Cheapest DSIP prices: best $/mg after codes
Cognitive / NootropicAlso known as: Delta sleep-inducing peptide
Sleep-architecture research peptide tracked as a single-vial product across lab vendors.
📖 New to DSIP? Read the full guide →Cheapest DSIP right now
$18.23 at Flawless Compounds
Best value is $2.76/mg at Flawless Compounds. Prices updated October 23, 2026.
Cheapest by size
after code peptidepub
sold as DSIP 5mg
after code peptidepub
| Vendor | Testing How grades work | Size | Price | $/unit | Deal |
|---|---|---|---|---|---|
Flawless CompoundsBest valueBest tested USA | 7/7 tested | 10 mg | $27.58$32.45 after code peptidepub | $2.76/mg | |
Iron Protocol USA | 7/7 tested | 10 mg | $27.58$32.45 after code peptidepub | $2.76/mg | |
Ascension Peptides USA | 6/7 tested | 10 mg | $30$60 after code PEPTIDEPUB | $3/mg | |
Glow Aminos | 0/7 tested | 10 mg | $30.09$35.40 after code peptidepub | $3.01/mg | |
NextGen Peptides USA | 7/7 tested | 10 mg | $31.50$35 after code peptidepub | $3.15/mg | |
Puratek Peptides USA | 7/7 tested | 10 mg | $34.95 | $3.50/mg | |
Flawless Compounds USA | 7/7 tested | 5 mg | $18.23$21.45 after code peptidepub | $3.65/mg | |
Iron Protocol USA | 7/7 tested | 5 mg | $18.23$21.45 after code peptidepub | $3.65/mg | |
Glow Aminos | 0/7 tested | 5 mg | $19.89$23.40 after code peptidepub | $3.98/mg | |
Valor Peptides | 6/7 tested | 10 mg | $40.49$44.99 after code PEPTIDEPUB | $4.05/mg | |
AMP (Ameano Peptides) | 3/7 tested | 10 mg | $52.20$58 after code PEPTIDEPUB | $5.22/mg | |
EZ Peptides | 2/7 tested | 10 mg | $52.20$58 after code PEPTIDEPUB | $5.22/mg | |
Glacier Aminos | 7/7 tested | 10 mg | $53.99$59.99 after code PEPTIDEPUB | $5.40/mg | |
Purus Peptides USA | 4/7 tested | 5 mg | $31.20$39 after code peptidepub | $6.24/mg | |
Soraci Labs USAsold as DSIP 10mg | 3/7 tested | 10 mg | $71.99 | $7.20/mg | |
Healius Peptides USA | 4/7 tested | 15 mg | $121.46$134.95 after code jake10 | $8.10/mg | |
LabSourced Peptides USA | 7/7 tested | 5 mg | $41.65$49 after code peptidepub | $8.33/mg | |
Valkyrie Peptides | 4/7 tested | 5 mg | $54$60 after code PEPTIDEPUB | $10.80/mg | |
Licensed Peptides sold as DSIP 5mg | 0/7 tested | 5 mg | $56.99$59.99 after code peptidepub | $11.40/mg | |
World Wide Peptides | 6/7 tested | 5 mg | $97.20$108 after code PEPTIDEPUB | $19.44/mg |
Prices are for research materials sold for laboratory use only. PeptidePub may earn a commission from vendor links or codes at no cost to you. This does not affect testing grades or rankings. See our methodology. Best value is the lowest $/mg among vendors with verifiable published testing; Best tested is the vendor passing the most of our 7 testing checks.
Which size should I buy?
On this page the bigger vial is not cheaper per mg right now: the cheapest 5 mg option is $3.65/mg and the cheapest 15 mg option is $8.10/mg.
The saving only counts if you can use the vial within its storage window. This peptide's guide lists a reconstituted use-within window of 2-7 days. See handling and storage.
Smaller vials cost more per mg but waste less if a vial sits open past its window. Filter to 5 mg and Filter to 15 mg.
Watch DSIP prices
Today's best is $2.76/mg. We'll email you when a tested vendor beats it, a discount code changes, or new lab results come in. No spam — only real changes.
Cheapest DSIP price FAQ
What's the cheapest DSIP?
The cheapest DSIP right now is $2.76/mg at Flawless Compounds for the 10 mg option, after code peptidepub.
How is DSIP price per mg calculated?
PeptidePub normalizes each vial by dividing the effective checkout price by the listed size in mg. That lets different vial sizes sit in one cheapest-first comparison.
Are discount codes included in these prices?
Yes. When a vendor has a confirmed code percent in the catalog, PeptidePub applies that discount before calculating effective price and effective price per unit. Codes without a confirmed percent are shown, but they are not used to lower the calculated price.
How often are prices updated?
The catalog is refreshed daily from vendor data sweeps, and the page reflects the current catalog values at build time. When vendor pricing or codes change, the comparison and cheapest-offer answer update from the same source data.
Which size should I buy?
On this page the bigger vial is not cheaper per mg right now: the cheapest 5 mg option is $3.65/mg and the cheapest 15 mg option is $8.10/mg. The saving only counts if you can use the vial within its storage window.
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