DSIP
Tiny trials from the 1980s and 1990s. They disagree.
Grade B: Some human proof
Small, early or mixed results in people.
The grade is for the use people talk about, not for every use. Filed under: Sleep and stress.
How it works
Short for delta sleep-inducing peptide, named for the deep-sleep brain waves it was first linked to in animals.
How it was given in studies
Injection into a vein, in small insomnia studies from the 1980s and 1990s.
This is what the studies did. It is not a how-to. Source: Controlled trial, 16 patients. Neuropsychobiology, 1992.
What studies saw
Given by IV to people with insomnia. Two controlled trials found little real benefit. Several small studies, mostly from one researcher, reported improvement.
The trade-off
We found no modern trials. The name promises more than the studies found.
When it showed up, in studies
No reliable timeline. Tiny trials disagreed.
Sources
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Keep going
We show what studies found. We never tell you what to take. Doses vary by study. Check the sources and talk to a doctor.