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Vilon: uses, dosing & the facts

A synthetic dipeptide (Lys-Glu) that supports thymus function and immune system health. Helps maintain immune system activity, particularly with age. This is an evidence-graded reference — what it is, what it's used for, typical reported dosing, half-life, side effects, and how to track it. It is educational, not medical advice or a recommendation to use a research compound.

Status
Research use only · not FDA-approved. Reported dosing below reflects community-discussed patterns, presented for information only — not a dose recommendation. For the US regulatory picture on research peptides, see the 2026 FDA compounding status.
Class
Longevity
Used for
Immune system support
Half-life
Varies
Status
Research use only
TL;DR

What Vilon is

A synthetic dipeptide (Lys-Glu) that supports thymus function and immune system health. Helps maintain immune system activity, particularly with age.

What Vilon is used for

These are reported/community uses, not proven clinical outcomes. Most research peptides have limited human trial data behind such claims.

Typical reported dosing

Injectable5-30mg injected intramuscularly or subcutaneously daily for 10 days, then maintenance 2-3x per week

Presented as commonly-reported patterns for information only — not a dose recommendation. Vilon dosing is a decision for a qualified clinician.

Reconstitution

Reconstitute with bacteriostatic water. Usually comes as pre-formulated solution. The arithmetic is the same for any peptide: concentration = vial mg ÷ water mL, and on a U-100 syringe 100 units = 1 mL. Compute your own vial with the reconstitution calculator.

Half-life & cycling

Half-life: Varies. Half-life drives dosing frequency and how quickly the compound clears — see it plotted on the half-life visualizer.

Cycling

Initial course: 10 consecutive days. Maintenance: 2-3x per week. Can be cycled 3-4 times per year. Often used in combination with other thymic peptides.

Side effects & warnings

Research use only. Well-studied in Russia for immune support. May require intramuscular injection. Typically used in courses. Often stacked with Thymalin for synergistic effects.

Not a prescription, a dose, or a sourcing guide. Vilon is a research compound; safety and efficacy in humans are not fully established, and research-grade material has no guarantee of purity, sterility, or stated strength. OptiPin is a tracking tool and does not recommend using research chemicals. Discuss any peptide with a qualified clinician.

Tracking Vilon in OptiPin

If you're tracking a Vilon protocol, OptiPin logs each dose with reminders and site rotation, charts the outcome you care about over your dose timeline, keeps per-vial inventory with runout warnings, and (where relevant) does the reconstitution math — all on-device, no account.

Track it properly

Log doses, outcomes & vials in OptiPin

Reminders, outcome-over-dose charts, vial runout warnings, and built-in reconstitution math — all on-device.

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FAQ

What is Vilon?

A synthetic dipeptide (Lys-Glu) that supports thymus function and immune system health. Helps maintain immune system activity, particularly with age.

What is Vilon used for?

Commonly discussed uses include: immune system support, thymus function support, anti-aging and longevity, immune system restoration, age-related immune decline, t-cell function support. These are reported uses, not proven outcomes or a recommendation.

How is Vilon dosed?

Commonly reported dosing: Injectable — 5-30mg injected intramuscularly or subcutaneously daily for 10 days, then maintenance 2-3x per week. This reflects patterns discussed in the community and is presented for information only, not as a dose recommendation — Vilon is not an approved medicine and dosing should involve a qualified clinician.

How do you reconstitute Vilon?

Reconstitute with bacteriostatic water. Usually comes as pre-formulated solution. On a U-100 syringe, 100 units = 1 mL. Concentrations vary by vial, so compute from your own vial with a reconstitution calculator.

What is Vilon's half-life?

Varies. Half-life shapes how often it is dosed and how quickly it clears.

What are Vilon's side effects?

Reported effects include: generally well-tolerated, minimal side effects, mild injection site reactions possible. Because it is a research compound, its safety profile is not fully characterized; discuss risks with a clinician.

Educational only, not medical advice. Vilon is a research compound and is not an approved medicine for the uses described. OptiPin is a tracking tool and does not provide dosing or treatment advice. Discuss any peptide with a qualified clinician.

Evidence & further reading

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