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.

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The Lab

Pre-mixed peptides are a gamble you don't need to take
Pre-mixed peptides are a gamble you don't need to take

What a pre-mixed peptide is A pre-mixed peptide is a compound that has already been dissolved in liquid and shipped in that form, rather than supplied as a dry lyophilized... Read more...
What pre-mixed peptide pens don't tell you about dilution
What pre-mixed peptide pens don't tell you about dilution

What it is 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... Read more...
PNC-27 research image
PNC-27: Reference Overview and Reconstitution Notes

PNC-27 is a synthetic chimeric peptide combining a p53-derived HDM-2-binding sequence with a membrane-penetrating leader, studied within oncology and cancer-cell-biology research, and it is research-only and not FDA-approved. Read more...
Pinealon research image
Pinealon: Reference Overview and Reconstitution Notes

Pinealon is a synthetic short-chain tripeptide of the Khavinson bioregulator family, grouped under cognitive and neuroprotective research, and is not FDA-approved and handled as a research-only compound. Read more...
A vial of bacteriostatic water
Peptide Reconstitution: The Reddit Questions, Answered

Peptide reconstitution questions from Reddit, answered: how much bacteriostatic water to add, final concentration math, and lab handling notes for research. Read more...
Reconstitution supplies with the green Gansulin pen
Common Reconstitution Mistakes to Avoid

A plain-language reference covering the handling and math errors that most often compromise a reconstituted research vial, from solvent choice to labeling. Read more...
Peptide Pen Use: The Accuracy Hack Researchers Miss
Peptide Pen Use: The Accuracy Hack Researchers Miss

What it is 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... Read more...
Peptide Pen Guide: Metal vs Plastic, Dead Volume & Metering
Peptide Pen Guide: Metal vs Plastic, Dead Volume & Metering

What it is A peptide pen is a reusable, precision-machined metal instrument used in laboratory settings to deliver a specific volume of diluent into a vial during peptide reconstitution. It... Read more...
Peptide Pen Dead Volume: Are You Wasting $100 of Your Vial?
Peptide Pen Dead Volume: Are You Wasting $100 of Your Vial?

What It Is 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... Read more...
Pemvidutide research image
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...
PEG-MGF research image
PEG-MGF: Reference Overview and Reconstitution Notes

PEG-MGF is a pegylated peptide derivative of Mechano Growth Factor (a splice variant of IGF-1) studied as a growth factor in muscle and tissue-repair research, and it is a research-only... Read more...
PE-22-28 research image
PE-22-28: Reference Overview and Reconstitution Notes

PE-22-28 is a short synthetic spadin-derived peptide and TREK-1 potassium channel blocker studied in the neuroscience and mood-research category, and it is a research-only compound that is not FDA-approved. Read more...
Pancragen research image
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...
Oxytocin research image
Oxytocin: Reference Overview and Reconstitution Notes

Oxytocin is a nine-amino-acid peptide hormone that is FDA-approved as a uterotonic for specific obstetric indications, is also studied in the context of social and behavioral neuroscience, and is not... Read more...
Ovagen research image
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...
One-Step N-Terminal Tagging That Anchors Proteins to
One-Step N-Terminal Tagging That Anchors Proteins to Liposome Membranes

What it is 1H-1,2,3-triazole-4-carbaldehyde (TA4C) is a small-molecule aldehyde reagent used in research to alkylate the N-terminal α-amino group of native proteins in a single aqueous step. Pre-loaded with an... Read more...
NAD+ research image
NAD+ (Nicotinamide Adenine Dinucleotide): Reference Overview and Reconstitution Notes

NAD+ is a naturally occurring pyridine-nucleotide coenzyme grouped with metabolic and anti-aging or longevity research compounds, and its injectable form is research-only and not FDA-approved as a drug. Read more...
N-Acetyl Epitalon Amidate research image
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...
MGF research image
MGF (Mechano Growth Factor): Reference Overview and Reconstitution Notes

MGF is a synthetic splice variant of IGF-1 (IGF-1Ec) in the growth-factor family, studied in the context of muscle repair and satellite-cell activation, and it is a research-only compound not... Read more...
Melanotan II research image
Melanotan II: Reference Overview and Reconstitution Notes

Melanotan II is a synthetic cyclic peptide analog of alpha-melanocyte-stimulating hormone, grouped with skin and cosmetic research compounds, and it is research-only and not FDA-approved. Read more...
Melanotan I research image
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, and it is FDA-approved for a specific indication (phototoxicity in erythropoietic... Read more...
Mazdutide research image
Mazdutide: Reference Overview and Reconstitution Notes

Mazdutide is a synthetic oxyntomodulin-based dual GLP-1/glucagon receptor agonist peptide grouped under metabolic and weight regulation, approved in China for obesity but not FDA-approved and treated as investigational elsewhere. Read more...
Matrixyl research image
Matrixyl: Reference Overview and Reconstitution Notes

Matrixyl is a trade name for palmitoyl signal peptides (matrikines) used as topical cosmetic actives, studied in the skin and anti-aging category, and regulated as a cosmetic ingredient rather than... Read more...
LL-37 research image
LL-37: Reference Overview and Reconstitution Notes

LL-37 is a human cathelicidin-family antimicrobial peptide grouped under immune and host-defense research, and it is a research-only compound that is not FDA-approved for exogenous therapeutic use. Read more...