KPV vs Vilon
Overview
KPV and Vilon are both immune support peptides, but they differ in mechanism, dosing, and regulatory status.
This page compares KPV and Vilon across their primary use, typical dosing, reported benefits and side effects, and U.S. regulatory status. For the full monograph on either compound — mechanism of action, clinical research, and references — follow the article links.
Side-by-side comparison
| KPV | Vilon | |
|---|---|---|
| Category | Immune Support | Immune Support |
| Regulatory status (US) | Compounding (Rx) — Apr 2026 | Research use only |
| Typical dosage | 500-1000 mcg | 10-20 mg |
| Frequency | daily | daily for cycles |
| Reported benefits | Reduces inflammation, immune modulation, gut health support | Immune regulation, thymus support, anti-aging |
| Reported side effects | Very well-tolerated | Minimal side effects |
Key differences
Primary use. KPV is categorised under Immune Support, while Vilon falls under Immune Support. Because they target a similar goal, they are common alternatives to weigh against each other.
Regulatory status. KPV: not FDA-approved; compounding permitted with a prescription as of April 2026. Vilon: not FDA-approved; treated as a research compound.
Dosing. KPV is typically dosed at 500-1000 mcg (daily). Vilon is typically dosed at 10-20 mg (daily for cycles).
Can you stack them?
Some protocols combine peptides, but stacking KPV and Vilon has not been validated for safety or efficacy in controlled trials. Combining compounds can change their effects and risks. Nothing here is medical advice — consult a qualified healthcare provider before starting or combining any protocol.
Frequently asked questions
- What is the difference between KPV and Vilon?
- KPV and Vilon are both immune support peptides, but they differ in mechanism, dosing, and regulatory status. KPV is not FDA-approved; compounding permitted with a prescription (as of April 2026), whereas Vilon is not FDA-approved; generally classified as a research compound.
- What is KPV used for?
- Anti-inflammatory immune peptide.
- What is Vilon used for?
- Simple immune dipeptide.
- Can you take KPV and Vilon together?
- Some users combine peptides within a single protocol, but stacking KPV and Vilon has not been established as safe or effective in controlled trials. Neither this comparison nor PeptideSciences101 is medical advice — consult a qualified healthcare provider before combining any compounds.
- Is KPV or Vilon FDA-approved?
- KPV is not FDA-approved; compounding permitted with a prescription (as of April 2026). Vilon is not FDA-approved; generally classified as a research compound.