PE-22-28
PE-22-28 is a synthetic peptide derived from spadin, studied as a research compound related to TREK-1 potassium-channel signaling.
Caliber Peptide Index tracks PE-22-28 across 9 research-peptide vendors, with the lowest listed price at $3.46/mg (13mg) at Polarispeptides as of 2026-05-31. Prices below are normalized to dollars per milligram so different vial sizes can be compared on an equal basis. PE-22-28 is sold by third-party vendors for research use only.
Research Applications
Investigated in laboratory research on TREK-1 ion-channel signaling.
Safety Considerations
An experimental research compound, not approved for human use. For laboratory research only — not for human consumption.
Available From 9 Vendors — Sorted by $/mg
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Frequently asked
- How many vendors sell PE-22-28?
- Caliber Peptide Index currently tracks 9 research peptide vendors listing PE-22-28.
- What is the lowest tracked price for PE-22-28?
- The lowest tracked price for PE-22-28 is $3.46/mg (13mg) at Polarispeptides. Prices are sorted by dollars per milligram so different vial sizes can be compared on an equal basis.
- How often are PE-22-28 prices updated?
- Vendor prices are refreshed by our automated scraper (most recent update: 2026-05-31). Always confirm the current price on the vendor's site before purchase.
Caliber Peptide Index is a directory. We do not test, score, or endorse any vendor. Prices listed are what each vendor publishes; verify on the vendor's site before purchase.
Products listed for research purposes only — not for human consumption. Wiki content is summarized from publicly available research literature and is not medical advice.