The reference library
Source-cited, neutral write-ups on the compounds in our catalog: reconstitution technique, the published literature, and how to verify quality.
For research and educational purposes only. Nothing here is medical advice or a usage recommendation, and none of these materials are for human or animal consumption. These statements have not been evaluated by the FDA.
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Why Is My Reconstituted Peptide Solution Cloudy?
Read →: Why Is My Reconstituted Peptide Solution Cloudy?Cloudiness after reconstitution has four common causes, and only one of them means the material is compromised. How to tell them apart.
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Why Do Peptides Ship as a Powder Instead of Pre-Mixed?
Read →: Why Do Peptides Ship as a Powder Instead of Pre-Mixed?Freeze-drying is not a packaging convenience. Removing water is what makes a peptide stable enough to ship and store at all.
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What Is Bacteriostatic Water, and Why Benzyl Alcohol?
Read →: What Is Bacteriostatic Water, and Why Benzyl Alcohol?The standard diluent for peptide reconstitution, what the 0.9% benzyl alcohol is doing, and why sterile and distilled water are not substitutes.
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The Powder in My Vial Shifted or Looks Missing – Is That a Problem?
Read →: The Powder in My Vial Shifted or Looks Missing – Is That a Problem?A lyophilized cake weighs very little and moves in transit. Why a vial can look nearly empty and still contain exactly what the label…
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Sermorelin vs Tesamorelin vs CJC-1295: Three GHRH Analogs Compared
Read →: Sermorelin vs Tesamorelin vs CJC-1295: Three GHRH Analogs ComparedAll three act at the same receptor. They differ in fragment length, stability and how much published human data stands behind each.
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PT-141 vs Melanotan II: A Derivative and Its Parent Compound
Read →: PT-141 vs Melanotan II: A Derivative and Its Parent CompoundPT-141 is derived from Melanotan II. What changed between them is receptor selectivity, and that is the whole distinction.
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IGF-1 LR3 vs Native IGF-1: What the LR3 Modification Changes
Read →: IGF-1 LR3 vs Native IGF-1: What the LR3 Modification ChangesLR3 is not a strength or a grade. It is a structural modification that changes how the molecule interacts with its binding proteins.
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Epithalon vs NAD+: Very Different Evidence Behind a Shared Label
Read →: Epithalon vs NAD+: Very Different Evidence Behind a Shared LabelBoth are marketed under the anti-ageing heading. One is a coenzyme central to cell metabolism with a broad literature; the other is a short…
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Do Research Peptides Survive Shipping Without Ice?
Read →: Do Research Peptides Survive Shipping Without Ice?Lyophilized peptides are shipped at ambient temperature by design. What actually degrades them, and why transit is not the risk most people assume.
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5-Amino-1MQ vs MOTS-c: Two Routes Into Metabolic Research
Read →: 5-Amino-1MQ vs MOTS-c: Two Routes Into Metabolic ResearchOne is a small-molecule enzyme inhibitor, the other a mitochondrial-derived peptide. They are not the same class of compound at all.