Endura Peptides
Updated Oct 31, 2026
01At a glance
Named lab · Lot COA · HPLC · Mass spec · Outside tested
Accessible
No warning letter, no copied name
02Testing
Freedom Diagnostics
Named on the certificates and in the page description.
Yes: 15 certificate PDFs, one per product and strength, each carrying its lot number.
Identity by LC-MS, purity by HPLC-UV, net content and endotoxin.
Lot numbers and dates appear on the documents, not on the listing page.
03Prices
Prices run 19% below the median.
13 comparable compound and size pairs
17% below market on Oct 20, 2026, 19% below on Oct 31, 2026.
Carries 10 of our compounds (15 listings)
87% of listings in stock; prices checked 31 Oct 2026
| Compound | Lead size | Store $/mg | Market median $/mg | Difference |
|---|---|---|---|---|
| Retatrutide | 10 mg | $4.47 | $7.95 | -44% |
| GHK-Cu | 50 mg | $0.87 | $0.80 | 9% |
| MOTS-c | 10 mg | $4.75 | $5.00 | -5% |
| SS-31 (Elamipretide) | 10 mg | $4.85 | $5.10 | -5% |
| BPC-157 + TB-500 | 20 mg | $3.37 | $4.70 | -28% |
| Ipamorelin + CJC-1295 (no DAC) blend | 10 mg | $6.46 | $6.00 | 8% |
| KLOW blend | 80 mg | $1.18 | $1.50 | -21% |
| NAD+ | 500 mg | $0.14 | $0.14 | 0% |
| Tesamorelin | 10 mg | Not comparable | $7.40 | Not comparable |
| Tirzepatide | 10 mg | Not comparable | $7.00 | Not comparable |
05Company and payment
How you can pay
Accepts credit cards: Not stated before checkout
Not stated before checkout
Who's behind it
Endura Research LLC, doing business as Endura Peptides (its FAQ says Endura LLC)
None listed; support@endurapeptides.com
301-241-7211
WooCommerce store, 11 products in 1, 3, 5 and 10 packs. 21+; ships within the US only; free priority shipping over $250. Its FAQ email link opens support@puratekpeptides.com, a Puratek Peptides address.
06Dates
- Prices last read
- Oct 31, 2026
- Profile last reviewed
- Oct 19, 2026
- Slice generated
- Nov 2, 2026