The Peptide Reference
The Peptide Reference
References
Best for/Immune & longevity

Immune & longevity

Immunomodulators, antioxidant and longevity-claim research.

Ranking reflects how much cited material this reference holds for the goal — how many indications are recorded and how strong the reported effects were. It is a measure of documentation, not a safety or efficacy endorsement, and a compound can rank highly on preclinical work alone.
1
Thymogen
Dipeptide bioregulator

Lifespan Extension · Geroprotection · T-Cell Function · Post-Operative Recovery · +3 more

7 indications · 2 refs
2
Glutathione
Tripeptide

Skin Health · Oxidative Stress Reduction · Immune Enhancement · Heavy Metal Detoxification · +2 more

6 indications · 4 refs
3
Epitalon
Tetrapeptide

Immune Surveillance · Lifespan Extension · Thymus Regeneration · Cellular Rejuvenation · +1 more

5 indications · 6 refs
4
Thymosin Alpha 1
Acetylated polypeptide

Primary Immunodeficiencies · HIV/AIDS Support · Immune Senescence Delay · Thymic Regeneration Support · +1 more

5 indications · 4 refs
5
Thymalin
Polypeptide mixture

Immune Restoration · Lymphopenia Recovery · Respiratory Illness Prevention · Mortality Reduction · +2 more

6 indications · 0 refs
6
5-Amino-1MQ
Small molecule NNMT enzyme inhibitor

Mitochondrial Function · NAD+ Enhancement · Cellular Repair

3 indications · 3 refs
7
Humanin
Mitochondria-derived peptide

Lifespan Extension · Healthspan Improvement · Anti-Aging · Cytoprotection · +2 more

6 indications · 0 refs
8
Vilon
Dipeptide bioregulator

Thymus Rejuvenation · T-Cell Activation · Age-Related Immune Decline · Lifespan Extension · +2 more

6 indications · 0 refs
9
MOTS-c
Mitochondrial-derived peptide (MDP)

Age-Related Decline Reversal · Mitochondrial Biogenesis · Lifespan Extension

3 indications · 5 refs
10
FOXO4-DRI
D-retro-inverso peptide

Senescent Cell Clearance · Tissue Rejuvenation · Physical Function · Chemotherapy Recovery

4 indications · 1 ref
11
NAD+
Coenzyme

Cellular Senescence Reduction · Sirtuin Activation · DNA Repair

3 indications · 6 refs
12
CJC-1295 (without DAC)
GHRH analog

Muscle Mass Preservation · Bone Density Maintenance · Skin Elasticity

3 indications · 5 refs
13
Sermorelin
GHRH analog

Age-Related GH Decline Reversal · Body Composition Improvement · Skin Quality Enhancement

3 indications · 5 refs
14
Thymulin
Thymic nonapeptide hormone

Immunosenescence · T-Cell Deficiency · Type 1 Diabetes Research · Anti-Inflammatory Effects · +2 more

6 indications · 0 refs
15
SS-31
Aromatic-cationic tetrapeptide

Age-Related Muscle Function · Cellular Rejuvenation · Cognitive Protection

3 indications · 6 refs
16
Selank
Tuftsin analog

Immune Modulation · Inflammation Regulation · Antiviral Activity

3 indications · 5 refs
17
Livagen
Tetrapeptide bioregulator

Gene Activation · Immunomodulation · Age-Related Liver Decline · Chromatin Remodeling

4 indications · 0 refs
18
PT-141
Melanocortin receptor agonist

Sexual Distress Reduction · Sexual Satisfaction

2 indications · 4 refs
19
Cortagen
Tetrapeptide bioregulator

Brain Aging · Autoimmune Modulation · Oxidative Balance · IL-2 Stimulation

4 indications · 0 refs
20
Crystagen
Tripeptide bioregulator

Immune Dysfunction · Post-Infection Recovery · Radiation/Chemo Recovery

3 indications · 0 refs
21
LL-37
Cationic antimicrobial peptide

Antimicrobial Resistance · Immunomodulation · Innate Immune Enhancement

3 indications · 0 refs
22
CJC/IPA Protocol
Peptide combination (GHRH analog + GHS)

Tissue Regeneration · Sleep Quality Enhancement

2 indications · 4 refs
23
HGH
Single-chain polypeptide with two disulfide bridges

Skin and Hair Quality · Energy and Well-being

2 indications · 4 refs
24
Prostamax
Tetrapeptide bioregulator

Chromatin Remodeling · Gene Reactivation · Lymphocyte Function

3 indications · 0 refs
25
Vesugen
Tripeptide bioregulator

SIRT1 Activation · Stem Cell Activation · Cellular Rejuvenation

3 indications · 0 refs
26
VIP
Neuropeptide

Anti-Inflammatory · Sarcoidosis · Diabetes Support

3 indications · 0 refs
27
Bronchogen
Tetrapeptide bioregulator

Respiratory Aging · Gene Expression

2 indications · 0 refs
28
Cardiogen
Tetrapeptide bioregulator

Epigenetic Regulation · Tissue Regeneration

2 indications · 0 refs
29
Chonluten
Tripeptide bioregulator

Geroprotection · Gene Expression Regulation

2 indications · 0 refs
30
Ovagen
Tripeptide bioregulator

Liver Aging · GI Aging

2 indications · 0 refs
31
Pinealon
Tripeptide

Cellular Senescence Reduction · Biological Age Markers

2 indications · 0 refs
32
CJC-1295 with DAC
GHRH analog with DAC

Recovery Enhancement

1 indication · 4 refs
33
SLU-PP-332
Synthetic ERR agonist

Mitochondrial Aging Reversal

1 indication · 4 refs
34
Vesilute
Dipeptide bioregulator

Urogenital Aging · Tissue Regeneration

2 indications · 0 refs
35
NA-Selank Amidate
Modified heptapeptide

Immune Modulation

1 indication · 0 refs
36
Pancragen
Tetrapeptide bioregulator

Gene Expression Regulation

1 indication · 0 refs