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Magazine
Substance profiles ·
GHK-Cu serum, copper peptide cream, Matrixyl & co.: which peptide classes skincare uses, what studies show and how cosmetics differ from research reagents.
Substance profiles ·
HGH or peptides? The difference between somatropin and peptides such as CJC-1295, ipamorelin and tesamorelin: mechanism, evidence, risks and approval.
Substance profiles ·
Ipamorelin explained: how the selective ghrelin receptor agonist releases growth hormone, what studies show and why it is combined with CJC-1295.
Substance profiles ·
Kisspeptin explained: how the peptide controls GnRH neurons and thus LH and FSH, and what studies on puberty, fertility and the brain show.
Substance profiles ·
Tesamorelin explained: how the GHRH analogue acts on the growth hormone axis, what studies on abdominal fat, liver fat and cognition show.
Substance profiles ·
Oral BPC-157 explained: why the peptide is considered stable in gastric juice, what animal studies with oral dosing show and when capsules or lyophilised powder fit.
Substance profiles ·
BPC-157 effects and side effects put in order: which models were studied, what is missing in humans and how to recognise good material.
Analytics & quality ·
How to buy research peptides in the EU: how to recognise a reputable supplier, check lab reports and what applies to shipping, customs and the law.
Substance profiles ·
Epitalon (epithalon, AEDG) under scrutiny: what cell studies show on telomerase, what the independent 2025 study confirms and what is missing in humans.
Substance profiles ·
GHK-Cu explained: what the copper peptide does in cells and wound models, what serum and cream studies show and which side effects are known.
Substance profiles ·
GLOW and KLOW peptides explained: which four peptides are in the blends, what each component shows in studies and why there are no data on the combination.
Substance profiles ·
What is GLP-1? How semaglutide, tirzepatide and retatrutide work, which are approved, and what to make of orforglipron and GLP-1 capsules.
Substance profiles ·
GHRH analogues and ghrelin mimetics: how ipamorelin, CJC-1295, tesamorelin and sermorelin act on the growth hormone axis and what studies show.
Substance profiles ·
What does KPV do? How the tripeptide Lys-Pro-Val from α-MSH dampens inflammation in gut and skin models, what role PepT1 plays and what is still missing.
Lab practice ·
Why peptides come as lyophilisate: how freeze-drying works, what the cake in the vial tells you and how to store powder and solutions.
Substance profiles ·
Melanotan 1, melanotan 2 and PT-141 (bremelanotide) compared: which melanocortin receptors they activate, what is approved and which risks are known.
Substance profiles ·
Methylene blue explained: from the first synthetic drug to a redox tool of mitochondrial research. What studies show and which risks are known.
Substance profiles ·
MOTS-c explained: how a peptide encoded in mitochondrial DNA influences energy metabolism, what cell and mouse studies show and what is missing in humans.
Substance profiles ·
NAD+ explained: what the coenzyme does in the cell, why levels fall with age and what studies on NMN, NR and NAD+ itself show.
Analytics & quality ·
What is in a peptide lab report? HPLC purity, measured amount, identity and verification key explained line by line, with a checklist.
Substance profiles ·
Retatrutide explained: how the GIP, GLP-1 and glucagon receptor agonist works, what the phase 2 and phase 3 trials show and where approval stands.
Substance profiles ·
Semax and selank explained: how the Russian heptapeptides are built, what studies on BDNF, anxiety and stress show and how robust the data are.
Substance profiles ·
SS-31 (elamipretide) explained: how the tetrapeptide binds cardiolipin, why the large muscle trial failed and what the US approval rests on.
Substance profiles ·
TB-500 put in order: complete thymosin beta-4 or the short fragment, what studies show for each and what our lab report measures.
Substance profiles ·
Thymosin alpha 1 (thymalfasin) explained: how the thymic peptide acts on the immune system, what hepatitis and sepsis studies show and where it is approved.
Lab practice ·
Bacteriostatic water explained: how it differs from sterile water, what the benzyl alcohol is for and how long a pierced vial keeps.
Analytics & quality ·
What a batch number means, how it links to the certificate of analysis and how to document your material end to end in the lab notebook.
Analytics & quality ·
HPLC purity is not peptide content. What water, counter-ions and endotoxins mean, how they are measured and why it matters for concentration calculations.
Analytics & quality ·
Retention time, peak area, baseline and minor peaks: how to read the HPLC chromatogram on a peptide certificate of analysis and understand the purity figure.
Fundamentals ·
One- and three-letter codes, N- and C-terminus, Ac- and -NH2, D-amino acids, disulfide bridges: how to read peptide sequences on data sheets.
Fundamentals ·
Peptides and proteins are both made of amino acids. Where the boundary lies, why folding matters and how each is made in the lab.
Lab practice ·
Dissolving lyophilised peptides for lab work: choosing a solvent, calculating stock and working solutions, aliquoting and documentation.
Law & regulation ·
Research Use Only means for research purposes only, not for humans or animals. What the label means legally and practically, and the obligations that follow.
Substance profiles ·
AICAR and AOD-9604 compared: an AMPK activator and a growth hormone fragment, what cell, animal and human studies showed and where the evidence ends.
Law & regulation ·
Are peptides legal? Why the intended purpose decides, how research reagents differ from medicines and supplements, and what applies in the EU and the US.