Peptide Classes

Ghrelin Receptor Agonists

class001

Class of compounds that stimulate the ghrelin receptor to increase endogenous growth hormone secretion.

mk-677|ipamorelin|hexarelin|cjc-1295-ipamorelin

ghrelin-receptor-signaling|ghrh-receptor-signaling|growth-hormone-igf-axis

hormone-optimization|muscle-growth|sleep

Ghrelin receptor agonists in peptide research

Overview of ghrelin receptor agonists including MK-677, ipamorelin, hexarelin, and related GH-axis compounds.

published

Neuroactive Peptides

class002

Experimental peptides discussed in stress, cognition, mood, and neuroprotection research.

pe-22-28|pinealon|selank|semax|selank-semax|dsip

neuroprotective-gene-regulation|antidepressant-neuropeptide-signaling|neurotrophic-signaling|gaba-monoamine-modulation

brain-health|stress|neuroprotection|cognitive-function

Neuroactive peptides and brain-health research

Scientific overview of experimental neuroactive peptides linked to stress, cognition, and neuroprotection.

published

Mitochondrial Peptides and Compounds

class003

Mitochondria-focused compounds studied for oxidative stress, bioenergetics, and metabolic resilience.

ss-31|mots-c|nad-plus|slu-pp-332

mitochondrial-membrane-stabilization|mitochondrial-stress-signaling|ampk-activation

mitochondrial-health|energy|longevity|metabolism

Mitochondrial peptides in metabolism and aging

Overview of SS-31, MOTS-C, NAD+, and related mitochondrial research compounds.

published

Investigational Anti-Obesity Compounds

class004

Compounds studied for body-weight reduction and appetite regulation outside approved incretin standards.

tesofensine|slu-pp-332|adipotide|aod-9604

monoamine-reuptake-inhibition|adipose-vascular-targeting|lipolysis-signaling|triple-incretin-glucagon-signaling

fat-loss|metabolism|appetite-suppression|obesity-research

Investigational anti-obesity compounds

Scientific overview of investigational compounds studied for obesity, appetite, and body-weight outcomes.

published

Regenerative Peptides

class005

Peptides studied for tissue repair, wound healing, angiogenesis, and regenerative signaling.

thymosin-beta-4|tb-500|bpc-157|bpc-tb500-10-10|bpc-tb500-5-5|ghk-cu|ghk-cu-tb500-bpc157

angiogenesis-cell-migration|nitric-oxide-signaling|collagen-extracellular-matrix

recovery|healing|injury-repair|skin-health

Regenerative peptides and tissue-repair research

Overview of regenerative peptides studied for wound healing, angiogenesis, and tissue repair.

published

Melanocortin Peptides

class006

Melanocortin-active compounds discussed for tanning, libido, and neuroendocrine signaling.

melanotan-ii|pt-141

melanocortin-receptor-signaling|melanocortin-pigmentation-signaling

tanning|skin-health|libido

Melanocortin peptides in tanning and libido research

Scientific overview of melanocortin peptides including Melanotan II and PT-141.

published

GLP-1 and Incretin Therapeutics

class007

Hormone-based drugs that activate incretin pathways to regulate glucose metabolism and appetite.

semaglutide|tirzepatide|retatrutide

glp1-receptor-activation|dual-incretin-signaling|triple-incretin-glucagon-signaling

fat-loss|metabolism|diabetes|appetite-suppression

GLP-1 and incretin metabolic therapies

Overview of semaglutide, tirzepatide, and retatrutide in metabolic and obesity treatment research.

published

Growth Hormone and IGF Axis Peptides

class008

Hormones and peptides involved directly in growth hormone or insulin-like growth factor signaling pathways.

sermorelin|somatropin|tesamorelin|igf-lr3|hgh-frag-176-191

growth-hormone-igf-axis|ghrh-receptor-signaling|igf-signaling|lipolysis-signaling

muscle-growth|fat-loss|hormone-optimization|body-recomposition

Growth hormone and IGF-axis peptides

Scientific overview of peptides involved in GH and IGF endocrine signaling.

published

Immune Modulating Peptides

class009

Peptides studied for immune regulation, inflammation control, and host-defense signaling.

thymosin-alpha-1|kpv

immune-modulation-host-defense|anti-inflammatory-peptide-signaling

immune-support|host-defense|inflammation|gut-health

Immunomodulatory peptides in clinical research

Overview of peptides studied for immune system regulation, inflammation control, and host-defense signaling.

published

Antimicrobial Host Defense Peptides

class010

Peptides studied for antimicrobial activity and innate immune defense mechanisms.

ll-37

immune-modulation-host-defense|anti-inflammatory-peptide-signaling

immune-support|host-defense|healing|skin-health

Host defense peptides and antimicrobial research

Scientific overview of antimicrobial peptides including LL-37 and innate immune defense pathways.

published