20 molecules, explained in plain language by someone who actually read the papers. Tap a card to open its notes.
SORT: 01→20·MODE: in-vitro
A peptide is a short chain of amino acids — the same building blocks that make up proteins. Because the chain is short, a peptide usually acts like a signal rather than a structure.
It is mostly length. Chains of roughly 50 amino acids or fewer are called peptides; longer chains fold into proteins. Shorter chains are simpler to make and easier to study.
Many peptides copy signals the body already uses, so researchers use them to probe repair, metabolism, and cell communication in the lab. Most of the published work is cell-culture and animal research.
In-vitro means the work happens outside a living body — in cells, tissue, or glassware. Research-only material is sold for that laboratory work and is not intended for human or animal use.
Rules vary by country and by molecule. Many peptides can be sold as laboratory research chemicals while not being approved as medicines, which is a different legal category from a prescription drug.
A certificate of analysis reports what an independent test found in a specific batch — usually purity by HPLC and identity by mass spectrometry. Read the batch number and the date, not just the headline percentage.
Lyophilized (freeze-dried) peptide powder is generally kept cold, dry, and out of light. Once a peptide is in solution it is far less stable, which is why labs note the date a vial was reconstituted.
One molecule can carry a research code, a sequence name, and a brand name at once — BPC-157 and Pentadecapeptide BPC 157, for example. Checking the amino-acid sequence is the only reliable way to compare two labels.
🔬 SIMPLE SCIENCE
In lab and animal models, BPC-157 activates signals involved in repairing damaged tissue.
I got tired of peptide information being either marketing copy or papers nobody can read. So I read the research and wrote it down in normal language, one card per molecule. That is all this is — notes, kept honest and kept short.
🧪 These descriptions explain the known biology and published research behind each molecule. They do not guarantee effects from any product. All materials referenced are sold strictly for in-vitro laboratory research and are not intended for human or animal use.