Research blog
Compound profiles, lab notes, and literature reviews from the HelixCore team.
- Compound profile7 July 2026·8 min read
GHK-Cu (copper peptide): where the research stands
A literature-grounded overview of the copper tripeptide GHK-Cu — its copper-carrier biochemistry, the modern gene-expression research, its skin and matrix biology, and where the evidence is solid versus speculative.
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- Compound profile7 July 2026·8 min read
MOTS-c: the mitochondrial-derived peptide, explained
What MOTS-c is, why a peptide encoded in the mitochondrial genome is biologically remarkable, its AMPK and metabolic signalling, the nuclear-translocation finding, and the honest state of the human evidence.
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- Compound profile7 July 2026·9 min read
Epitalon and the bioregulator peptides: claims versus evidence
A careful look at Epitalon — the tetrapeptide bioregulator, its telomerase and pineal research, the research lineage it comes from, and why its extraordinary claims need the ordinary standard of independent replication.
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- Compound profile7 July 2026·8 min read
PT-141 (Bremelanotide): melanocortin pharmacology explained
PT-141 is one of the few research-catalogue compounds whose parent molecule became an approved medicine. An overview of its MC3R/MC4R melanocortin mechanism, its relationship to Melanotan II, and its unusually clear regulatory picture.
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- How-to6 July 2026·8 min read
Storing research peptides: temperature, shelf life and handling
How to store research peptides properly — lyophilised powder vs reconstituted solution, the right temperatures, shelf life, freeze-thaw cycles, aliquoting, and the common mistakes that quietly waste material.
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- Compound profile5 July 2026·9 min read
TB-500 (Thymosin Beta-4): where the research stands
A literature-grounded overview of TB-500 — what it actually is, how it differs from full-length Thymosin Beta-4, the actin-regulation mechanism, the preclinical evidence, and how it compares with BPC-157.
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- Compound profile4 July 2026·9 min read
NAD+ in research: metabolism, ageing and the salvage pathway
What NAD+ is, why it is central to metabolism and sirtuin/PARP signalling, the salvage pathway and its precursors NMN and NR, where the ageing research focus sits, and the delivery problem that shapes the field.
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- Trends8 June 2026·9 min read
The most-studied research peptides in 2026
A rundown of the seven research compounds seeing the most attention in current peptide research — NAD+, 5-Amino-1MQ, MOTS-c, SS-31, Epitalon, CJC-1295 With DAC and Thymalin. Each with the literature context.
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- How-to7 June 2026·8 min read
Research peptides for beginners: a UK researcher's guide
Plain-language orientation for researchers new to peptide work — what the categories are, what to look for in a supplier, what mistakes to avoid, and where to start.
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- How-to6 June 2026·10 min read
How to reconstitute lyophilised research peptides — the proper way
The standard lab approach to reconstituting freeze-dried peptides: choosing solvent, the step-by-step technique, storage after reconstitution, and the most common mistakes that waste material.
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- Quality5 June 2026·11 min read
Buying research peptides in the UK: the legal landscape explained
Where research peptides sit in UK law, what "Research Use Only" actually means, who can purchase, and what to look for in a UK supplier. Practical orientation for researchers.
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- Compound profile4 June 2026·9 min read
BPC-157 vs TB-500: what's the research difference?
A structural and mechanistic comparison of the two most-studied tissue research peptides. How they actually differ, where the published research focuses, and when to use each in in-vitro experimental design.
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- Compound profile3 June 2026·10 min read
Sermorelin, CJC-1295, Tesamorelin: GHRH analogues compared
The four most-studied GHRH analogues side by side — Sermorelin, CJC-1295 No DAC, CJC-1295 With DAC, and Tesamorelin. Structure, half-life, and which is the right research tool for what.
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- Quality2 June 2026·10 min read
What "third-party batch tested" actually means
A practical explainer on independent batch testing for research peptides — what genuine third-party testing involves, what the reports should contain, and what marketing claims to be sceptical of.
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- Quality1 June 2026·6 min read
Cold-chain shipping for research peptides: when it matters
When cold-chain shipping is essential, when it's a premium upsell that adds no functional value for the buyer, and how to think about the decision for your specific compound and transit conditions.
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- Quality26 May 2026·7 min read
Third-party batch testing: what good documentation looks like
What an independent batch test report should contain, what each value means, and what to do when something looks off — an industry-standard explainer for researchers evaluating peptide suppliers.
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- Compound profile26 May 2026·9 min read
BPC-157: where the research currently stands
A literature-grounded summary of BPC-157 — its origin, sequence, the preclinical research, and the open questions. No claims, just the evidence.
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- Compound profile26 May 2026·10 min read
CJC-1295, Ipamorelin, GHRP-6: how the GH secretagogues compare
A structural and receptor-level comparison of the three most common GH secretagogue research peptides — sequence, receptor target, half-life, and published experimental context.
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