A peptide studied for its relationship to growth hormone–releasing pathways in the body.

A synthetic peptide that has been studied in laboratory research involving cellular aging and biological signaling.

A peptide that has been studied for its interaction with pathways involved in growth hormone release.

A naturally occurring hormone and peptide involved in physiological processes including social and reproductive signaling.

A melanocortin-related peptide studied for its effects on specific neurological and physiological pathways.

A peptide encoded by mitochondrial DNA that has been studied for its role in cellular and metabolic signaling.

Vasoactive Intestinal Peptide (VIP) is a naturally occurring peptide involved in several signaling processes in the body.

A synthetic peptide that has been studied for its effects on signaling pathways related to the nervous system.

A synthetic peptide that has been studied primarily in preclinical research involving gastrointestinal and tissue biology.

A naturally occurring peptide studied for its role in immune-system signaling.

A copper-binding peptide studied in skin and tissue biology. Topical/non-injectable use only.

A synthetic peptide originally developed for research into neurological and cognitive signaling pathways.

A peptide fragment related to thymosin beta-4 that has been studied in laboratory research involving cellular and tissue processes.

A short peptide derived from alpha-melanocyte-stimulating hormone (α-MSH) that has been studied in inflammatory and cellular research.