DSIP (emideltide)
A "sleep peptide" also called DSIP. It is not FDA-approved. In July 2026, FDA advisers voted against letting pharmacies make it.

Not an FDA-approved medicine. This alone does not tell you if it works.
Small, older studies. The FDA called the sleep results "inconclusive."
Very little data, and none for shots under the skin.
These are 3 different questions. FDA status is about the law. Proof is about whether it works. Safety data is about how much we know about its risks. A lack of safety data does not mean it does not work, and "not approved" does not mean "illegal."
By the Peptide Science Desk Editorial TeamFact-checked against FDA and official sources · Not yet reviewed by a licensed clinician. How we check facts
What is it?
Emideltide is a short peptide with 9 building blocks. Its other name is DSIP. That stands for "delta sleep-inducing peptide." Delta sleep means deep sleep.
Why do people use it?
Some people use it hoping to sleep better. It has also been tried to help people coming off opioids (strong pain drugs) or alcohol. Sellers offer it as a shot or a nose spray. These are hopes, not proven facts.
Does it really work?
Small studies in people go back to 1981. The FDA looked at them in 2026. It said the sleep results were "inconclusive and at best preliminary." That means they do not show it works. The studies were small and not well designed. The FDA found no studies at all of the shot under the skin that people use today.
Studies in people
| Study | People | What they found | Limits |
|---|---|---|---|
| Randomized trial | 16 | Sleep looked a bit better on lab tests, but people did not feel they slept better. | Tiny. Drip in a vein for 3 nights. |
Is it safe? Side effects
- The FDA says it has no safety data for emideltide given as a shot under the skin.
- In old studies of people coming off opioids or alcohol, the FDA lists headache, feeling sick, and dizziness. Some people had low blood pressure after a second shot into a vein.
- The FDA warns your body might fight it like a germ. Doctors call this an immune reaction.
- The FDA says it is hard to know what is really in the product. Names are not consistent, and purity tests are missing.
- There are FDA-approved treatments for sleep problems and for opioid withdrawal. Ask your doctor.
Is it legal in the US?
Emideltide is not an FDA-approved medicine.
- The FDA had put it on its "Category 2" list of things that may be too risky for a pharmacy to mix.
- In April 2026 it was moved off that list because the groups that had asked about it took back their request. That is not approval.
- On July 24, 2026, FDA advisers voted 7 to 6 (1 did not vote) against letting pharmacies make it.
- It was the only one of 7 peptides they turned down. The FDA itself had advised against all 7. The FDA has not made a final decision.
- On October 28, 2026, HHS issued a peptide policy for 6 other peptides. It does not cover DSIP (emideltide).
What "not approved" does and does not mean
- "Not FDA approved" is not the same thing as "illegal." It means the FDA has not reviewed proof that it works and is safe.
- Outside the narrow pharmacy rules below, selling it as a medicine for people breaks federal law. The FDA has warned companies that sold unapproved drugs labeled "for research" or "not for human consumption" to people. (FDA)
- A regular pharmacy may only mix (compound) a drug from a raw ingredient that has an official quality standard, is part of an FDA-approved drug, or is on the FDA’s 503A list. Big "outsourcing" pharmacies (503B) have their own list. (FDA)
- The FDA says that in most cases it is illegal for people to bring unapproved drugs into the US for their own use. (FDA)
- State rules differ. State boards of pharmacy oversee most pharmacies day to day. Sports leagues and the military have their own bans. (FDA)
Banned in sports? Drug tests
Not named, but may be banned.
DSIP (emideltide) is not named on WADA's list. But WADA says its list is not complete. It also bans any drug that is not approved for people by any government anywhere (section S0). From Jan 1, 2027, that rule names "peptides" too. Ask USADA before you use it.
Talk to your doctor
Do not start any peptide on your own. Ask a doctor first. We never share doses or tell you where to buy. Print our doctor questions sheet.
More questions
What does DSIP stand for?
Delta sleep-inducing peptide. "Delta" refers to deep-sleep brain waves.
Is DSIP the same as emideltide?
Yes. Emideltide is the official drug name for DSIP.
Is DSIP FDA approved?
No. It is not an FDA-approved medicine.
Does the October 2026 HHS peptide policy cover DSIP?
No. On October 28, 2026, HHS issued a peptide policy for 6 other peptides. It does not cover DSIP (emideltide). In July 2026, FDA advisers voted against letting pharmacies make it.
Related peptides
- EpitalonNot approved · Proof: Animal or lab only
- SemaxNot approved · Proof: Early
- SelankNot approved · Proof: Early
DSIP in the news
Guides and tools
- Peptides for sleep, anxiety and brain fog: do any work?Guide
- FDA Category 2 Peptide List (2026): Which Peptides Are on It Now?Guide
- Drug test & sports ban checkerTool
- Compare DSIP with another peptideTool
- Is my peptide source legit?Tool
- FDA warning letters trackerTool
Sources
- FDA briefing document: Evaluation of emideltide (DSIP), May 11, 2026
- FDA: July 23-24, 2026 Pharmacy Compounding Advisory Committee meeting
- Reuters: FDA panel votes to exclude peptide emideltide from pharmacy compounding list (July 24, 2026)
- Fierce Pharma: Emideltide voted down (July 24, 2026)
- FDA: Bulk drug substances that may present significant safety risks
- FDA: Bulk drug substances nominated for 503A compounding (category lists, updated May 14, 2026)
- HHS: Enforcement Discretion Policy Regarding 503A Compounding Using Certain Peptide Bulk Drug Substances (Oct 28, 2026)
- Federal Register (public inspection): FR Doc. 2026-22192, HHS peptide compounding policy