Peptide Cold Chain & Shipping: What to Check When Vials Arrive
Why lyophilized peptide tolerates shipping, where the real degradation risks are, and a practical checklist for what to inspect when your vials arrive.
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Glass vs Plastic Storage Containers for Peptides
Glass vs plastic for storing peptide solutions: how surface adsorption causes losses, the material tradeoffs, and how to limit them.
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Light Sensitivity and Amber Vials: Protecting Photosensitive Peptides
Why some peptides are light-sensitive, how amber vials and dark storage protect them, and the photostability principles behind it.
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TRT (Testosterone) Side Effects: What the Evidence Shows
TRT side effects explained from the evidence: erythrocytosis, fertility, cardiovascular signals from the 2023 TRAVERSE trial, prostate considerations, and monitoring.
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New analytical method improves de novo sequencing of short peptides
Researchers at Kyushu University report a coumarin-tag method in Analytical Chemistry that improves accurate de novo sequencing of short peptides by mass spectrometry.
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Retatrutide’s Phase 3 diabetes data published in The Lancet and presented at ADA 2026
Retatrutide’s first Phase 3 type 2 diabetes trial, TRANSCEND-T2D-1, was published in The Lancet and presented with TRIUMPH-1 obesity data at ADA 2026.
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How Much BAC Water for a Target Concentration: The Reconstitution Math
How much BAC water for a target concentration? It is one division: water volume = vial amount divided by desired mg/mL. Worked examples, syringe math, and pitfalls.
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Common Peptide Reconstitution Mistakes (and How to Avoid Them)
The six most common peptide reconstitution mistakes — shaking, wrong diluent, jetting onto the powder, bad math, contamination, and storage slips — and how to avoid each.
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What DAC Means on a Peptide: Drug Affinity Complex Explained
DAC (Drug Affinity Complex) lets a peptide bind your own albumin to last days instead of minutes, with CJC-1295 as the classic example.
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Freeze-Thaw Cycles and Aliquoting Peptides
Why repeated freeze-thaw degrades peptides and how aliquoting limits the damage.