The Lab

Reconstitution guides, a growing peptide reference, and bench-ready calculators. For research and educational reference only.

Gansulin click-dial pen uncapped beside a glass cartridge and insulin syringe on a lab bench.
Reusable Auto-Injector Pens vs. Click-Dial Pens: What Actually Matters on the Bench

Spring-assisted auto-dispense pens and manual click-dial pens meter volume identically — the difference is delivery. How the two reusable mechanisms compare as bench hardware. Read more...
A plain unlabeled vial and insulin syringe on a lab bench, with an arrow pointing toward a shipping box for disposal.
Sharps and Vial Disposal Basics

A plain-language reference on sharps containers, why needles are not recapped, and how used vials and sharps are safely contained and disposed. Read more...
A gansulin pen review highlighting the metal body and 3 ml cartridge for research reconstitution.
Best Reusable Pens for Research Reconstitution: The Gansulin Metal Pen

Reusable pens for research reconstitution deliver consistent measured volumes from every vial — see how the Gansulin Metal Pen performs as lab hardware. Read more...
Diagram of a U-100 syringe scale showing 10 to 100 units, with an arrow pointing to '100 units = 1 mL'.
U-100 vs U-40 Syringes: What the Numbers Mean

A reference explainer covering what the U-100 and U-40 scales mean, the units-per-milliliter behind each, and why reading the wrong scale produces measuring errors. Read more...
Overhead view of an insulin syringe under a magnifying glass, next to vials and a cartridge on a lab bench.
Insulin Syringe Sizes and Gauges Explained

A plain-language reference to insulin syringe barrel volumes, needle gauge and length, and what the U-100 marking means. Read more...
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