Peptides 4 Research
Updated Oct 31, 2026
01At a glance
Named lab · Lot COA · HPLC · Mass spec · Outside tested
Accessible
No warning letter, no copied name
02Testing
MDx BioAnalytical Laboratory
Named on the certificate images in product galleries.
Yes: certificate images with batch numbers in product galleries; no separate library page.
Identity and content by mass spectrometry, purity by liquid chromatography, endotoxin.
Each certificate prints a chromatogram and a mass spectrum. The homepage says it tests every peptide twice in US labs.
Independent test results on Finnrick ↗ · May 21, 2025
03Prices
Prices are at the market median.
39 comparable compound and size pairs
7% below market on Sep 28, 2026, at the market median on Oct 31, 2026.
Carries 35 of our compounds (54 listings)
94% of listings in stock; prices checked 31 Oct 2026
| Compound | Lead size | Store $/mg | Market median $/mg | Difference |
|---|---|---|---|---|
| BPC-157 | 10 mg | $6.00 | $5.50 | 9% |
| Retatrutide | 10 mg | $11.40 | $7.95 | 43% |
| TB-500 / Thymosin Beta-4 | 10 mg | $6.50 | $6.40 | 2% |
| 5-Amino-1MQ | 50 mg | Not comparable | $1.60 | Not comparable |
| BPC-157 + TB-500 | 20 mg | Not comparable | $4.70 | Not comparable |
| Cartalax | 20 mg | $3.25 | $3.00 | 8% |
| CJC-1295 no DAC (Mod GRF 1-29) | 5 mg | $6.80 | $7.80 | -13% |
| GHK-Cu | 50 mg | $0.80 | $0.80 | 0% |
| GHRP-2 | 5 mg | $5.80 | $4.00 | 45% |
| GHRP-6 | 5 mg | $5.40 | $4.40 | 23% |
| GLOW blend | 70 mg | Not comparable | $1.41 | Not comparable |
| Ipamorelin | 10 mg | $5.10 | $5.50 | -7% |
| NAD+ | 500 mg | $0.17 | $0.14 | 21% |
| Selank | 10 mg | $3.50 | $4.50 | -22% |
| SS-31 (Elamipretide) | 10 mg | $3.50 | $5.10 | -31% |
| Cagrilintide | 10 mg | Not comparable | $10.00 | Not comparable |
| Cortagen | 20 mg | $2.75 | $2.75 | 0% |
| DSIP (Delta Sleep-Inducing Peptide) | 5 mg | Not comparable | $7.00 | Not comparable |
| IGF-1 LR3 | 1 mg | $85.00 | $71.00 | 20% |
| KLOW blend | 80 mg | Not comparable | $1.50 | Not comparable |
| KPV | 10 mg | $5.50 | $5.20 | 6% |
| Melanotan I (Afamelanotide) | 10 mg | $3.40 | $3.80 | -11% |
| Melanotan II | 10 mg | $2.90 | $3.80 | -24% |
| MGF (Mechano Growth Factor) | 2 mg | Not comparable | $15.00 | Not comparable |
| MOTS-c | 10 mg | $4.20 | $5.00 | -16% |
| Oxytocin | 10 mg | Not comparable | $5.20 | Not comparable |
| Pancragen | 20 mg | $3.25 | $3.00 | 8% |
| Pinealon | 10 mg | Not comparable | $4.70 | Not comparable |
| Prostamax | 20 mg | $2.75 | $3.00 | -8% |
| PT-141 (Bremelanotide) | 10 mg | $3.70 | $4.30 | -14% |
| Sermorelin | 10 mg | $6.40 | $6.90 | -7% |
| SLU-PP-332 | 5 mg | Not comparable | $13.40 | Not comparable |
| SNAP-8 (Acetyl Octapeptide-3) | 10 mg | $2.30 | $3.50 | -34% |
| Thymogen | 20 mg | $2.75 | $3.45 | -20% |
| Vesugen | 20 mg | $3.00 | $3.00 | 0% |
| Vilon | 20 mg | $3.00 | $2.95 | 2% |
04Vendor Watch
Site not answering as of Nov 1, 2026
05Company and payment
How you can pay
Accepts credit cards: Not stated before checkout
Not stated before checkout
Who's behind it
Peptides 4 Research LLC
None listed
Ships to the US and its territories only; public affiliate signup page; flat-rate shipping
06Dates
- Prices last read
- Oct 31, 2026
- Profile last reviewed
- Oct 19, 2026
- Slice generated
- Nov 2, 2026