Peptide database

Browse peptide guides by topic.

Search educational peptide profiles, compare evidence context, and jump into topic-based guides as the database grows.

Recovery TB-500 vial mockup

Research peptide

TB-500

A commonly searched peptide topic that needs careful separation between research context, informal claims, and evidence quality.

research literacyclaims review
Type
Injectable research peptide
Half-life
Not well established in humans
Dose
No standardized human dose; informal ranges are not dosing guidance.
Recovery BPC-157 vial mockup

Research peptide

BPC-157

Often discussed online, making it a good candidate for a source-first overview of terminology, study types, and limitations.

terminologyevidence context
Type
Research peptide; routes vary in studies
Half-life
Not well established in humans
Dose
No approved or standardized dose; study context varies.
Skin & Hair GHK-Cu vial mockup

Copper peptide

GHK-Cu

A peptide frequently associated with skin-care and biology discussions, suited for a plain-English ingredient and research explainer.

skin researchingredient literacy
Type
Copper peptide; topical and research contexts
Half-life
Product and study dependent
Dose
Varies by cosmetic product or study design; no universal dose.
Hormone Signaling CJC-1295 vial mockup

Modified peptide

CJC-1295

A topic where readers benefit from clear definitions around analogs, mechanisms discussed in research, and claim strength.

analog basicsmechanism notes
Type
Injectable modified peptide analog
Half-life
Formulation dependent
Dose
Study/protocol dependent; no FDA-approved dosing.
Hormone Signaling Ipamorelin vial mockup

Peptide analog

Ipamorelin

A useful future profile for explaining receptor language, research endpoints, and why casual summaries can overstate findings.

receptorsstudy design
Type
Injectable peptide analog
Half-life
Short; study dependent
Dose
Study/protocol dependent; no FDA-approved dosing.
Weight Loss Semaglutide vial mockup

Peptide-based medicine

Semaglutide

A familiar example for explaining how peptide-related molecules can appear in regulated medical contexts as well as public discussion.

regulated medicinepublic claims
Type
GLP-1 receptor agonist medicine
Half-life
About 1 week
Dose
Prescription-only; label-directed dosing varies by indication.
Weight Loss Tirzepatide vial mockup

Peptide-based medicine

Tirzepatide

A dual-incretin medicine often discussed in weight-management contexts, useful for explaining regulated therapies versus casual peptide marketing.

regulated medicinemetabolic research
Type
GIP/GLP-1 receptor agonist medicine
Half-life
About 5 days
Dose
Prescription-only; label-directed dosing varies by indication.
Weight Loss Retatrutide vial mockup

Investigational peptide medicine

Retatrutide

An investigational once-weekly triple hormone receptor agonist being studied across obesity, type 2 diabetes, and related cardiometabolic conditions.

clinical trialstriple agonistmetabolic research
Type
Investigational multi-receptor agonist
Half-life
Multi-day; trial protocol dependent
Dose
Clinical-trial protocol dependent; not an approved consumer dose.
Weight Loss Cagrilintide vial mockup

Investigational peptide analog

Cagrilintide

A long-acting amylin analog candidate that is often discussed alongside metabolic research and combination-therapy headlines.

amylin analogclinical trials
Type
Investigational amylin analog
Half-life
Long-acting; study dependent
Dose
Clinical-trial protocol dependent; not an approved consumer dose.
Metabolic Health Tesamorelin vial mockup

Peptide-based medicine

Tesamorelin

A regulated peptide medicine topic that can help readers understand indication-specific approvals and why context matters.

regulated medicineindication context
Type
Injectable GHRH analog medicine
Half-life
Short; label context varies by measurement
Dose
Prescription-only; label-directed for approved indication.
Metabolic Health MOTS-c vial mockup

Mitochondrial-derived peptide

MOTS-c

A mitochondrial-derived peptide discussed in metabolism research, suited for explaining early-stage evidence and mechanistic claims.

metabolismmechanism notes
Type
Mitochondrial-derived research peptide
Half-life
Not established for consumer use
Dose
Research context only; no standardized human dose.
Immune Signaling Thymosin Alpha-1 vial mockup

Immune-signaling peptide

Thymosin Alpha-1

An immune-signaling peptide topic where geography, product status, and evidence context need careful explanation.

immune researchregional status
Type
Injectable immune-signaling peptide
Half-life
Short; regional label and study contexts vary
Dose
Region and protocol dependent; verify local product status.
Immune Signaling KPV vial mockup

Tripeptide fragment

KPV

A short peptide fragment often discussed in inflammation-related research, making it a useful source-literacy profile.

inflammation researchsource literacy
Type
Tripeptide fragment
Half-life
Not established for consumer use
Dose
Research context only; no standardized human dose.
Immune Signaling LL-37 vial mockup

Antimicrobial peptide

LL-37

An antimicrobial peptide topic that benefits from careful discussion of biological roles versus therapeutic claims.

antimicrobial peptidebiology context
Type
Antimicrobial research peptide
Half-life
Not established for consumer use
Dose
Research context only; no standardized human dose.
Pigmentation Melanotan II vial mockup

Peptide analog

Melanotan II

A commonly searched analog where safety, legality, and informal use claims require especially careful review before publication.

safety review neededpublic claims
Type
Unapproved melanocortin analog
Half-life
Not established in regulated labeling
Dose
No FDA-approved dose; informal use claims require safety review.
Hormone Signaling Bremelanotide vial mockup

Peptide-based medicine

Bremelanotide

A regulated melanocortin-receptor medicine topic useful for distinguishing approved use from broader online peptide discussion.

regulated medicinereceptor biology
Type
Injectable melanocortin receptor agonist medicine
Half-life
About 2-3 hours
Dose
Prescription-only; label-directed dosing for approved indication.
Hormone Signaling Kisspeptin vial mockup

Hormone-signaling peptide

Kisspeptin

A hormone-signaling peptide family often discussed in reproductive-axis research and endocrine source summaries.

endocrine researchreceptor biology
Type
Hormone-signaling research peptide
Half-life
Short; study dependent
Dose
Research/protocol dependent; no standardized consumer dose.
Mitochondrial SS-31 vial mockup

Mitochondria-targeted peptide

SS-31

A mitochondria-targeted peptide topic suited for explaining trial-stage research, mechanisms, and claim limitations.

mitochondriaclinical trials
Type
Mitochondria-targeted investigational peptide
Half-life
Trial protocol dependent
Dose
Clinical-trial protocol dependent; not an approved consumer dose.
Longevity Epitalon vial mockup

Synthetic peptide

Epitalon

A longevity-adjacent peptide topic where readers need careful distinction between mechanistic discussion and human outcome claims.

longevity claimsevidence context
Type
Synthetic research peptide
Half-life
Not established in regulated labeling
Dose
Research context only; no standardized human dose.