Plain-English guides to research compounds — what they are, how they differ, and what the evidence does and doesn't show. How we write and check these.

PT-141 is bremelanotide, which the FDA approved as Vyleesi in 2019. Here is where it came from, what the two big trials…
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TB-500 is sold on the strength of research into thymosin beta-4, a 43-amino-acid repair protein. Here is what TB-500 actually is, which…
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Epithalon is a four-amino-acid peptide modelled on a cattle pineal extract, best known for telomere claims. Here is who did the research,…
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CBL-514 went viral after a diabetes conference abstract reported less visceral fat on MRI. Here is what the developer's phase 2 data…
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KPV is three amino acids clipped from the end of alpha-MSH. Here is what the cell and mouse colitis studies found, how…
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BPC-157 has a huge animal literature and almost nothing in people. Here is what the human record actually holds, what the FDA's…
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Peptide Carl gave our GLP-1 explainer 6/10 and we accept it. Here is the fix: semaglutide, tirzepatide and retatrutide trials, side effects…
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MOTS-c is a 16-amino-acid peptide coded in mitochondrial DNA rather than the nucleus. Here is what the mouse work found, what little…
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SS-31 is a four-amino-acid peptide aimed at the inner wall of the mitochondria. As elamipretide it won an accelerated FDA approval in…
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Dry powder vs solution, fridge vs room temperature, and why there is no single shelf life: a plain guide to peptide vial…
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