Peptides DB
Research-centric peptide and protocol reference hub
Sleep & circadian

Best peptides for Sleep & Circadian

DSIP (Delta Sleep-Inducing Peptide), Pinealon, Epitalon, and growth-hormone secretagogues (MK-677, Sermorelin) are the peptides most-studied for sleep architecture, deep-sleep duration, and circadian regulation. Each entry below links to its full research profile.

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peptides matched
Ranked by approved-study count
DSIP: Healing 1.0, Muscle 0.0, Metabolic 1.0, Neuro 3.0, Sleep 5.0, Immune 2.0, Skin 0.0Healing & recovery — 1.0 / 5Metabolic & appetite — 1.0 / 5Neuro & mood — 3.0 / 5Sleep & circadian — 5.0 / 5Inflammation & immune — 2.0 / 5
DSIPEmerging

Delta Sleep-Inducing Peptide | Sleep & Stress Modulator

Delta Sleep-Inducing Peptide, primarily discussed for sleep quality, stress modulation, and pain.

7 studiesDominant effect: sleepFull profile →
CJC-1295: Healing 2.0, Muscle 4.0, Metabolic 3.0, Neuro 2.0, Sleep 3.0, Immune 1.0, Skin 2.0Healing & recovery — 2.0 / 5Muscle & body comp — 4.0 / 5Metabolic & appetite — 3.0 / 5Neuro & mood — 2.0 / 5Sleep & circadian — 3.0 / 5Inflammation & immune — 1.0 / 5Skin & aesthetics — 2.0 / 5
CJC-1295Limited Research

GHRH analogue | GH/IGF-1 modulation

GHRH analogue used in research contexts for GH/IGF-1 modulation, muscle and bone density, sleep, and recovery.

6 studiesDominant effect: muscleFull profile →

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Dosing for approved agents comes from the label, not from this site. If you are working out injection volumes, the reconstitution calculator converts mg per vial into syringe units, and how to use peptides covers storage and handling. Neither is a recommendation to use anything.

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Medical disclaimer

Rankings reflect how much indexed research exists, not how safe or effective anything is for you. Nothing here is medical advice. Most peptides on this site are not approved drugs.