PE-22-28 10 mg vial
- Peptide Plugs$40Listed priceCOA tested Aug 12, 2026
- Ion Peptides$49Listed price · deal not verifiedCOA tested May 29, 2026
PE-22-28 is commonly sold or discussed for focus, memory, mood, and other cognitive goals.
Also known as pe 22-28 · pe-22-28
Current picks · Nov 14, 2026
Up to three of the lowest effective prices per exact product among vendors that passed the trust floor, were in stock and checked within 72 hours, and have a COA on file for that product and strength tested within 12 months. Affiliate relationships never affect picks or their order.
Same format. Same amount.
1 of 1 exact products have at least one pick. Vendor counts reflect the current price observations. Testing records for every vendor and strength: PE-22-28 COAs →
Historical market context
Historical market low and median per mg across recorded offers. These market summaries are separate from our exact-product comparisons.
History updated Sep 21, 2026. Vendor coverage, package sizes, product forms and promotions can vary over time. Use exact-product comparisons for current listed prices; historical market prices do not establish vendor trust.
| Date | Low /mg | Median /mg | Vendors | Offers |
|---|---|---|---|---|
| $0.86 | $4.45 | 17 | 22 | |
| $0.96 | $4.50 | 16 | 21 | |
| $3.42 | $5.22 | 11 | 13 | |
| $0.45 | $4.70 | 6 | 10 |
What it is
PE-22-28 is commonly sold or discussed for focus, memory, mood, and other cognitive goals.
This label describes the available research record, not whether the compound is safe or effective for an individual.
Research context
No registered human trial was identified under this exact name in the current review. Published work may be preclinical or indexed under another name.
Search indexed research for this compound ↗Market context
PE-22-28 is commonly sold or discussed for focus, memory, mood, and other cognitive goals. That describes market demand, not proof that the compound is safe or effective.
Market demand and online discussion do not establish product quality, safety, or effectiveness.Vendor directory
Grades describe the vendor record overall, not a test of every product. Lowest prices are effective single-package prices across formats; open a comparison for the exact product.
| Vendor | Grade | Offers | In stock | Lowest effective package |
|---|---|---|---|---|
| Peptide Plugs | Grade A- | 1 | 1 | $40 · 10 mg vialObserved Nov 14, 2026 |
| Southern Aminos | Grade A- | 1 | 1 | $44 · 10 mg vialEarlier observation Nov 2, 2026 |
| Rocky Mountain Compounds | Grade B+ | 1 | 1 | $30 · 10 mg vialEarlier observation Oct 26, 2026 |
| Simple Peptide | Grade B | 1 | 1 | $72 · 10 mg vialEarlier observation Sep 27, 2026 |
| Ion Peptides | Grade B | 1 | 1 | $49 · 10 mg vialObserved Nov 14, 2026 |
| Paramount Peptides | Grade B | 1 | 1 | $55.25 · 10 mg vialObserved Nov 14, 2026 |
| Premier Bio Labs | Grade A- | 1 | 1 | $47 · 10 mg vialEarlier observation Sep 21, 2026 |
10 tracked vendors list PE-22-28 without a current offer: Polaris Peptides (Grade A-), Bulk Peptide Supply (Grade B+), Core Peptides (Grade B+), RUO (Grade B), Nationwide Peptides (Grade B+), Mile High Compounds (Grade B), Peptidology (Grade C), Atomik Labz (Not graded), Skye Peptides (Not graded), Tydes (Not graded).
Sources and review
Last editorial review: Aug 30, 2026. Sources support the compound guide only and do not affect vendor grades.