Best DSIP Vendors in 2026
Cognitive / NeuroRanked by Finnrick trust score, purity testing, and price.
Aavant Research is our #1 pick for DSIP, with a Finnrick trust score of 8.7/10. Across 53 tracked vendors, prices range from $23.00 to $550.00. Rankings combine independent purity testing data, vendor trust scores, pricing, and stock availability. We never accept payment for placement.
#1
Aavant Research
Top Pick8.7/10
$40.00(10mg)— $4.00/mg
In Stock#2
Orbitrex Peptides
9.0/10
$59.99(10mg)— $6.00/mg
In Stock#3
NUPEPS Peptides
9.0/10
$60.00(10mg)— $6.00/mg
In Stock#4
Nextech Labs
7.0/10
$45.00(10mg)— $4.50/mg
In Stock#5
Felix Chem
7.9/10
$59.99(10mg)— $6.00/mg
In Stock#6
Paradigm Peptide
8.9/10
$40.00(5mg)— $8.00/mg
In Stock#7
Eros Peptides
6.9/10
$24.99(5mg)— $5.00/mg
In Stock#8
Peptidology
7.6/10
$58.99(15mg)— $3.93/mg
Out of Stock#9
Paramount Peptides
6.7/10
$65.00(10mg)— $6.50/mg
In Stock#10
Simple Peptide
7.0/10
$35.00(5mg)— $7.00/mg
In Stock#11
Polaris Peptides
7.3/10
$40.00(5mg)— $8.00/mg
In Stock#12
NextGen Health
7.9/10
$35.00
In Stock#13
Risynth Bio
9.1/10
$100.00(10mg)— $10.00/mg
Out of Stock#14
Peptide Sciences
7.2/10
$50.00(5mg)— $10.00/mg
In Stock#15
Bulk Peptides
7.5/10
$140.00(5mg)— $28.00/mg
In Stock#16
Oasis Labs
5.7/10
$37.50(5mg)— $7.50/mg
In Stock#17
Lumi Peptides
7.8/10
$94.50(10mg)— $9.45/mg
Out of Stock#18
BioLongevity Labs
6.0/10
$55.97(5mg)— $11.19/mg
In Stock#19
SwissChems
4.0/10
$24.95(2mg)— $12.47/mg
In Stock#20
True Peptide
$64.00(15mg)— $4.27/mg
In Stock#21
Modern Research
$42.99(10mg)— $4.30/mg
In Stock#22
Ion Peptide
$45.00(10mg)— $4.50/mg
In Stock#23
Step One
$23.00(5mg)— $4.60/mg
Out of Stock#24
Genetic Peptide
$59.99(12.5mg)— $4.80/mg
In Stock#25
Verified Peptides
$49.00(10mg)— $4.90/mg
In Stock#26
Strate Labs
$49.95(10mg)— $5.00/mg
In Stock#27
Mile High Compounds
$49.99(10mg)— $5.00/mg
In Stock#28
Real Peptides
$50.00(10mg)— $5.00/mg
Out of Stock#29
Welli Labs
$25.99(5mg)— $5.20/mg
Out of Stock#30
Ruo Bio
$26.00(5mg)— $5.20/mg
In Stock#31
NorthWest Peptides
$29.99(5mg)— $6.00/mg
In Stock#32
AMC Essentials
$29.99(5mg)— $6.00/mg
In Stock#33
Ignite Peptides
$30.00(5mg)— $6.00/mg
In Stock#34
Arcane Peptides
$30.00(5mg)— $6.00/mg
In Stock#35
Research Chem
$34.99(5mg)— $7.00/mg
In Stock#36
Pepvida Labs
$35.00(5mg)— $7.00/mg
Out of Stock#37
Alpha Omega
$35.00(5mg)— $7.00/mg
In Stock#38
Solution Peptides
$35.00(5mg)— $7.00/mg
In Stock#39
Glow Aminos
$35.00(5mg)— $7.00/mg
In Stock#40
Ascension Peptides
$72.50(10mg)— $7.25/mg
In Stock#41
Flawless Compounds
$39.00(5mg)— $7.80/mg
In Stock#42
Biotech Peptides
$44.00(5mg)— $8.80/mg
In Stock#43
Peptira
$89.00(10mg)— $8.90/mg
In Stock#44
Southern Aminos
$45.00(5mg)— $9.00/mg
In Stock#45
Skye Peptides
$49.00(5mg)— $9.80/mg
In Stock#46
Behemoth Labz
$49.48(5mg)— $9.90/mg
Out of Stock#47
Onyx Research
$50.00(5mg)— $10.00/mg
In Stock#48
Protide Health
$100.00(10mg)— $10.00/mg
In Stock#49
Umbrella Labs
$26.99(2mg)— $13.49/mg
Out of Stock#50
Royal Peptides
$550.00(10mg)— $55.00/mg
In Stock#51
LA Peptides
$29.99
In Stock#52
Wellness Peptides
$32.00
In Stock#53
Riptide Wellness
$44.99
In StockHow we rank vendors
Our composite score weighs Finnrick blind-testing trust scores (50%), Janoshik independent lab tests (20%), price competitiveness (20%), and stock availability (10%). Vendors without Finnrick data are sorted by price below scored vendors. We update data daily and never accept payment for rankings. Learn more.
Last updated: May 23, 2026