Jump to content
DSIP Compound

A dark, instrument-panel reading of the delta sleep-inducing peptide literature — every EEG, HPA-axis, and insomnia study, logged and counted.

Promise Peptides has started prescribing DSIP at mypromise.com. Its product is prescription-only.
Promise Peptides DSIP product card, Rx only

DSIP access sheet

Compounding adds no FDA drug approval.

Compound
DSIP
Route
Clinical assessment, then prescription.
Prescriber
A U.S.-licensed clinician reads each request before deciding. Some requests are refused.
Availability
U.S. patients only. The options change with the patient's state and the treatment under review.
Dark dashboard abstraction of the nine-residue DSIP peptide as a strip of nine rounded cells with one blue accent cell

DSIP AND SLEEP STUDIES

DSIP: what it changed, and what it didn’t

You’ll see the 1980s human trials and the best animal findings. Then you’ll see why DSIP still isn’t a proven sleep drug.

A dark, instrument-panel reading of the delta sleep-inducing peptide literature — every EEG, HPA-axis, and insomnia study, logged and counted.

What DSIP first changed

Schoenenberger and Monnier first found DSIP in 1977. They were studying how sleep starts in rabbits [1].

The compound raised slow brain waves tied to deep sleep. That result gave DSIP its name.

Small studies in the 1980s later tested people. Some slept better, but the gains weren’t large [2][7].

Scientists still don’t know how DSIP works [3]. Many people say they feel no change.

DSIP isn’t approved as medicine anywhere. You can read personal reports on the effects page.

You may see strong claims online. The old human work doesn’t support a sure result for your sleep.

That limit matters when you weigh your next step. Old studies can’t give you a sure answer.

What is DSIP peptide? A tiny protein-like chain

DSIP has nine tiny parts linked together. Your body joins parts like these to make protein.

A lab scale lists 848.8 daltons, a tiny weight unit for things smaller than a cell. That weight can’t tell you whether DSIP works.

Two researchers found DSIP in blood leaving sleeping rabbits’ brains [1]. They later put DSIP into rabbit brains [1].

Slow brain waves then grew stronger. Other waves tied to sleep rose too.

Mammals may make DSIP in blood, brain fluid, and milk. Its formal drug name is Emideltide.

A licensed U.S. clinician may prescribe compounded DSIP, which has no FDA drug approval. DSIP is still used in research.

That tells you what DSIP is. It doesn’t show that your body needs it.

What is dsip peptide used for in studies

Most human work asked about long-term insomnia. Small 1980s studies put DSIP into a vein [2].

The papers list 25 nanomoles per kilogram, a tiny amount set by body weight. Each person’s amount changed with body weight.

People slept longer and woke less often. The change began in the second hour.

A later test used a placebo, a look-alike treatment. DSIP helped a little, but not enough for major care [7].

Other work checked stress hormones and melatonin [4][13]. Mouse studies looked at life span and tumors [5].

In 2024, scientists joined DSIP to a carrier [6]. The carrier helped more DSIP enter mouse brains.

None of these uses is approved. Modern trials haven’t shown that DSIP treats insomnia.

The old tests were small. They can’t settle what works for you now.

Your body may not react like those small groups. A newer human trial would fit you better.

What the strongest studies found

The strongest result came from animals. DSIP raised deep-sleep brain waves in rabbits in 1977 [1].

Rats later showed a similar change [12]. The clearest human work came in the 1980s.

The papers list 25 nanomoles per kilogram, a tiny amount set by body weight [2]. That amount came from human sleep tests.

People with broken sleep improved. They didn’t feel drugged the next day.

Female mice got Deltaran, a DSIP preparation [5]. Those mice lived longer.

Their longest life span rose 24.1%. Tumors fell 2.6-fold, meaning they became far less common.

Only teams working closely together reported that result. Separate teams haven’t confirmed it.

Scientists can’t name the body part DSIP latches onto [3]. Without that answer, its effects stay hard to predict.

You can read more in DSIP research. Animal results can’t promise what your sleep will do.

Your own sleep needs human proof. The animal work can’t supply that proof.

What each source tells you

Each number leads to references. You’ll find the full study there.

The source tells you who was tested. It also says what changed and what didn’t.

Some studies found a benefit. Others couldn’t repeat the same result.

A 2006 review called the sleep case weak [3]. That still matters when you weigh DSIP.

Animal-only results are marked as animal results. You can keep them apart from human proof.

Each source names the animals or people. That helps you judge how well the result fits your question.

The dates show how old the work is. You can see when later teams failed to repeat it.