Best peptides for Immune & Inflammation
KPV, Thymosin Alpha-1, LL-37 (Human Cathelicidin), Thymulin, Thymalin, Thymogen, Vilon, Crystagen, Bronchogen, and VIP are the peptides most-studied for immune-system modulation, anti-inflammatory action, and antimicrobial defense. Each entry below links to its full research profile.
Antioxidant | Cellular health and detoxification
Glutathione (GSH) is a tripeptide composed of glutamine, cysteine, and glycine, recognized as the body's primary intracellular antioxidant. It plays a critical role in maintaining redox balance, detoxifying harmful compounds, and supporting immune function. GSH is also involved in various cellular processes, including the regulation of cell proliferation and apoptosis, making it essential for overall cellular health and function.
Erythropoiesis | Red blood cell production
Erythropoietin (EPO) is a glycoprotein hormone primarily produced by the kidneys in response to hypoxia. Its main function is to stimulate the production of red blood cells (erythropoiesis) in the bone marrow by binding to erythropoietin receptors (EPOR) on erythroid progenitor cells. This interaction activates various intracellular signaling pathways, including the JAK2/STAT5 pathway, which promotes cell survival, proliferation, and differentiation of erythroid progenitors.
Antimicrobial | Immune response
LL-37 is a human cathelicidin antimicrobial peptide that plays a crucial role in the innate immune response. It is produced by various cells, including epithelial cells and neutrophils, and exhibits a broad spectrum of biological activities, including antimicrobial, immunomodulatory, and wound healing properties. LL-37 interacts with a variety of pathogens, including bacteria, viruses, and fungi, contributing to the host's defense mechanisms.
Metabolic regulation | Male fertility
MOTS-C is a mitochondrial-derived peptide that plays a significant role in metabolic regulation and cellular stress responses. It has been implicated in various health conditions, including diabetic nephropathy, cardiovascular diseases, and placental function. The peptide is believed to exert its effects through several mechanisms, including modulation of mitochondrial function, regulation of cellular metabolism, and influencing stress response pathways.
Stimulates LH and FSH | Reproductive health
Gonadorelin is synthetic GnRH, a decapeptide that stimulates pituitary release of LH and FSH in pulsatile fashion — used diagnostically and to support the reproductive hormone axis.
Immune modulation | Infections and inflammatory diseases
Thymosin Alpha-1 (Tα1) is a peptide that plays a crucial role in modulating immune responses and has been investigated for its potential therapeutic applications in various conditions, including infections and inflammatory diseases.
Related reading
Explore the best peptides for inflammation, their potential uses, and the current lack of scientific evidence supporting them.
KLOW is an informal research-community stack combining KPV, Larazotide, Orexin-related compounds, and Wolverine-stack peptides for combined gut, inflammation, sleep, and tissue support.
Dosing for approved agents comes from the label, not from this site. If you are working out injection volumes, the reconstitution calculator converts mg per vial into syringe units, and how to use peptides covers storage and handling. Neither is a recommendation to use anything.
Rankings reflect how much indexed research exists, not how safe or effective anything is for you. Nothing here is medical advice. Most peptides on this site are not approved drugs.