Guides

Why lyophilized peptide tolerates shipping, where the real degradation risks are, and a practical checklist for what to inspect when your vials arrive.

Glass vs plastic for storing peptide solutions: how surface adsorption causes losses, the material tradeoffs, and how to limit them.

Why some peptides are light-sensitive, how amber vials and dark storage protect them, and the photostability principles behind it.

TRT side effects explained from the evidence: erythrocytosis, fertility, cardiovascular signals from the 2023 TRAVERSE trial, prostate considerations, and monitoring.

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.

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.

DAC (Drug Affinity Complex) lets a peptide bind your own albumin to last days instead of minutes, with CJC-1295 as the classic example.

Why repeated freeze-thaw degrades peptides and how aliquoting limits the damage.

The two insulin-syringe scales, the 2.5x misread risk, and how to tell them apart.

What to record on a reconstituted vial, and how to make labels that last.