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Common abbreviations and alternate names will find the right profile.

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Matrixyl (Palmitoyl Pentapeptide-4)

A cosmetic signal peptide used in topical skincare formulations and commonly discussed in relation to skin appearance.

Topical skincareSkin appearanceFine lines
Human evidence availableOther / status requires context

GHK-Cu (Copper Peptide)

A naturally occurring copper-binding tripeptide studied in laboratory settings and used in some topical cosmetic products.

Topical skincareSkin appearanceLaboratory wound-healing research
Early or emerging human evidenceOther / status requires context

Collagen Peptides

Short chains of amino acids derived from collagen, widely sold as a dietary supplement and studied in relation to skin and joint measures.

Skin appearanceJoint comfort researchNutritional supplementation
Human evidence availableOther / status requires context

BPC-157

A synthetic peptide sequence studied mainly in animal and laboratory research related to tissue repair.

Tissue repair researchMusculoskeletal researchGastrointestinal research
Primarily preclinical researchResearch-stage

Semaglutide

A GLP-1 receptor agonist medication approved for specific medical indications and extensively studied in clinical trials.

Glucose regulation researchAppetite signallingBody-composition research
Established clinical evidenceFDA-approved for a specific indication

Sermorelin

A growth hormone-releasing hormone analogue historically used in specific clinical diagnostic and treatment contexts.

Endocrine researchBody-composition researchAge-related hormonal change
Human evidence availableOther / status requires context

Thymosin Beta-4 (TB-500 related)

A naturally occurring peptide studied largely in laboratory and animal models of tissue repair.

Tissue repair researchCell migration research
Primarily preclinical researchResearch-stage

Epitalon

A synthetic tetrapeptide discussed in longevity circles and studied mainly in older or limited research settings.

Longevity researchCircadian and pineal research
Limited evidenceResearch-stage

DSIP

A peptide named for early sleep research, with a small and dated body of published literature.

Sleep researchStress-response research
Limited evidenceResearch-stage

Argireline (Acetyl Hexapeptide-8)

A cosmetic peptide used in topical formulations and commonly discussed in relation to the look of expression lines.

Topical skincareExpression line appearance
Early or emerging human evidenceOther / status requires context

Tirzepatide

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A dual receptor agonist medication approved for specific medical indications and studied in large clinical trials.

Glucose regulation researchBody-composition research
Established clinical evidenceFDA-approved for a specific indication

Ipamorelin

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A growth hormone secretagogue peptide studied in research settings related to endocrine signalling.

Endocrine researchBody-composition research
Primarily preclinical researchResearch-stage

CJC-1295

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A growth hormone-releasing hormone analogue studied in early research and often discussed alongside other secretagogues.

Endocrine researchBody-composition research
Early or emerging human evidenceInvestigational

NAD+ Related Compounds

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A group of compounds frequently discussed in longevity research conversations about cellular metabolism.

Cellular metabolism researchLongevity research
Early or emerging human evidenceOther / status requires context

Melanotan II

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A synthetic peptide discussed in relation to pigmentation research and flagged by regulators as an unapproved product.

Pigmentation research
Limited evidenceOther / status requires context

Selank

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A synthetic peptide studied primarily in a narrow regional research literature related to stress response.

Stress-response researchNeuroscience research
Limited evidenceResearch-stage