The Lab

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

An SS-31 peptide vial stored next to a thermometer inside a chilled lab mini-fridge before reconstitution.
SS-31 (Elamipretide): Reference Overview and Reconstitution Notes

SS-31 (elamipretide) is a mitochondria-targeting tetrapeptide grouped with cellular energy and mitochondrial-function research compounds. It has received regulatory clearance for one rare indication (Barth syndrome), while remaining investigational and not... Read more...
Two unlabeled vials on a lab bench, one clear and one cloudy with sediment under a magnifying glass.
Signs a Reconstituted Vial Has Gone Bad

A reference guide to the visual and physical cues, such as cloudiness, color change, and particulates, that indicate a reconstituted research vial should be set aside. Read more...
Illustration of a PT-141 vial, a diluent vial, and a syringe with an arrow showing the reconstitution process.
PT-141 (Bremelanotide): Reference Overview and Reconstitution Notes

PT-141 (bremelanotide) is a synthetic melanocortin receptor agonist peptide grouped with reproductive and sexual-health compounds, and it holds a narrow FDA approval for one specific indication. Read more...
A glass cartridge, vials, and a syringe rest on an ice pack on a lab bench next to a small fridge.
How to Store Reconstituted Peptides: Fridge, Freezer and Light

A plain-language reference on how lyophilized and reconstituted research peptides are stored across refrigerator and freezer temperatures, with notes on light exposure and freeze-thaw handling. Read more...
An unlabeled vial of white powder next to a beaded chain and a magnifying glass on a lab bench.
Peptide Research Glossary

A plain-language glossary defining common peptide research terms, including reconstitution, lyophilized, concentration, U-100, bacteriostatic water, aliquot, diluent, and the units mcg, mg, and IU. Read more...
Ink-and-wash illustration of a labeled MOTS-c vial, clock, syringe, thermometer, and unlabeled vial on a lab bench.
MOTS-c: Reference Overview and Reconstitution Notes

MOTS-c is a 16-amino-acid mitochondrial-derived peptide grouped with metabolic and mitochondrial-function research compounds, not approved by any regulator for any indication and prohibited under the WADA Prohibited List as an... Read more...
A vial labeled MK-677, a vial of bacteriostatic water, and a syringe on a lab bench near a mini fridge.
MK-677 (Ibutamoren): Reference Overview and Reconstitution Notes

MK-677 (Ibutamoren) is a non-peptide, orally active small molecule in the growth-hormone secretagogue / ghrelin-mimetic class, studied within metabolic and growth-hormone-axis research, and it is not FDA-approved (research-only). 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...
Cagrilintide peptide vial beside a syringe and timer, illustrating the reconstitution process and dissolution time.
Cagrilintide: Reference Overview and Reconstitution Notes

Cagrilintide is a long-acting amylin analog peptide grouped under metabolic and weight-regulation research, and it remains investigational, not approved by any regulator for any indication. Read more...
An uncapped Gansulin pen, its cap, and a glass cartridge with an arrow showing how to load it on a lab bench.
How to load a cartridge pen

A step-by-step walkthrough of seating a 3 ml cartridge in a reusable pen, attaching a needle, and priming out air, using the Gansulin metal pen as the example. Read more...
An uncapped Gansulin pen on a lab bench with a magnifying glass highlighting its dose-counter window.
How a precision click-dial pen works: reading the unit counter window and the click

A plain-English tour of the reusable metal cartridge pen: the dose knob, the dose window, the audible click, and the end-of-travel stop. Read more...
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