Research focus
Gut & immune research peptides
Research concerns the gut barrier, inflammation and immune modulation. Each compound below carries a score out of 100 combining the strength of its published research with the certificate evidence of the vendors that carry it — a score of evidence, never a claim that a compound is safe, effective or suitable for any purpose.
Browse by research focus
Showing 9 of 9 compounds — Research concerns the gut barrier, inflammation and immune modulation.
- S
VIP
Tissue & recovery95.6Vasoactive intestinal peptide, a 28–amino-acid signalling peptide with roles in vasodilation, secretion and inflammation. Its related drug is known as aviptadil.
Gut & immune7 vendors5 certificates99.7% mean purityTier S evidence · Niche popularity
- S
Thymosin Alpha-1
Tissue & recovery94.3A 28–amino-acid peptide derived from the thymus gland, studied for effects on immune modulation. An approved form is marketed in some countries as thymalfasin.
Gut & immune12 vendors10 certificates99.5% mean purityTier S evidence · Established popularity
- S
ARA-290
Tissue & recovery93.1An eleven–amino-acid peptide derived from the structure of erythropoietin, designed to engage tissue-protective signalling without the red-blood-cell effects of erythropoietin.
HealingGut & immune12 vendors6 certificates99.7% mean purityTier S evidence · Niche popularity
- C
BPC-157
Tissue & recovery91.6A synthetic peptide of fifteen amino acids, derived from a sequence identified in human gastric juice. It is supplied as a lyophilised powder and is one of the most widely listed compounds across the vendors in this index.
HealingGut & immune32 vendors34 certificates99.5% mean purityTier C evidence · High popularity
- D
KPV
Tissue & recovery80.9A tripeptide (lysine-proline-valine) corresponding to the C-terminal fragment of alpha-melanocyte-stimulating hormone, studied for anti-inflammatory signalling.
Gut & immune25 vendors19 certificates99.5% mean purityTier D evidence · Established popularity
- B
LL-37
Tissue & recovery66A human cathelicidin-derived antimicrobial peptide studied for antimicrobial activity, immune modulation and wound healing.
Gut & immune7 vendors4 certificates96.1% mean purityTier B evidence · Established popularity
- C
Larazotide
Tissue & recovery52Larazotide acetate, a synthetic octapeptide studied as a tight-junction regulator (a zonulin antagonist) and investigated clinically in coeliac disease.
Gut & immune1 vendors0 certificatesTier C evidence · Niche popularity
- B
Thymalin
Tissue & recovery38A polypeptide preparation extracted from thymus tissue, studied for immunomodulatory effects. It has clinical use in some countries but is not approved in the United States.
Gut & immuneLongevity0 vendors0 certificatesTier B evidence · Niche popularity
- C
Vilon
Other38A synthetic dipeptide (Lys-Glu) from the Khavinson peptide-bioregulator research programme, studied preclinically for effects on gene expression, immune function and ageing in animal models.
LongevityGut & immune0 vendors0 certificatesTier C evidence · Niche popularity