01Foundations
Reconstitution 101
A general, vial-focused walkthrough for understanding the reconstitution process from start to finish.
Watch the Rumble tutorial↗Classroom resource
HOW-TO
VIDEOS
Practical video guides for the hands-on parts of peptide research—organized in one place so you can find the right walkthrough quickly.
✦
A quick note from Rueben
I’m happy to build the resources here, but I’ll be the first to admit when someone else explains something better. Peptide Critic has some excellent hands-on tutorials, so I’m pointing you directly to their original videos and gathering the most useful ones here for you.
Keep the context in mind. These are educational videos about research materials and handling. They are not medical advice, dosing instructions, or a substitute for qualified professional guidance.
The library
Featured
tutorials
A short collection of carefully chosen tutorials from Peptide Critic, with Rumble mirrors used where available. More topics can be added as they become useful.
02Semax + Selank
Make a Nasal Spray
Supplies, setup, practical do’s and don’ts, and common mistakes for preparing a Semax or Selank nasal spray.
Open the Peptide Critic guide↗03Pen basics
Fill Your Pen
A step-by-step walkthrough for loading a pen cartridge, assembling the pen, and purging trapped air.
Watch the Rumble tutorial↗04Pen filtration
Filter Into a Pen
A focused guide to filtering a reconstituted peptide directly into a pen cartridge with clean handling.
Open the Peptide Critic guide↗Created by a member
Bad Grandpa
Production Presents
Bad Grandpa is a member of our group and made each of these videos himself. A big thank-you for creating and sharing them with the community.
01Member-created
Part 1 (Injecting With A Pen)
Watch in our Classroom↗02Member-created
Part 2 (Differences Between Pen Versions)
Watch in our Classroom↗03Member-created
Part 3 (Setup And Loading A Pen)
Watch in our Classroom↗Current version 20261003-082307 · Updated October 3, 2026 at 8:37:26 AM MDT