Regeneration BPC-157 vs TB-500: similarities and differences
A comparison of BPC-157 and TB-500: origin, sequence, proposed mechanisms, preclinical models, limitations of the evidence and what to watch for when reading the literature.
Research use · informational overview
Informational content · no sales
Blog / 22 articles
What peptides are, what the research actually shows and where the limitations begin. With sources you can verify yourself.
Editorial standard
Every article is reviewed, sourced and clearly distinguishes between preclinical and clinical evidence.
More about the editorial policy
Latest A comparison of BPC-157 and TB-500: origin, sequence, proposed mechanisms, preclinical models, limitations of the evidence and what to watch for when reading the literature.
22 articles
Regeneration A comparison of BPC-157 and TB-500: origin, sequence, proposed mechanisms, preclinical models, limitations of the evidence and what to watch for when reading the literature.
Quality A practical framework for reading scientific papers on peptides: model, sample size, control, dose, outcome, limitations and independence of evidence.
Basics A glossary of peptide terms: amino acids, peptide bond, analogue, agonist, HPLC, MS, COA, RUO, half-life and more. Explanations in English.
Legal framework An overview of the status of peptides on the WADA list: which groups are prohibited, why the list is not the same as a list of medicines, and how to check a specific compound.
Quality How to read a Russian peptide label and batch documentation: batch number, catalogue number, salt form, purity, laboratory and traceability.
Basics The Russian peptide school has a long tradition. What origin in Russia means, how to judge quality, and why “Russian” alone is not a guarantee.
Basics Peptides and steroids differ in structure, mechanism, regulation and risks. An explanation of why they should not be equated and where misconceptions arise.
Quality Counterfeit peptides are a serious problem. Check the price, certificate, packaging and the supplier's communication, and learn to recognise the red flags.
Legal framework How Croatian and European legislation treats peptides, what research use means, when a product is a medicine, and what to watch for when importing.
Metabolism AOD-9604 is a fragment of human growth hormone (176–191). What studies show about lipolysis, body composition and why clinical results are mixed.
Quality A laboratory protocol for storing lyophilised peptides, preparing solutions, calculating concentration and preventing degradation.
Sleep Delta sleep-inducing peptide (DSIP) is an old neuropeptide often linked to sleep. A review of the evidence, limitations and questions for researchers.
Quality What do peptide purity figures mean? An explanation of the HPLC chromatogram, mass spectrometry, water and salt content, and the limits of analytical methods.
Immunity What immune peptides are, how they are studied, and what research actually shows about LL-37 and thymosin alpha-1. With the limits of evidence and the regulatory context.
Quality A practical guide through a peptide certificate of analysis: what information it must contain, what purity, identity and batch mean, and what the signs of a poor COA are.
Longevity A critical look at the Russian gerontological school: Epitalon, Thymalin and DSIP, the pineal gland, telomerase and the limitations of the available evidence.
Neuroscience An overview of the Russian neuropeptides Semax and Selank: origin, proposed mechanisms, studies on BDNF and anxiety, and the limits of clinical evidence.
Hormones How GH secretagogues work, how Ipamorelin, CJC-1295 without DAC and GHRP-6 differ, and what studies show about growth hormone.
Regeneration GHK-Cu is a complex of the tripeptide GHK and copper. An overview of research on collagen, elastin, wound healing and the differences between cosmetics and research use.
Regeneration What TB-500 is, how it differs from thymosin beta-4, and what preclinical research says about actin, cell migration and healing.
Starting points
If you are new to peptides, we recommend these texts. They explain the basics, quality, the legal framework and how to read the literature — in that order.
Editorial standard
How we select sources, review texts and publish corrections is described in the editorial policy.