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Topics studied in relation to cellular aging, longevity research, and age-related change.
Category
Evidence level
Regulatory / research status
A cosmetic signal peptide used in topical skincare formulations and commonly discussed in relation to skin appearance.
A naturally occurring copper-binding tripeptide studied in laboratory settings and used in some topical cosmetic products.
Short chains of amino acids derived from collagen, widely sold as a dietary supplement and studied in relation to skin and joint measures.
A growth hormone-releasing hormone analogue historically used in specific clinical diagnostic and treatment contexts.
A naturally occurring peptide studied largely in laboratory and animal models of tissue repair.
A synthetic tetrapeptide discussed in longevity circles and studied mainly in older or limited research settings.
A growth hormone secretagogue peptide studied in research settings related to endocrine signalling.
A growth hormone-releasing hormone analogue studied in early research and often discussed alongside other secretagogues.
A group of compounds frequently discussed in longevity research conversations about cellular metabolism.