The Lab

Preppin Peppers' research library. Reconstitution guides, a growing peptide reference database, and bench-ready calculators, all in one place. For research and educational reference only.

The Lab

Gansulin reusable reconstitution pen, green anodized body with black dose dial
Best Reusable Pens for Research Reconstitution: The Gansulin Metal Pen

For research and educational reference only. Preppin Peppers sells laboratory hardware and materials (reconstitution pens, cartridges, and bacteriostatic water); it does not sell peptides or any substance for consumption. This... Read more...
A glass vial of freeze-dried lyophilized powder
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...
A glass vial of freeze-dried lyophilized powder
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...
Reconstitution supplies with the green Gansulin pen
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...