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New research peptides recently added for laboratory use.

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  • High-purity peptides for research use only.

SEMAX Compounds
Peptide Scientific Labs offers premium SEMAX products formulated for cognitive support, designed to enhance focus, memory, and mental clarity.
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SEMAX Peptides
  • 5.0
Focus, Memory & Cognitive
SEMAX Peptides
$42.48 - $47.48
15%
Total: 10mg (per 1 Vial)

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Customer Reviews

Sofia H.
Verified
April 5, 2026
switched to PSL for semax after our old supplier kept sending inconsistent batches. Night and day diffrence honestly. Reconstituted easily and our cell culture results have been way more reproducible since making the switch.
SEMAX Peptides

SEMAX Peptides

Marcus T.
Verified
April 2, 2026
Really impressed with the quality here. We've been running cognitive pathway assays and the data has been remarkably clean compared to our previous vendor. 10mg vial lasted through our entire study protocol. Fast shipping too — got it in like 4 days 🧪
SEMAX Peptides

SEMAX Peptides

Common Questions

What is SEMAX?

Semax is a synthetic peptide derived from the ACTH(4-10) region and modified for research use. It is one of the more recognized nootropic-oriented peptides in experimental neuroscience discussions. For compliance, it should be described as a laboratory peptide studied in cognitive and neuroprotective research rather than as a consumer cognitive enhancer.

What is SEMAX typically studied for?

Semax is commonly studied in relation to attention, memory, neuroprotection, neurotrophic signaling, and cerebrovascular stress models. The right wording is that it appears in experimental literature around those pathways, not that it is a broadly approved intervention for cognitive performance.

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All products are supplied in powder (lyophilized) form and must be reconstituted with an appropriate diluent for research use only. Research supplies (e.g., syringes, bacteriostatic water) are not included. No dosing guidance is provided. We comply with all applicable local and state laws governing Research-Only Chemical sales. We are not a pharmacy and do not promote or provide guidance for human or animal use.