Test Your Peptide For Free

Send us your peptide sample and get an independent HPLC lab test — identity, purity, and fill weight. No cost. Optional paid add-ons available.

HPLC + LC-MS 5-7 day results 100% confidential
Get My Free Test

DSIP

Péptido inductor del sueño delta — promueve un sueño profundo y reparador

4.0
29 reseñas
Rate This Peptide

Rating Breakdown

No Hangover or Grogginess
4.5
Deep (Delta) Sleep Promotion
4.0
Sleep Quality Improvement
4.0
Circadian Rhythm Support
3.9
Stress Reduction
3.2

Resumen

DSIP es un neuropéptido de origen natural que favorece el sueño delta (profundo) y ha sido estudiado para el tratamiento del insomnio.

Key Information

Identity
Also Known As Delta Sleep-Inducing Peptide
Sequence Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu
CAS Number 67729-35-1
Molecular Formula C34H48N8O7
Properties
Half-Life Short (minutes)
Administration subcutaneous, intranasal
Dosage Range 100-300 mcg before sleep
Price Range $0.8–$6.0/mg
Handling & Storage
Storage Lyophilized: -20C; Reconstituted: 2-8C
Reconstitution Reconstitute with bacteriostatic water
Regulatory Status
US Status Research only
Research Papers 4 indexed

Mecanismo

Modula las vías promotoras del sueño en el cerebro, aumentando el sueño de ondas delta sin afectar la arquitectura general del sueño.

Benefits

  • Promueve el sueño profundo (delta)
  • Mejora de la calidad del sueño
  • Sin efecto de resaca
  • Reducción del estrés

Side Effects

  • Mínimos reportados
  • Somnolencia

Contraindications

  • None established

Evidence Summary

4 estudios clínicos (Bes 1992, Kaeser 1984, Monti 1987) que demuestran una mejora del sueño en pacientes con insomnio crónico.

Research

Los estudios clínicos (Bes 1992, Kaeser 1984, Monti 1987) demuestran una mejor calidad del sueño en personas con insomnio crónico.

Ver Investigación

Safety

Bien tolerado. Sin efectos adversos significativos en estudios clínicos.

Frequently Asked Questions About DSIP

What is DSIP?

DSIP is a research peptide also known as Delta Sleep-Inducing Peptide. Péptido inductor del sueño delta — promueve un sueño profundo y reparador It is studied for its potential therapeutic applications and is available from various research chemical vendors.

How does DSIP work?

Modula las vías promotoras del sueño en el cerebro, aumentando el sueño de ondas delta sin afectar la arquitectura general del sueño.

What is the recommended dosage for DSIP?

The commonly studied dosage range for DSIP is 100-300 mcg before sleep. Dosage protocols vary based on research objectives. Always consult published studies and start with conservative amounts. DSIP should only be used in controlled research settings.

Where can I buy DSIP?

PepsReview indexes DSIP pricing from multiple vendors. Check the Vendors tab above for a price comparison table showing cost per milligram, purity, COA status, and stock availability. Vendor reviews from real users are available on each vendor's profile page.

Is DSIP legal?

US regulatory status: Research only. The legal status of DSIP varies by jurisdiction. In most countries, it is sold as a research chemical, not for human consumption. Always verify the legal status in your country before purchasing.

What are the side effects of DSIP?

Reported side effects include: Mínimos reportados, Somnolencia. Always review safety data and published studies before use.

Key Research Papers on DSIP

The following peer-reviewed studies and clinical trials are indexed in our research library for DSIP. Each paper links to a detailed summary with key findings, study design, and publication metadata.

Vendor Price Comparison

Producto Vendedor Tamaño Precio $/mg Pureza COA Stock Visitar
DSIP 5mg 5.0mg $60.00 $12.00 99%+ Janoshik (7d) In Stock Visitar

Investigación

4 artículos de investigación indexados

Ver Investigación

Write a Review

Rating Breakdown

Effectiveness
4.0
Safety
4.0
Value
4.0
Overall
4.0

Based on 29 reseñas.

Reseñas

Solid sleep aid, not a miracle 2026-10-09
Marisol R. Verified Reviewer

I’m 34, teach high school, and was running on 5–6 hours for months. Tried DSIP at 100 mcg subQ about 30 min before bed, five nights on, two off, for three weeks. Sleep onset dropped from ~45 min to maybe 20. I stayed asleep longer and woke up 1–2 times instead of 4–5. First two mornings felt a little flat, and dreams were very vivid, but no real hangover. Stress didn’t vanish, though I was less wound up at night. It helped me keep a steadier bedtime. Vial lasted about three weeks. Not cheap, but I’d reorder.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped me stay asleep, not a knockout pill 2026-10-08
Elena W. Verified Reviewer

I'm 45 and work a desk job, so stress usually follows me to bed. Started DSIP at 100 mcg subQ around 9:30, five nights a week, for six weeks. First week I had a mild headache and really vivid dreams. By week two I was falling asleep in about 20 minutes instead of 45, and my tracker showed deep sleep up roughly 25 minutes. I still wake once some nights, but I get back down fast. No morning fog, which is why I kept going. It's not dramatic, but my afternoons are less cranky. Vials aren't cheap, so 4/5.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped me sleep through the night without feeling drugged 2026-10-04
Kayla W. Verified Reviewer

I'm 41 and run a warehouse, so my days start early and my brain doesn't always shut off. I used DSIP at 100 mcg subq about 30 minutes before bed for three weeks. First couple nights had wild vivid dreams and a slight headache, but that faded. By week two I was falling asleep in 15-20 minutes instead of 45, and I woke up maybe once instead of three times. No groggy hangover. Work stress is still there, just less clenched at night. I take weekends off. It's not a miracle, but it's been a solid 4 for me.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped my deep sleep, but not a miracle 2026-10-01
Peter R. Verified Reviewer

I’m 45, coding all day and wired at night. Tried DSIP at 100 mcg subq about 30 min before bed, 5 nights on, 2 off, for a month. Sleep latency went from ~40 min to ~20. My tracker’s deep sleep bumped from 45 min to about 1h10. I still wake once, not three times. I wake up before my alarm more often too. First two nights I got a mild headache and slight injection-site redness, both faded. No groggy hangover, which was my main worry. Stress is maybe 20% better, not life-changing. I’ll keep using it.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Subtle but useful for my midlife insomnia 2026-09-30
Priya R. Top Reviewer

I’m 52 and a graphic designer, so late screens and deadlines wreck my sleep. I tried DSIP at 100 mcg subq about 30 minutes before bed, 5 nights a week for 3 weeks. By week 2 I was waking up maybe once instead of 3-4 times, and my deep sleep on my watch went from 38 min to about 55 min. No grogginess in the morning. First few nights I had a mild headache, which faded. It didn’t knock me out, but my sleep quality and stress levels felt steadier. I’ll keep using it a few nights a week.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP for sleep: solid, not magic 2026-09-30
Kristy R. Verified Reviewer

I'm 50, desk job, and my sleep had been garbage for years. Tried DSIP at 100 mcg subcutaneously about 30 min before bed for three weeks. First two nights I got a mild headache and some weird vivid dreams, but those faded. My sleep latency went from around 45 minutes to 15-20. I still wake once most nights, but I fall back faster and wake up without that heavy hangover feeling. By week two I felt less wired after work, though stress isn't gone. My sleep schedule feels a bit steadier too. Not cheap, but I'm continuing at 3-4 nights a week.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped my sleep, but not a miracle 2026-09-30
Boris W. Verified Reviewer

I'm 41 and an accountant, so my sleep gets wrecked every month-end close. I ran DSIP at 150 mcg subq, 30 min before bed, 5 nights on/2 off for 6 weeks. Sleep latency dropped from about 45 min to 20. My tracker showed deep sleep up from ~50 min to 1 hr 10. I woke 1-2 times instead of 3-4. No morning hangover, which surprised me. First week I got mild headaches and vivid dreams; they faded. Stress didn't vanish—still 3/5—but I stopped doom-scrolling at 3am. Circadian rhythm felt steadier; waking near 6:30 without alarm. Not cheap, but I'd reorder.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped my sleep without the grogginess 2026-09-24
Drew R. Verified Reviewer

I’m 45 and travel a lot for sales, so my sleep was a mess. Started DSIP at 100 mcg subQ about 30 minutes before bed, 5 nights on, 2 off. After 3 weeks, I fall asleep in about 20-25 minutes instead of an hour. I still wake once some nights, but usually just once versus 3 times. My watch shows maybe 15-20 extra minutes of deep sleep. First two nights I got a mild headache and vivid dreams, then it faded. No morning hangover. Stress isn’t magically gone, but I’m less wired at bedtime. Cost is okay since one vial lasts a while.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Solid for deep sleep, not a knockout 2026-09-20
Lena W. Verified Reviewer

I'm 55 and stare at screens all day as a graphic designer. Tried DSIP at 100 mcg subQ about 30 min before bed, 5 nights on/2 off, for 6 weeks. Sleep latency dropped from ~45 min to 20. My tracker showed deep sleep up from 35 min to about 70 min, and wakeups went from 3 to 1. First two mornings I felt a little foggy, and dreams got very vivid. Dropping to 80 mcg fixed the fog. No real hangover. Stress still there, but nights feel more regular. I'll keep using it.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP for truck-stop sleep 2026-09-18
Miguel W. Verified Reviewer

I'm 41 and drive a semi, so my sleep is a mess. Started DSIP at 100 mcg subq about 30 min before bed. First week not much, maybe fell asleep 15 min faster. By week three I was getting 6.5 hours instead of 4-5, and woke up less at truck stops. No groggy hangover, but if I took 150 mcg I felt a little flat in the morning. Helped with road stress, not a miracle. Ran it 5 nights on, 2 off for a month.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped my sleep, not a cure-all 2026-09-08
Ivy W. Verified Reviewer

38, sales rep, travel a lot so my sleep was wrecked. Tried DSIP at 150 mcg subq about 45 min before bed, 5 nights on/2 off for 6 weeks. First week had vivid dreams and a little grogginess, then it settled. I'm falling asleep in maybe 20 minutes instead of an hour, and wake up once instead of 3-4 times. Deep sleep on my tracker went from about 45 min to 1h10. Not much for daytime stress, but no hangover or morning fog. Injection site stung a couple times. It's not cheap, but I'll keep some for travel.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Solid deep sleep boost, not a knockout 2026-09-01
Wade W. Verified Reviewer

I'm 55 and work as a PT, so recovery matters. Tried DSIP at 100 mcg subq about 30 min before bed, five nights on, two off, for three weeks. First two nights I got a mild headache and vivid dreams, then it settled. My watch showed deep sleep up from about 45 min to 1 hr 15, and I went from waking 3x to once. No morning grogginess once the dose stayed steady. I was also nodding off around the same time each night. Not a knockout, but deeper sleep and less stress. 4/5. Realistic expectations needed.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped my deep sleep without morning fog 2026-08-28
Tanisha R. Verified Reviewer

43 y/o trainer here. Ran DSIP at 100 mcg subq about 30 min before bed, 5 nights on/2 off, for 6 weeks. First week had mild headache and crazy vivid dreams, but that faded. My sleep tracker went from 45 min deep sleep to around 1h15, and wake-ups dropped from 3-4 to maybe 1. Falling asleep is faster, 15-20 min vs 40. No morning fog, which is why I kept using it. Stress feels maybe 20% lower, not a miracle. Circadian rhythm feels steadier when I dose consistently. Injection site stung a couple times. Not cheap, but it works for me.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped my sleep without a zombie morning 2026-08-26
Boris W. Verified Reviewer

I'm 41, work as an accountant, and stress was wrecking my nights. I tried DSIP at 100 mcg subq about 30 minutes before bed, 5 nights on and 2 off, for 6 weeks. Sleep latency went from around 45 minutes to 15. My tracker showed deep sleep up from 1h10 to 1h45, and I woke maybe once instead of three times. First two nights I had a mild headache, and one morning felt a little foggy for an hour. Vivid dreams too. Stress felt a bit easier to handle, not dramatic. No real hangover. I'll keep using it a few nights a week.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped, but timing mattered 2026-08-23
Brandon R. Verified Reviewer

I’m 55 and mostly desk-bound, so sleep had gotten rough. Tried DSIP at 100 mcg subq about 30 min before bed, 5 nights on, 2 off, for four weeks. First week was subtle. By week three I was falling asleep in about 20 minutes instead of 45, and my watch showed deep sleep up from 38 to 55 minutes. I still wake once for the bathroom, but I get back down faster. No real hangover, just a little heavy first two mornings, so I moved my dose earlier. Work stress feels less jagged, and my wake time is more consistent. Not a knockout, but worth it for me.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP for long-haul sleep 2026-08-22
Rob R. Verified Reviewer

I’m 34, drive long haul, so sleep is all over. Started DSIP 100 mcg subq about 30 min before bunk time, 5 nights on, 2 off, for 3 weeks. First week: wild dreams, woke twice instead of my usual 4-5. By week two, falling asleep went from ~45 min to ~20. Deep sleep on my watch went from 38 min to 1h10m. No morning fog, which surprised me. Stress? still there, but less jaw clenching. One night 200 mcg made me groggy, so I stayed at 100. Helps me reset after night runs, not magic.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped my sleep, but dose matters 2026-08-18
Stacey R. Verified Reviewer

Medically retired mechanic, 34. Ran DSIP at 100 mcg before bed for 3 weeks. First few nights didn't notice much, maybe slept a bit deeper by day 5. By week 2 I was getting 6.5-7 hrs instead of my usual 4-5, and waking up less at 2 am. No grogginess in the morning, which surprised me. Stress didn't vanish but I wasn't grinding my teeth as much. Tried 150 mcg once and felt a little flat the next day, so stayed at 100. Sleep tracker showed deeper sleep up about 20%. Not a miracle but solid. Would buy again.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Solid sleep help at 55 2026-08-15
Brandon R. Verified Reviewer

I’m 55 and sit at a desk all day, so my sleep had gotten pretty bad—waking at 2 or 3 a.m., then dragging through meetings. I tried DSIP at 100 mcg before bed, five nights a week, for about six weeks. It didn’t knock me out, but I started falling asleep faster, maybe 20 minutes instead of an hour. I’d wake up once instead of three times, and felt more rested. No grogginess the next morning. A few nights I had mild headache if I dosed too late. Stress felt a bit lower too. Worth trying if you’re patient.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped me stay asleep after long warehouse shifts 2026-08-08
Rosa R. Verified Reviewer

I'm 52 and run a warehouse floor, so by 9pm my body is tired but my brain won't shut off. Started DSIP at 100 mcg subq about 30 min before bed, 5 nights on, 2 off, for 3 weeks. First couple nights I got a mild headache, but it faded. Now I fall asleep in maybe 25-30 min instead of an hour plus, and I'm up once or twice instead of four times. No morning hangover, which is big. Stress is still there, but I'm less wired at bedtime. Not a miracle, but worth it for me.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP worked better than I expected for sleep 2026-07-31
Hector W. Verified Reviewer

I'm 52, work as a PT so I'm on my feet all day. Tried DSIP at 100 mcg subq about 30 min before bed for 3 weeks. First few nights I woke up around 3 a.m., but by day 5 I was falling asleep in 20 min instead of 45. My watch showed deep sleep up from 48 min to 1h 15m on average. No groggy hangover, though I did have vivid dreams. Stress didn't melt away, but I felt less wired at night. Took a 2-day break each week. Not a miracle, but solid.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped my deep sleep, but dose matters 2026-07-27
Juan R. Verified Reviewer

Tried DSIP at 150 mcg subq about 30 min before bed for 3 weeks. I'm 28, ex-mechanic, and my sleep was wrecked from years of early shifts. First two nights felt like nothing. By night four I was falling asleep faster and staying out. My tracker showed deep sleep went from around 45 min to 1 hr 10 min most nights. No hangover, just a little groggy if I dosed 250 mcg, which also gave me vivid dreams and a mild headache once. Dropped back to 100-150 and that stopped. Stress wasn't dramatically better, maybe slightly. Good for resetting a schedule, not a knockout.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Works for a chef's messed-up schedule 2026-07-24
Omar W. Verified Reviewer

55-year-old chef here. I started DSIP at 150 mcg subq about 30 min before bed, 5 nights a week for a month. First few nights nothing, maybe vivid dreams. By day 10 I was falling asleep in 20 min instead of my usual hour. My watch showed deep sleep going from 45 min to around 1h10. Waking up at 3am dropped from most nights to maybe once a week. No real hangover, though if I dosed after 1am I felt a little heavy until coffee. Stress at close is still there but I'm less wired. Mild redness at injection site twice. Worth it.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped me sleep through the night on the road 2026-07-18
Alicia R. Verified Reviewer

34 y/o sales rep here, lots of hotels and late client dinners. Tried DSIP at 100 mcg subq about 30 min before bed for 3 weeks. First few nights felt a little head pressure, nothing wild. By night 4 I was falling asleep in 20 min instead of 45-60, and I stayed asleep until my alarm maybe 5 out of 7 nights, vs 2-3 before. Woke up clear, no grogginess. Work stress still there but I handled it better. Not a miracle, but worth it for travel weeks.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Helped me stay asleep, but start low 2026-07-10
Dana W. Verified Reviewer

31 y/o office guy here. Used 100 mcg subq about 30 min before bed for 3 weeks, then tried 200 mcg twice. First few nights had a mild headache and one morning felt foggy, so I dropped back to 100. Sleep tracker went from ~45 min deep sleep to around 1h10, and I woke up maybe once instead of 3-4 times. Falling asleep still takes me 20-30 min. Stress feels a bit lower, not dramatic. No real hangover at 100 mcg. It's not a knockout pill, but worth trying if your schedule is already consistent.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP helped this old trucker sleep, mostly 2026-07-09
Paula W. Verified Reviewer

Started DSIP about 6 weeks ago. I'm 55, drive long haul, so my sleep was pretty wrecked. Did 100 mcg subq around 30 min before bed, 5 nights on 2 off. First week not much, then by day 10 I was getting maybe 6.5 to 7 hours instead of 4-5. Waking less at 2am, maybe once instead of 4 times. No grogginess next morning, which matters when I roll at 5am. Cravings for junk less? Stress still there but I handle it better. Only side effect was a little vivid dreaming and one night mild headache. I'll keep using it, but not every night.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Solid for staying asleep, not a knockout 2026-07-01
Dana W. Verified Reviewer

I’m 31 and work a desk job, so my sleep had gotten pretty rough—waking up 3-4 times a night, doomscrolling at 1am. Tried DSIP at 200 mcg subQ about 30 minutes before bed for six weeks, 5 nights on, 2 off. First few days gave me a mild headache and really vivid dreams, but that faded. Sleep latency went from around 45 minutes to 15-20. My watch showed deep sleep up from ~40 minutes to just over an hour. No morning hangover, which was the main reason I stuck with it. Stress didn’t vanish, but I felt less wired at night. At 300 mcg I got a little groggy, so 200 was my sweet spot.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
Worked for deeper sleep, weird dreams at first 2026-06-29
Hector W. Verified Reviewer

I'm 52 and on my feet all day doing PT, so sleep has been rough for years. Tried DSIP at 100 mcg subQ about 45 min before bed, 5 nights on, 2 off, for three weeks. My Oura showed deep sleep went from around 50 min to 1 hr 20 on average. Falling asleep took maybe 15-20 min less. No morning fog after the first couple days. Stress wasn't magically gone, maybe a 3/5, but evenings felt calmer. Only side effect was very vivid dreams the first week. I'll keep using it.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP paperwork notes 2026-06-19
Jessica F. Top Reviewer

I'm 38, work as a nurse, so I'm picky about documentation. Ordered DSIP as lab reference material, not for personal use. It showed up in a few days and the batch COA was in the box. I had alot of questions about the docs, and customer service got back pretty quick, even said which outside lab ran the analysis. Not gonna lie, that's all I can speak on. tbh no dose, no amount, no results, no side effects to report. I know that's not the review people want, but I'm only logging the paperwork and service side. Nothing here is a recommendation, imo just a record of a transaction.

Eficacia: 4/5 Seguridad: 4/5 Valor: 4/5
DSIP order, docs only 2026-05-17
Jessica F. Top Reviewer

First order came in a few days with the batch COA. I'm 38, work as a chef, so I don't have time to chase paperwork, and they answered my questions quick, even said which outside lab did the testing. I got it as lab reference material only, so im just writing about the docs and service side. No dose, no duration, no results, no sides to report tbh. Not saying anyone should use it, imo. Wish more orders were this easy on the admin stuff, not gonna lie. That's it.

Eficacia: 5/5 Seguridad: 4/5 Valor: 4/5