The Lab

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

A vial labeled Tesamorelin in a wire rack next to an insulin syringe and a thermometer on a lab bench.
Tesamorelin: Reference Overview and Reconstitution Notes

Tesamorelin is a stabilized synthetic analog of growth-hormone-releasing factor (a growth-hormone secretagogue) studied in the context of metabolic and visceral-fat research. It has regulatory clearance for a specific HIV-associated indication... Read more...
A Teriparatide vial in a wire rack on a lab bench next to an insulin syringe, with a lab fridge in the background.
Teriparatide: Reference Overview and Reconstitution Notes

Teriparatide is a recombinant parathyroid hormone fragment (PTH 1-34) in the osteoanabolic bone-formation class, and it has regulatory clearance for a specific osteoporosis indication in some jurisdictions; it is not... Read more...
Mismatched glass cartridge failing to fit a Gansulin pen, with a beaded chain spilling to show wasted peptides.
Stop Wasting Peptides with the Wrong Reusable Pen

A reusable reconstitution pen is a laboratory hardware tool, typically made of stainless steel and glass, used in research settings to dispense precise volumes of diluent such as bacteriostatic water... Read more...
An uncapped Gansulin pen next to a glass cartridge, with a magnifying glass highlighting trapped liquid waste.
Stop Wasting Peptides: The Dirty Secret of "Peppy Pens"

A peptide pen is a reusable laboratory dispensing instrument that holds a standard 3 ml glass cartridge and uses a click-dial metering system to dispense precise, small volumes of reconstituted... Read more...
Illustration of peptide beads trapped in a syringe hub during cartridge transfer, showing dead-space loss.
Stop losing your peptide when filling cartridges

Cartridge filling is the laboratory step of moving a reconstituted peptide solution from its preparation vial into a precision glass cartridge for research storage, a transfer that can quietly waste... Read more...
A labeled vial of SLU-PP-332 powder next to an arrow pointing to a vial of clear reconstituted liquid.
SLU-PP-332: Reference Overview and Reconstitution Notes

SLU-PP-332 is a synthetic small-molecule pan-ERR (estrogen-related receptor) agonist studied in the metabolic and exercise-physiology research category, and it is research-only and not FDA-approved. Read more...
A labeled SNAP-8 vial on a lab bench next to a syringe, ice pack, small clock, and notebook.
SNAP-8 (Acetyl Octapeptide-3): Reference Overview and Reconstitution Notes

SNAP-8 (Acetyl Octapeptide-3) is a synthetic eight-amino-acid cosmetic peptide of the neuromuscular-modulating class, studied in the skin and cosmetic research category, and it is not an FDA-approved drug. 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 vial of Sermorelin powder, a vial of bacteriostatic water, a syringe, and an ice pack on a lab bench.
Sermorelin: Reference Overview and Reconstitution Notes

Sermorelin is a synthetic growth-hormone-releasing hormone (GHRH 1-29) peptide analog studied as a growth-hormone secretagogue, currently research-only with no active FDA-approved commercial product and prohibited in sport under the WADA... Read more...
Comparison showing how a reusable peptide pen and single cartridge replace a wasteful pile of disposable syringes.
Reusable Peptide Pen Cuts Waste and Boosts Bench Accuracy

A reusable peptide pen is a precision-engineered metal laboratory tool for research-use reconstitution work. It holds a 3 ml glass cartridge and uses a calibrated dial to measure and transfer... Read more...
Diagram of reconstitution steps on a lab bench next to a small lab fridge, wall clock, and thermometer.
How Long Does a Reconstituted Vial Last?

A reference overview of the general refrigerated shelf-life window for a reconstituted vial, when the clock starts, and the storage factors that affect it. Read more...
A Prostamax vial, bacteriostatic water, and a syringe on a lab bench next to an ice pack and thermometer.
Prostamax: Reference Overview and Reconstitution Notes

Prostamax is a synthetic short-chain peptide bioregulator in the Khavinson family associated with prostate tissue, studied within the anti-aging and tissue-specific research category and supplied as a research-only compound that... Read more...
Three-step diagram showing how to reconstitute lyophilized powder safely instead of buying risky pre-mixed peptides.
Pre-mixed peptides are a gamble you don't need to take

A pre-mixed peptide is a research compound the seller has already dissolved into liquid before shipping it to you, instead of sending it as a dry, lyophilized (freeze-dried) powder that... Read more...
A magnifying glass highlights a Gansulin pen's fixed cartridge beside a plain vial and syringe for custom dilution.
What pre-mixed peptide pens don't tell you about dilution

A pre-mixed peptide pen is a sealed glass cartridge of peptide and diluent combined before sale, housed in a pen with a click-dial plunger, sold as research hardware rather than... Read more...
An open shipping box on a bench containing a 3 ml glass cartridge, a blue-capped vial, and an insulin syringe.
What Reddit Recommends in a Peptide Starter Kit

Reddit's top peptide starter kit picks, fact-checked with reconstitution math and handling notes for researchers ready to build a reliable lab setup. Read more...
Diagram of a U-100 syringe and a 1 mL vial on a lab bench with a calculator, showing 100 units equals 1 mL.
Reconstitution Calculator: The Reddit Math, Automated

Peptide reconstitution calculator for research labs: automate the water-to-units math Reddit keeps asking, with verified formulas and handling notes. Read more...
A magnifying glass enlarges the Gansulin pen's dose window to show the precision required for the accuracy hack.
Peptide Pen Use: The Accuracy Hack Researchers Miss

A peptide pen is a precision laboratory tool for reconstituting peptides in a research setting. It draws a measured volume of diluent into a glass cartridge and dispenses it with... Read more...
Magnifying glass showing dead volume droplet on a Gansulin pen tip next to a fine syringe for metering comparison.
Peptide Pen Guide: Metal vs Plastic, Dead Volume & Metering

A peptide pen is a reusable, precision-machined metal instrument used in laboratory settings to meter a specific, repeatable volume of diluent into a vial during peptide reconstitution. In place of... Read more...
A Gansulin pen beside a cartridge with leftover liquid and an insulin syringe illustrating recovered dead volume.
Peptide Pen Dead Volume: Are You Wasting $100 of Your Vial?

Peptide pen dead volume is the small amount of reconstituted liquid that remains trapped inside the needle and cartridge tip after a draw is completed. It is a physical property... Read more...
A vial labeled Pemvidutide, a syringe, an unlabeled vial of water, and an ice pack on a lab bench.
Pemvidutide: Reference Overview and Reconstitution Notes

Pemvidutide is an investigational, lipidated GLP-1 and glucagon dual receptor agonist peptide studied in the context of metabolic and weight regulation and liver fat, and it is not FDA-approved. Read more...
A Pancragen vial undergoing reconstitution next to a timer, illustrating the passive dissolving phase.
Pancragen: Reference Overview and Reconstitution Notes

Pancragen is a synthetic short-chain peptide of the Khavinson bioregulator family, grouped with metabolic and endocrine research peptides, and is a research-only compound that is not FDA-approved. Read more...
An Ovagen vial, syringe, bacteriostatic water vial, notebook, pencil, and ice pack on a lab bench.
Ovagen: Reference Overview and Reconstitution Notes

Ovagen is a synthetic short-chain peptide of the Khavinson bioregulator family, grouped under liver and gastrointestinal tissue bioregulators, and it is a research-only compound that is not FDA-approved. Read more...
A vial of N-Acetyl Epitalon Amidate on a notebook next to a syringe, an unlabeled vial, and a thermometer.
N-Acetyl Epitalon Amidate: Reference Overview and Reconstitution Notes

N-Acetyl Epitalon Amidate is a terminally modified synthetic tetrapeptide of the Khavinson bioregulator family, grouped with anti-aging and longevity peptides, and it is a research-only compound that is not FDA-approved. Read more...
A labeled Melanotan I vial, an unlabeled liquid vial, and a syringe on a sunlit lab bench.
Melanotan I: Reference Overview and Reconstitution Notes

Melanotan I (afamelanotide) is a synthetic melanocortin-1 receptor (MC1R) agonist peptide grouped with skin, pigment, and photoprotection research compounds. It is studied in connection with phototoxicity related to erythropoietic protoporphyria,... Read more...
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