Selank 5mg – High-Purity Research Peptide
Selank is a synthetic peptide analogue of the naturally occurring immunomodulatory peptide tuftsin, investigated in preclinical research for its potential anxiolytic, neuroprotective, and cognitive-enhancing effects. Supplied as a lyophilised (freeze-dried) solid to preserve stability, this compound is verified at >99.1% purity (HPLC-tested) and provided with full Certificates of Analysis (COAs).
What is Selank?
Selank is a heptapeptide analogue derived from tuftsin, a natural peptide fragment involved in immune regulation. Research has examined Selank for its ability to modulate neurotransmitter systems, reduce anxiety without sedation, and support cognitive clarity. Unlike consumer supplements, Selank supplied by Bluewell Peptides is strictly intended for laboratory research use only and comes with full COA verification for transparency.
Scientific Identifiers
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Product Name: Selank 5mg
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Catalogue Number: BWP-SLK-5
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CAS Number: 129954-34-3
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Molecular Formula: C₃₃H₅₇N₁₁O₉
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Molecular Weight: 751.87 g/mol
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Form: Lyophilised Solid
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Purity: >99.1% (HPLC Verified)
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Storage: Store at −20°C, protected from light
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Unit Size: 5mg
Usage and Reconstitution
Selank is supplied as a lyophilised solid to ensure long-term stability. For laboratory use, it may be reconstituted with bacteriostatic water or another suitable solvent according to established protocols. For detailed guidance, please refer to our peptide reconstitution page.
Research Applications of Selank
Preclinical and laboratory studies have investigated Selank for potential roles in:
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Anxiolytic Effects – Studied for its ability to modulate GABAergic and serotonergic pathways, reducing anxiety-like behaviours without sedation.
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Cognitive Support and Neuroprotection – Explored for its influence on memory, learning, and mental clarity, potentially linked to brain-derived neurotrophic factor (BDNF).
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Immune Modulation – Research suggests Selank may contribute to immune system regulation, particularly under stress or inflammatory conditions.
References available on request or through our research archive.
Why Order Selank from Bluewell Peptides?
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99.1% purity, HPLC-verified
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COA provided with every batch
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Secure ordering and fast UK delivery
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Transparent, research-focused supplier
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Excellent customer support and trusted reviews
Legal and Safety Information
Bluewell Peptides products are supplied strictly for laboratory research and educational purposes only. They are not approved for human or veterinary use. These compounds are not intended to diagnose, treat, cure, or prevent any disease. Use must comply with all applicable laws and regulations.
Customer260 –
All peptides are so different so I didn’t know what I was expecting but I’m so grateful my friend recommended to try this
Customer201 –
Works within 5 minutes
haybale56 –
Wowza
I have BPD and I am not saying this fixes it whatsoever but it drastically helps me out through my episodes and a little help can go a long way
lois –
So good
Ffrom start to finish, I have no complains. Deliver was quick and packaging was good
Kelly Leatherhead –
Impressed with the customer service! I used the chat bot on the weekend, expecting not to get a reply till Monday but I had a response is 3 minutes. They helped with my questions and were very knowledgeable- was clearly a human I was speaking to rather than those stupid bots and they helped me out so much. Caring about the customer’s experience is so key and they nail this.
Customer385 –
helps with anxiety and works well
Kai –
Helps with my brain fog a lot and works immediately
cojo90 –
This has been a game changer. The packaging was secure, labelling was strong, and I’ll definitely be ordering again
Customer164 –
Helps me clear my mind and relax
Ella Hairwade –
This has been life changing for me
I’ve struggled with social anxiety for years. Public speaking was a nightmare and even small talk drained me. After a week on Selank I noticed I could walk into meetings without that heart racing panic. I still get nervous but it’s manageable. I feel present instead of trapped in my own head. My coworkers even commented that I seemed more confident.
Gemma Palin –
Even my irritability is gone like little things don’t set me off anymore so feels like a complete emotional balance I needed
Ted Morris –
I stacked it with Semax and the combo is unreal- calm clarity, zero stress, huge productivity.
Jemima Arondia –
Not only calmer but I sleep deeper and wake up rested
Anonymous –
I was skeptical but after a week my brain chatter quieted down
Anonymous –
Hands down the best anti-anxiety compound I’ve tried
Harrison –
Mood is stable, I don’t overthink as much, and I can actually relax after work.
Anonymous –
Love this for my anxiety
Miehsha Fendables –
I use it before stressful meetings and it’s like social anxiety just melts away. Calm but not tired. Game changer
Emily Foster –
Selank feels like taking the edge off without any sedation. Anxiety down, thoughts clearer, sleep better. Absolutely love it.
Brody –
I like it. It’s not strong like Xanax but that’s the point.
FXt –
Solid product. Didn’t erase my anxiety completely but took the intensity down by halF which is great
Toby –
Calms me down but not sleepy so I use it before bed and it helps with winding down
PETE –
👍🏼
Madds –
Great
Barson –
Helps me feel present and conversations just flow easier and I don’t freeze up socially anymorE
Greggs –
Better than any prescription I’ve been on. I feel normal but not medicated it’s subtle but powerful