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.

Get more of The Lab in your Google results
Browse The Lab by topic

The Lab

Reconstitution supplies with the green Gansulin pen
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...
Why your protein condensates age into amyloid faster than
Why your protein condensates age into amyloid faster than

What hnRNPA2B1 is Heterogeneous nuclear ribonucleoprotein A2B1 (hnRNPA2B1) is an RNA-binding protein whose C-terminal low-complexity domain drives liquid-liquid phase separation, the formation of membraneless organelles such as nuclear speckles and... Read more...
What decides degradation speed, and why it matters to you
What decides degradation speed, and why it matters to you

What MTREC is MTREC is a two-part yeast protein machine built from the helicase Mtl1 and its partner Red1, which captures unwanted RNA inside a cell and hands it off... Read more...
Why your peptide pen's click dial quietly cheats your math
Why your peptide pen's click dial quietly cheats your math

What it is A reusable peptide pen is a metal or hard-plastic barrel that holds a swappable 3 ml glass cartridge and uses a mechanical click dial to meter small,... Read more...
Vilon research image
Vilon: Reference Overview and Reconstitution Notes

Vilon is a synthetic dipeptide (lysine-glutamate) from the Khavinson short-peptide bioregulator family, studied mainly in Russian immune and aging literature. It is research-only and not FDA-approved. Read more...
Melatonin research image
Melatonin: Reference Overview and Reconstitution Notes

Melatonin is an indoleamine hormone produced by the pineal gland, not a peptide. In the United States it is sold as a dietary supplement rather than an approved drug. Read more...
Hyaluronic acid research image
Hyaluronic acid: Reference Overview and Reconstitution Notes

Hyaluronic acid is a glycosaminoglycan, not a peptide. It is FDA-approved in specific device forms including dermal fillers, joint viscosupplements and ophthalmic products. Read more...
Glutathione research image
Glutathione: Reference Overview and Reconstitution Notes

Glutathione is an endogenous tripeptide antioxidant (glutamate-cysteine-glycine). Oral forms are sold as dietary supplements; injectable glutathione is not FDA-approved for the uses it is often marketed for. Read more...
AICAR research image
AICAR: Reference Overview and Reconstitution Notes

AICAR is an AMP-mimetic nucleoside and AMPK activator, not a peptide. It is PROHIBITED at all times under WADA S4.5 and has been since 2009. Read more...
AHK-Cu research image
AHK-Cu: Reference Overview and Reconstitution Notes

AHK-Cu is a copper-binding tripeptide (alanine-histidine-lysine) studied in hair follicle and skin research; it is research-only and not FDA-approved for human use. Read more...
Adipotide research image
Adipotide: Reference Overview and Reconstitution Notes

Adipotide (FTPP) is a synthetic proapoptotic peptidomimetic studied in obesity research; it is not FDA-approved, and its clinical development was discontinued after dose-limiting kidney toxicity. Read more...
Why CHS Quietly Stabilizes Your Membrane Proteins
Why CHS Quietly Stabilizes Your Membrane Proteins

What CHS Is Cholesteryl hemisuccinate (CHS) is a cholesterol-derived sterol compound added to membrane protein solubilization buffers as a research reagent. It stabilizes membrane proteins through a sequence-independent sterol scaffold... Read more...
Retatrutide + Cagrilintide research vials on a lab bench
Retatrutide + Cagrilintide: Incretin Plus Amylin

Retatrutide, a triple GLP-1/GIP/glucagon agonist, paired with Cagrilintide, an amylin analog. Educational lab reference on an untested peptide combination. Read more...
Retatrutide + Tirzepatide research vials on a lab bench
Retatrutide + Tirzepatide: What the Pairing Actually Is

Retatrutide, a triple GLP-1/GIP/glucagon agonist, paired with Tirzepatide, a dual GIP/GLP-1 agonist. Educational lab reference on an untested peptide combination. Read more...
Bacteriostatic water vials, three-quarter view
What Is Bacteriostatic Water and Why Does It Matter for Peptides?

What bacteriostatic water is, what its USP label actually specifies (0.9% benzyl alcohol, pH 5.7, room-temperature storage), and why the preservative — not purity — is what makes a peptide... Read more...
Why your AP-site DNA templates slip when you least expect it
Why your AP-site DNA templates slip when you least expect it

What HMCES Does HMCES is a protein that forms a covalent cross-link to AP (abasic) sites in single-stranded DNA, a repair intermediate studied using synthetic abasic oligonucleotides and cell-free extract... Read more...
Why Your Autophagy Inducers Keep Hitting mTORC1
Why Your Autophagy Inducers Keep Hitting mTORC1

What a DKP is DKPs are the smallest possible cyclic peptides: two amino acids joined head-to-tail into a six-membered ring with two carbonyls flanking two nitrogens. Stereochemistry at each residue... Read more...
Your pre-filled peptide pen is probably lying to you
Your pre-filled peptide pen is probably lying to you

For research and educational reference only. PreppinPeppers sells laboratory hardware and materials (reconstitution pens, cartridges, and bacteriostatic water); it does not sell peptides or any substance for consumption. This is... Read more...
Why your vigor peptide pen dial reading may be off
Why your vigor peptide pen dial reading may be off

What it is A vigor peptide pen is a reusable, metal-barreled dispensing device that holds a standard 3 ml glass cartridge and lets researchers dial in precise volumes of reconstituted... Read more...
Reconstitution supplies with the green Gansulin pen
Why your reusable peptide pen keeps wasting vial

What it is A reusable peptide pen is a metal-bodied, click-dosing injector that holds a 3 ml glass cartridge so researchers can reconstitute a freeze-dried powder once and draw measured... Read more...
Your peptide pen is less precise than you think
Your peptide pen is less precise than you think

Reagent pen precision A peptide reconstitution pen is a mechanical laboratory device used to measure and dispense small volumes of diluent for research preparations. Published tolerances for these pens range... Read more...
Your Vials Are Stealing Your Peptides From the Walls
Your Vials Are Stealing Your Peptides From the Walls

Container Wall Adsorption Container wall adsorption is the loss of peptide material to the interior surfaces of the tubes and vials used to hold samples during laboratory handling. Longer and... Read more...
Reconstitution supplies with the green Gansulin pen
Your peptide pen is ruining your reconstitution accuracy

What It Is A peptide pen is a reusable laboratory device that meters precise volumes of diluent for reconstituting lyophilized peptides. The cartridge is loaded with diluent, the volume is... Read more...
Your pepper pen click delivers less than you think
Your pepper pen click delivers less than you think

What it is A pepper pen is a reusable, metal-bodied laboratory pen that accepts a standard 3 ml glass cartridge, lets researchers load their own reconstituted peptide solution, and dispenses... Read more...