA for batch APX-SMX-2405N, from $49.00. Research use only.

$49.00In stock
Size
1
  • ✓ Third-party COA for batch APX-SMX-2405N
  • ✓ Ships from the US — discreet, temperature-considerate packaging
  • ✓ Free shipping on orders over $175
View third-party COA for batch APX-SMX-2405N

Research applications

  • BDNF/NGF expression
  • Neuroprotection and cognition models
Research Use Only. Semax is supplied strictly for laboratory research. It is not a drug or supplement and is not for human or veterinary consumption.

Customer reviews

4.7
96 reviews
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Verified purchase

Consistently High Quality

We've been sourcing Semax from this vendor for several months, and the batch-to-batch consistency is excellent. The HPLC data always aligns with our in-house QC checks. Reconstitution is always clear with no aggregation.

Dr. A. Sharma, University research labJun 2026 · 18 found this helpful
Verified purchase

Reliable Product, Minor Shipping Hiccup

The lyophilized peptide always arrives well-packaged with sufficient cold packs, and the purity matches the provided COA. Shipping was a day later than estimated on one occasion, but overall a solid vendor.

L. Chen, Biotech R&DMay 2026 · 9 found this helpful
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Excellent Value and Fast Delivery

For the quality and comprehensive COA provided, the pricing is very competitive. Orders are processed and shipped incredibly fast, which is crucial for our experimental timelines.

J. O., Independent researcherApr 2026 · 22 found this helpful
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Perfectly Sealed Vials

Every vial of Semax has arrived perfectly sealed, and the peptide itself reconstitutes without any issues or cloudiness. The labeling is clear and provides all necessary batch information.

M. Reyes, PhD candidateMar 2026 · 15 found this helpful
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Good Quality, Wish for More Detailed HPLC

The Semax is of good quality, and the COA matches our internal analysis for purity. I'd appreciate if the HPLC chromatograms were a bit more detailed, perhaps showing baseline resolution for even minor impurities.

Dr. K. Andersson, Research labJan 2026 · 7 found this helpful
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Top-tier Lyophilization

The lyophilized cake is always intact and uniform, indicating a high-quality process. Reconstitution is instantaneous and completely clear. Impressive.

P. Singh, Analytical chemistDec 2025 · 19 found this helpful
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Seamless Reordering Process

Reordering is straightforward, and customer service is responsive to any queries about batch availability. We rely on their consistent supply for our ongoing projects.

S. Davies, Lab managerNov 2025 · 11 found this helpful
Verified purchase

Product is Fine, Communication Could Improve

The Semax itself passes our QC, and the purity is as stated. However, updates regarding order status or potential shipping delays are sometimes slow to arrive. The product quality remains reliable, though.

G. Thompson, University research labOct 2025 · 4 found this helpful

Showing 8 most recent of 96 reviews

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