DSIP
Delta sleep-inducing peptide.
- Sizes available
- 5mg · 10mg
- Lab certificate (COA)
- Supplier-published sample
· Research-grade only · Not for human consumption · 21+ ·
Delta sleep-inducing peptide. Improves sleep quality.
Mechanism · Nonapeptide (Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu). Delta-wave sleep promoter.
Best for. Not for.
Best for
- Users prioritizing sleep quality (deep delta-wave sleep)
- Anxiety and sleep adjunct (anxiolytic effect)
- Subq pre-bed protocol users on
Not for
- Pregnancy or nursing
- Severe sleep apnea (delta-wave may be affected)
- Limited Western clinical data
Mechanism, dose, ramp, risk.
- Mechanism
- Nonapeptide. Promotes delta-wave sleep.Source · PEPVERA editorial
- Target dose
- 100-500 mcg, subq pre-bed.Source · PEPVERA editorial
- Ramp
- Daily.Source · PEPVERA editorial
- Risks
- Few reports.Source · PEPVERA editorial
Compared to its siblings.
DSIP
Delta sleep-inducing peptide. Improves sleep quality.
Pros
- · No hypotension concern like VIP.
Cons
- · Narrower pathway than VIP's sleep, mood, and gut coverage.
VIP (Vasoactive Intestinal Peptide)
Sleep + mood + gut (CIRS).
Pros
- · Broader pathway
Cons
- · Hypotension concern
See VIP (Vasoactive Intestinal Peptide) →
COA per supplier
Published, in-house, or shipment-time
Each supplier declares its own HPLC floor and COA policy. The per-supplier verifier appears on the certificate page; refund and shipping terms vary by supplier and are shown on the supplier listing.
Compare 7 suppliers
| Supplier | Price | COA | Ships | |
|---|---|---|---|---|
| Pure Peptide UKUK | $15$3.00/mg · 5mg | In-house COA | 4 days | Out of stock |
| Royal PeptidesUS | $45$9.00/mg · 5mg | Sample COA published | 3 days | |
| Verified PeptidesUS | $49$4.90/mg · 10mg | Sample COA published | 3 days | |
| Ameano PeptidesUS | $58$5.80/mg · 10mg | Sample COA published | 2 days | |
| Ascension PeptidesUS | $75$7.50/mg · 10mg | Sample COA published | 3 days | |
| Royal PeptidesUS | $78$7.80/mg · 10mg | Sample COA published | 3 days | |
| PeptiraUS | $89$8.90/mg · 10mg | COA with shipment | 3 days | Out of stock |
Direct from foundry. Slower than domestic resellers; consistency is the trade. Insulated packaging, tracked from departure to doorstep. Replacement issued on damage.
Week 1–2
100-500 mcg, subq pre-bed.
Initiation
Week 3–4
100-500 mcg, subq pre-bed.
Signal emerges
Week 5–8
100-500 mcg, subq pre-bed.
Hold
Week 9–12
Cycle review
Assess
Draw 20 units.
0.5 mg = 0.20 mL at 2.50 mg/mL. 10.0 doses per vial.
mind · VI · Royal Peptides
DSIP · 5mg