---
title: "Peptides discussed for Immunity"
url: https://humanpeptides.fyi/objectives/immunity
site: humanpeptides.fyi
last_reviewed: 2026-10-11
---


# Immunity

> humanpeptides.fyi makes no claims of its own. Every statement below reports what a cited source says, with its link. Not medical advice.

Immunity: 4 peptides and related compounds in this index have at least one researched benefit that sources link to immunity. Those with approved or trial-backed evidence: Thymosin Alpha-1.

| Peptide | Evidence label | What sources discuss for this goal |
|---|---|---|
| [Thymosin Alpha-1](https://humanpeptides.fyi/peptides/thymosin-alpha-1) | Trial-backed | Chronic hepatitis B; Stronger vaccine response; Sepsis, mixed results |
| [VIP](https://humanpeptides.fyi/peptides/vip) | Early human | Immune balance, small studies; Mold-related illness, small studies |
| [Thymalin](https://humanpeptides.fyi/peptides/thymalin) | Early human | Immune restoration, small trial; Stem cell activation, lab |
| [Selank](https://humanpeptides.fyi/peptides/selank) | Early human | Immune modulation, small study |

## Questions about immunity

### Which peptides are discussed for immunity?

Thymosin Alpha-1, VIP, Thymalin, Selank.

### Which have the strongest evidence for immunity?

Labelled approved or trial-backed: Thymosin Alpha-1. Approval covers specific uses only.

### Is any of this a recommendation?

No. humanpeptides.fyi makes no claims of its own. Each entry reports what cited sources say, with links. Talk to a licensed clinician.