CJC-1295 vs Epitalon

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

Overview

CJC-1295 is primarily a performance & growth peptide, while Epitalon is used for anti-aging & longevity.

This page compares CJC-1295 and Epitalon 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

CJC-1295Epitalon
CategoryPerformance & GrowthAnti-aging & Longevity
Regulatory status (US)Research use onlyCompounding (Rx) — Apr 2026
Typical dosage1-2 mg5-10 mg
Frequencyweeklycycle
Reported benefitsIncreased muscle mass, fat loss, improved recovery, better sleep, enhanced bone densityTelomere lengthening, improved sleep quality, enhanced longevity markers, circadian rhythm regulation
Reported side effectsWater retention, joint pain, potential insulin resistance with prolonged useVery well-tolerated. Minimal side effects during cycles

Key differences

Primary use. CJC-1295 is categorised under Performance & Growth, while Epitalon falls under Anti-aging & Longevity. Their differing categories mean they are usually chosen for different goals rather than as direct substitutes.

Regulatory status. CJC-1295: not FDA-approved; treated as a research compound. Epitalon: not FDA-approved; compounding permitted with a prescription as of April 2026.

Dosing. CJC-1295 is typically dosed at 1-2 mg (weekly). Epitalon is typically dosed at 5-10 mg (cycle).

Can you stack them?

Some protocols combine peptides, but stacking CJC-1295 and Epitalon 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 CJC-1295 and Epitalon?
CJC-1295 is primarily a performance & growth peptide, while Epitalon is used for anti-aging & longevity. CJC-1295 is not FDA-approved; generally classified as a research compound, whereas Epitalon is not FDA-approved; compounding permitted with a prescription (as of April 2026).
What is CJC-1295 used for?
Growth hormone, muscle mass, fat loss.
What is Epitalon used for?
Longevity, telomere support.
Can you take CJC-1295 and Epitalon together?
Some users combine peptides within a single protocol, but stacking CJC-1295 and Epitalon 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 CJC-1295 or Epitalon FDA-approved?
CJC-1295 is not FDA-approved; generally classified as a research compound. Epitalon is not FDA-approved; compounding permitted with a prescription (as of April 2026).

Read the full articles

  • CJC-1295 — full monograph: mechanism, research, dosing & references
  • Epitalon — full monograph: mechanism, research, dosing & references

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