QHY Bioengineering Co., Ltd. is one of the leading manufacturers and suppliers of peptide semax in China. We are committed to providing high quality customized products with competitive price. If you're going to wholesale bulk durable peptide semax, welcome to get quotation and free sample from our factory.
Product Description
Peptide semax is a synthetic heptapeptide with the sequence: Met-Glu-His-Phe-Pro-Gly-Pro, a neuro-research peptide developed in Russia. Its core is that it removes the hormonal activity of the original ACTH and will not affect the secretion of adrenocortical hormones; the Pro-Gly-Pro fragment is added to its structure to improve stability, and it can cross the blood-brain barrier.
Peptide semax is mainly studied in scientific research around neurotrophic and neuroprotective directions. It is supplied in glass vials exclusively for laboratory research and is strictly prohibited for human use.
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Product Name |
Peptide Semax |
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Main efficacy |
Laboratory only research |
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Type |
Vials/Capsules or Customizable |
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MOQ |
10vials(1box) |
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Shelf life |
between 2-3 years |
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Storage |
Please store in a cool, dry place. |
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Payment method |
T/T, Alipay ,USDT etc |
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Package size |
30*30*35cm/50pcs or customers' requirement |
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Shipping |
DHL, Fedex, UPS, EMS, TNT, By air |
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Delivery Time |
10-15 days after order confirmation |
Product Benefits
Focus and cognitive clarity
Dopaminergic pathways inside the prefrontal cortex are modulated to manage working memory and executive function. Relevant preclinical studies look at its potential to support sustained concentration and reduce markers of mental fatigue, without the overstimulating effects seen with typical stimulant substances.
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Memory and learning pathways
BDNF expression gets upregulated to drive synaptic plasticity and long-term potentiation (LTP), the core neural mechanisms linked to learning and memory consolidation. Research in animal stress and hypoxia models has shown it may support information retention and cognitive performance.
02
Stress and mood regulation research
Serotonin and dopamine signaling receive indirect modulation. Studies investigate its potential to improve stress resilience and emotional stability, with research interest for depressive-like phenotypes without the sedative effects associated with some antidepressant agents.
03
Neuroprotection and neural repair
Early development centered on stroke and traumatic brain injury research models. Scientists examine its capacity to support neurogenesis, boost cerebral circulation, and shield neurons from oxidative damage. These findings are explored for conditions involving neural inflammation, cognitive decline and stress-induced brain impairment.
04

Usage, Dosage and Storage Instructions
Unlike most injectable peptides, peptide semax is applied intranasally for easier use, ideal for new users. Correct timing and dosage matter greatly.
Standard daily dosage ranges from 300–600 mcg, with an upper advanced limit of 900 mcg, split into 2–3 servings. Microdoses of 100–200 mcg, taken 1–3 times a day, are also common. A typical cycle is 10–14 days on and at least 7 days off. It can be dosed in the morning, midday or pre-activity; avoid late-day use if you are sensitive to sleep disruption.
For lyophilized powder: reconstitute with sterile bacteriostatic water (0.9 NaCl preferred). Keep the reconstituted solution refrigerated and finish within 20–30 days.
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