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Anxiety & cognition

Peptides for Anxiety & Cognition

Selank and Semax, nootropic peptides studied for anxiety, stress resilience and cognitive performance. Clean, third-party tested.

We stock Body Pharm Selank 10mg and Body Pharm Semax 10mg as lyophilised vials for research use only. Each batch undergoes third party purity and identity testing, with documentation provided. Orders placed and paid before 12:00 on a business day typically ship the same day via The Courier Guy or Aramex. Major metropolitan areas receive next day delivery, while outlying areas take 2 to 5 working days [1][19][20].

ProductStrengthPriceAvailabilityShipping
Body Pharm Selank10mgSee live product pageIn stockNationwide, cold-chain
Body Pharm Semax10mgSee live product pageIn stockNationwide, cold-chain

We ship exclusively within South Africa. We accept payment by EFT, card or Bitcoin. Product specific Certificates of Analysis are available on request or on the relevant product page [20][22].

Research distinguishes Selank for anxiety and stress resilience studies, with human trials from 2008 and 2014 reporting anxiolytic outcomes against active comparators [5][6]. Semax is positioned for cognition, memory and neuroprotection research, with human evidence from 1997 and 2001 alongside preclinical work on BDNF signalling and stroke models [8][9][10]. Neither peptide holds SAHPRA registration or approval for therapeutic use in South Africa as of 2026 [1][2].

Shop the full range, every compound, in the strengths that matter.

Selank vs Semax: Which Fits Your Research?

Selank is researched for anxiety and stress resilience, while Semax is researched for cognition and neuroprotection. Neither has SAHPRA registration or approval for therapeutic use in South Africa as of 2026 [1][2].

SelankSemax
Commonly researched focusAnxiety, stress-resilience, GABA modulation [5][23]Cognition, memory, BDNF/TrkB signalling, neuroprotection [8][10]
Evidence typeHuman trials (2008, 2014) [5][6]; preclinical immunomodulatory data (2018) [23]Human neurological studies (1997, 2001) [8][9]; preclinical stroke and Alzheimer's models (2006–2025) [10][11][14]
Human-evidence limitationsSmall Russian trials used active comparators; not replicated in large, contemporary RCTs [5][6]Limited modern trial detail; stroke findings do not establish cognitive enhancement in healthy adults [8][9]
Product formatBody Pharm 10mg lyophilised vial, research use onlyBody Pharm 10mg lyophilised vial, research use only
Buyer fitAnxiety and stress-resilience researchCognition, focus and neuroprotection research

No head to head clinical trial has directly compared the two for anxiety or cognitive enhancement endpoints [10][23][24]. For handling guidance, see our peptide reconstitution information, or view all vials and strengths on BeSkinny's full peptide range.

Best Peptides for Cognition: Is Semax the Fit?

Semax is the more relevant research option for cognition, memory and neuroprotection among the two peptides stocked by BeSkinny. Its evidence base is weighted toward preclinical and Russian clinical use literature rather than large, contemporary, independently replicated trials [8][10][14].

Evidence categoryWhat Semax literature reportsLimitations
Human attention and memory1997 study of operative memory and attention under extreme conditions [8]Abstract lacks modern trial detail; not replicated in contemporary RCTs
Human stroke recovery2001 study of 30 Semax treated patients versus 80 controls [9]Acute clinical setting; historical comparison; no healthy adult cognitive enhancement established
Preclinical mechanismsBDNF/TrkB signalling in rats (2006) [10]; neuroprotective effects in ischaemia models (2007) [11]; gene expression normalisation after stroke (2024) [13]Animal models do not establish human efficacy or dosing
Alzheimer's modelImproved maze and recognition performance in mouse model (2025) [14]Preclinical only; no translation to human cognitive enhancement demonstrated

Body Pharm Semax 10mg is stocked as a lyophilised vial labelled for research use only. A product specific Certificate of Analysis is available on the relevant product page or on request. This documents batch identity and purity testing but does not establish that the compound improves memory, focus or cognitive function in humans [16][17]. See how to verify a peptide Certificate of Analysis for what CoA fields actually demonstrate.

For buyers whose research interests extend beyond anxiety and cognition, the full wellness and recovery peptide range includes additional compounds and strengths.

What Our CoA and Cold Chain Process Shows

We stock Body Pharm Selank 10mg and Body Pharm Semax 10mg as lyophilised vials. Every batch is third party tested for purity and identity with a Certificate of Analysis available on the relevant product page or on request via email. A CoA documents the reported batch test, including identity, assay or purity, lot number, test methods and numerical results. It does not by itself establish sterility, endotoxin control, stability, manufacturing conditions, human safety or clinical effectiveness [16][17][18].

What Buyers Should Match on a CoA

FieldWhat to verifyWhat it does NOT confirm
IdentityMass spectrometry or spectroscopy data matches the stated peptideThat the vial contains the labelled concentration after reconstitution
Purity/assayHPLC results show reported percentage and impurity profileSterility, absence of all contaminants, or endotoxin levels
Lot numberMatches the physical vial in handStability under your storage conditions
Test date and laboratoryCredible third party lab named with contactIndependent verification of the document itself

Our Fulfilment Process

Products are handled cold chain from storage through dispatch. Weight loss pens ship with a gel pack for cold chain integrity. Orders placed and paid before 12:00 on a business day typically ship the same day via The Courier Guy or Aramex. Major metros receive next day delivery, while outlying areas take 2 to 5 working days. We ship within South Africa only.

Payment is accepted by EFT, card or Bitcoin. Support responds by email within 24 hours on weekdays, with WhatsApp listed Monday to Friday 08:00 to 16:00.

A CoA is evidence about the reported batch test and is not proof that a product treats anxiety or improves cognition. For a deeper explanation of CoA fields and how to distinguish batch documentation from clinical evidence, see how to verify a peptide Certificate of Analysis. If your research interest extends beyond anxiety and cognition, browse the full wellness and recovery peptide range.

Frequently Asked Buying Questions

Is Selank or Semax better for anxiety research?

Selank is the compound with direct human anxiety evidence. A 2008 Russian trial of 62 patients with generalised anxiety disorder reported comparable anxiolytic effects to medazepam [5]. Semax has no comparable clinical anxiety data. Its human studies focus on cognition and post stroke outcomes [8][9]. Neither peptide has been replicated in large, modern, Western standard randomised trials.

Which peptide is more cognition focused?

Semax is positioned for cognition and neuroprotection research. Older human studies from 1997 and 2001 describe attention and memory outcomes under extreme conditions or post stroke [8][9]. More recent 2024 to 2025 preclinical work reports gene expression and maze performance changes in rodent models [12][14]. Selank's evidence base centres on anxiety and stress resilience rather than cognitive enhancement [5][6].

Does a CoA prove effectiveness?

No. A Certificate of Analysis documents batch specific identity and purity testing. It does not establish sterility, safety, clinical efficacy or suitability for self treatment [16][17]. Learn how to verify a peptide Certificate of Analysis.

Can I order from outside South Africa?

We ship within South Africa only. Orders placed and paid before 12:00 on a business day typically dispatch the same day. Major metros receive next day delivery, while outlying areas take 2 to 5 working days.

Shop the full range, every compound, in the strengths that matter. Browse the full wellness and recovery peptide range.

Sources

  • [1] SAHPRA, Category A – Unregistered Products, 2026
  • [2] SAHPRA, Guideline for Section 21 Access to Unregistered Medicines, 31 October 2025
  • [5] Zozulia et al., Efficacy and possible mechanisms of a new peptide anxiolytic selank, PubMed PMID 18454096, 2008
  • [6] Medvedev et al., A comparison of the anxiolytic effect and tolerability of selank and phenazepam, PubMed PMID 25176261, 2014
  • [8] A nootropic adrenocorticotropin analog 4-10, Semax, PubMed PMID 9173745, 1997
  • [9] Effectiveness of Semax in acute period of hemispheric ischemic stroke, PubMed PMID 11517472, 2001
  • [10] Semax, an analog of ACTH(4-10) with cognitive effects, PubMed PMID 16996037, 2006
  • [11] Neuroprotective and antiamnesic effects of Semax during experimental ischemic infarction, PubMed PMID 17603664, 2007
  • [12] Semax regulates expression of immune response genes during ischemic brain injury in rats, PubMed PMID 28255762, 2017
  • [13] ACTH-like Peptides Compensate Rat Brain Gene Expression Profile Disrupted by Ischemia, PubMed PMID 39767736, 2024
  • [14] The Potential of the Peptide Drug Semax and Its Derivative for Alzheimer's Disease, PubMed PMID 41479572, 2025
  • [16] FDA, IND Applications for Clinical Investigations: Chemistry, Manufacturing, and Control Information, 22 June 2026
  • [17] FDA, Q7A Good Manufacturing Practice Guidance for Active Pharmaceutical Ingredients, 24 October 2024
  • [18] SAHPRA, Roadmap and Transitional Process for Complementary Medicines, 3 December 2021
  • [19] Vitality Lab, Body Pharma Peptides & GLP-1 in South Africa, accessed 21 October 2026
  • [20] BeSkinny, Body Pharm Selank 10 Vial, 2026
  • [22] BeSkinny, Body Pharm Peptides South Africa, 2026
  • [23] The Molecular Aspects of Heptapeptide Selank Biological Activity, PubMed PMID 30255741, 2018
  • [24] Functional Connectomic Approach to Studying Selank and Semax, PubMed PMID 32342318, 2020