CJC-1295 vs DSIP

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

Overview

CJC-1295 is primarily a performance & growth peptide, while DSIP is used for sleep & recovery.

This page compares CJC-1295 and DSIP 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-1295DSIP
CategoryPerformance & GrowthSleep & Recovery
Regulatory status (US)Research use onlyCompounding (Rx) — Apr 2026
Typical dosage1-2 mg100-300 mcg
Frequencyweeklybefore bed
Reported benefitsIncreased muscle mass, fat loss, improved recovery, better sleep, enhanced bone densityImproved deep sleep, stress reduction, recovery enhancement, pain reduction
Reported side effectsWater retention, joint pain, potential insulin resistance with prolonged useVery well-tolerated, possible grogginess

Key differences

Primary use. CJC-1295 is categorised under Performance & Growth, while DSIP falls under Sleep & Recovery. 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. DSIP: not FDA-approved; compounding permitted with a prescription as of April 2026.

Dosing. CJC-1295 is typically dosed at 1-2 mg (weekly). DSIP is typically dosed at 100-300 mcg (before bed).

Can you stack them?

Some protocols combine peptides, but stacking CJC-1295 and DSIP 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 DSIP?
CJC-1295 is primarily a performance & growth peptide, while DSIP is used for sleep & recovery. CJC-1295 is not FDA-approved; generally classified as a research compound, whereas DSIP 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 DSIP used for?
Delta sleep-inducing peptide.
Can you take CJC-1295 and DSIP together?
Some users combine peptides within a single protocol, but stacking CJC-1295 and DSIP 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 DSIP FDA-approved?
CJC-1295 is not FDA-approved; generally classified as a research compound. DSIP 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
  • DSIP — full monograph: mechanism, research, dosing & references

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