# DSIP

delta sleep-inducing peptide · emideltide

https://graded.pl/en/substances/dsip · Checked: Not yet

Preliminary version. The editors have not finished checking this card, and grades may change.

A peptide described in the 1970s and named for its effect on sleep in animals. No such medicine exists.

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## Short answers

### Does DSIP work?

A peptide described in the 1970s and named for its effect on sleep in animals. No such medicine exists. We have not graded the studies yet. The number of papers in the databases is shown on the page.

### Is DSIP legal?

PL: No approval. The European medicines database (EMA) lists no such medicine in Poland (9 October 2026). The Polish register was down, so we could not check it directly. EU: No approval. The European medicines database (EMA), which covers EU and national approvals, lists no such medicine (9 October 2026). US: No approval. No approved medicine. FDA advisers discussed on 23–24 July 2026 whether pharmacies could make it to order.

### Is DSIP banned in sport?

May be banned, WADA 2026. It is not on the WADA list, but WADA also bans substances that no health authority has approved, so it may be banned.

### Is DSIP safe?

Not known. We found no safety study that would allow an assessment.

## Is it legal

- PL: No approval. The European medicines database (EMA) lists no such medicine in Poland (9 October 2026). The Polish register was down, so we could not check it directly. https://www.ema.europa.eu/en/documents/other/article-57-product-data_en.xlsx (Checked: Not yet)
- EU: No approval. The European medicines database (EMA), which covers EU and national approvals, lists no such medicine (9 October 2026). https://www.ema.europa.eu/en/documents/other/article-57-product-data_en.xlsx (Checked: Not yet)
- US: No approval. No approved medicine. FDA advisers discussed on 23–24 July 2026 whether pharmacies could make it to order. https://www.federalregister.gov/documents/2026/04/16/2026-07361/pharmacy-compounding-advisory-committee-notice-of-meeting-establishment-of-a-public-docket-request (Checked: Not yet)

## Doping

May be banned, WADA 2026. https://zoek.officielebekendmakingen.nl/trb-2026-25.html

## How much research exists

- Scientific papers: 463
- Studies with random groups: 6
- Registered studies in people: 1
- These are search results. A count shows how much exists, not how good the studies are. 1 Nov 2026.

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Open data: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/