DSIP
Human ResearchDelta Sleep-Inducing Peptide, discovered in 1974. Researched for improving sleep quality, particularly delta wave (deep) sleep and REM sleep.
Improved deep sleepBetter REM sleepSleep cycle normalization
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Showing 3 peptides
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MK-677
Clinical TrialsAn oral growth hormone secretagogue (technically a small molecule, not a peptide). Researched for GH and IGF-1 elevation, muscle mass, sleep quality, and bone density.
Oral GH stimulationIGF-1 increaseMuscle mass support
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Orexin-A
Human ResearchA hypothalamic neuropeptide involved in wakefulness, appetite, and energy homeostasis. Deficiency causes narcolepsy. Researched for sleep disorders, cognitive enhancement, and metabolic effects.
Wakefulness promotionCognitive performance improvementAppetite regulation
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