Question of the day
How does a peptide differ from a protein?
PEPTIDE MARKET PRESENTS
Dr. Peptide
Peptide science explained calmly, in English and Spanish.
AI-created virtual presenter · educational content, not medical advice
Diploma
Diploma · Peptide fundamentals
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Watch all 10 lessons to get your diploma.
Chapter 01
Foundations
What a peptide is, how it works and why science studies it.
010:12
Lesson 01
What is a peptide?
Episode 1 · The idea in twelve seconds
020:17
Lesson 02
What a peptide is and how it works
Messengers with precise instructions
030:17
Lesson 03
Why peptides are researched
Four major areas of study
Anatomy of a peptide: from amino acids to a signal
4 min
Reading · 4 min
Anatomy of a peptide: from amino acids to a signal
A short chain can carry considerable molecular information: its sequence, shape and surroundings explain how researchers investigate a potential cellular signal.
What science explores in four areas, explained without promises
4 min
Reading · 4 min
What science explores in four areas, explained without promises
Four areas organize scientific questions about peptides and other molecules, but every study requires attention to its model, measurements, and limits.
Chapter 02
Quality and safety
How what is inside a vial gets verified before you choose.
040:17
Lesson 04
Quality and safety before choosing
Four checks and a fifth
05New0:17
Lesson 05
Purity and identity: HPLC and mass spectrometry
Two tests per batch
06New0:17
Lesson 06
What 'research grade' means
Laboratory, not pharmacy
How a research-grade peptide is made and documented
4 min
Reading · 4 min
How a research-grade peptide is made and documented
From a defined sequence to a verifiable label, manufacturing brings together chemical transformations, analytical checks and documents that must tell a consistent story.
How to read a certificate of analysis: purity, identity, batch
4 min
Reading · 4 min
How to read a certificate of analysis: purity, identity, batch
A certificate of analysis brings together specific evidence about a sample; reading its fields separately reveals both its scope and its limits.
Chapter 03
Formats and storage
Lyophilized vials, oral strips and how to read a catalog.
070:17
Lesson 07
How to read a peptide catalog
Compound, milligrams, format and seal
08New0:17
Lesson 08
Lyophilized: why the vial arrives as a powder
The powder you should see
09New0:17
Lesson 09
How a vial and a strip are stored
Cold, dark and sealed
10New0:17
Lesson 10
Oral strips: the film that dissolves
The simplest format
Lyophilized vial or oral strip: what changes and what does not
4 min
Reading · 4 min
Lyophilized vial or oral strip: what changes and what does not
Packaging and storage distinguish two formats, but purity, identity, and batch documentation remain essential questions when reading a research material listing.
Chapter 04
Community questions
Episodes built from the topics you ask us for.
Term of the week
Agonist
A molecule that binds to a receptor and activates it, mimicking the natural signal.
Compound pages
Compound library
What each catalog compound is, where it comes from and how researchers study it. Educational content, not a promise.
Companion material
Resources to review the series at your own pace.
Dr. Peptide's notebook (PDF)
Downloadable PDF · EN / ES
Every lesson with its key points, transcript and room for your notes, plus the checklist and glossary.
Glossary
24 terms
The series terms explained in one line, linked to the related lesson.
What science explores
Four research areas
What researchers study today, told without shortcuts.
Metabolism and body composition
What researchers study
How certain peptide signals take part in appetite, energy and glucose use.
Not a promise: a research area.
See catalog vialsRepair and recovery
What researchers study
The role of some peptides in tissue repair processes studied in the lab.
Not a promise: a research area.
See catalog vialsSkin and collagen
What researchers study
The relationship between signaling peptides and collagen production in the skin.
Not a promise: a research area.
See Peptide Market StripsCellular longevity
What researchers study
How cells manage their energy and maintenance over time.
Not a promise: a research area.
See catalog vialsAsk Dr. Peptide
Ask calmly. She explains.
What a peptide is, how to read a label, what research grade means. For decisions about your health, always a licensed professional.
AI-created virtual presenter · educational content, not medical advice
Dr. Peptide
AI-created virtual presenter · educational content, not medical advice
Hi, I'm Dr. Peptide, an AI-created virtual presenter. I explain peptide science calmly: what peptides are, how to read a label and what research grade means. My content is educational, not medical advice. Where shall we start?
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Dr. Peptide is a virtual presenter created with artificial intelligence; she is not a healthcare professional. This content is educational and is not medical advice, diagnosis or treatment. Decisions about your health belong with a licensed professional. Research-grade products; sale to adults 18+ only.
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