Epitalon vs Epithalon

A side-by-side comparison from PeptideSciences101, the open peptide reference.

Overview

Epitalon is primarily a anti-aging & longevity peptide, while Epithalon is used for sleep & recovery.

This page compares Epitalon and Epithalon 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

EpitalonEpithalon
CategoryAnti-aging & LongevitySleep & Recovery
Regulatory status (US)Compounding (Rx) — Apr 2026Compounding (Rx) — Apr 2026
Typical dosage5-10 mg5-10 mg
Frequencycyclecycle protocol
Reported benefitsTelomere lengthening, improved sleep quality, enhanced longevity markers, circadian rhythm regulationImproved sleep quality, circadian rhythm regulation, anti-aging
Reported side effectsVery well-tolerated. Minimal side effects during cyclesMinimal side effects during cycles

Key differences

Primary use. Epitalon is categorised under Anti-aging & Longevity, while Epithalon falls under Sleep & Recovery. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.

Regulatory status. Epitalon: not FDA-approved; compounding permitted with a prescription as of April 2026. Epithalon: not FDA-approved; compounding permitted with a prescription as of April 2026.

Dosing. Epitalon is typically dosed at 5-10 mg (cycle). Epithalon is typically dosed at 5-10 mg (cycle protocol).

Can you stack them?

Some protocols combine peptides, but stacking Epitalon and Epithalon 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 Epitalon and Epithalon?
Epitalon is primarily a anti-aging & longevity peptide, while Epithalon is used for sleep & recovery. Epitalon is not FDA-approved; compounding permitted with a prescription (as of April 2026), whereas Epithalon is not FDA-approved; compounding permitted with a prescription (as of April 2026).
What is Epitalon used for?
Longevity, telomere support.
What is Epithalon used for?
Circadian rhythm regulator.
Can you take Epitalon and Epithalon together?
Some users combine peptides within a single protocol, but stacking Epitalon and Epithalon 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 Epitalon or Epithalon FDA-approved?
Epitalon is not FDA-approved; compounding permitted with a prescription (as of April 2026). Epithalon is not FDA-approved; compounding permitted with a prescription (as of April 2026).

Read the full articles

  • Epitalon — full monograph: mechanism, research, dosing & references
  • Epithalon — full monograph: mechanism, research, dosing & references

More Anti-aging & Longevity comparisons

Epitalon compared across categories

← All peptide comparisons