Barn
21 priced listings across 12 peptides. Typical price 0.41x the market median, cheaper than most.
Finnrick lab data
| Score | 79% Finnrick "Purity focus" |
|---|---|
| Rank | 114 of 345 vendors |
| Tests | 7, 4 passed and 1 failed of those Finnrick could classify |
| Latest test | Jun 8, 2026 |
| Status on Finnrick | Trading |
| Peptide tested | Tests | Score |
|---|---|---|
| Retatrutide | 7 | 79% |
Source: Finnrick profile for Barn, fetched Sep 25, 2026. Scores with few tests are pulled toward the middle. A score describes past samples, not the vial you will get.
Store and policies
| Store site | barnpeptides.com domain check |
|---|---|
| Site status | live |
| Ships from | US, CA and AU (regional warehouses; NZ orders ship from AU) |
| Ships to | US, CA, AU, NZ |
| Payment | crypto |
| COAs | per-batch public |
| Labs cited | Janoshik |
| Free shipping over | Free on every order to US, CA and AU with no minimum; NZ flat 29 USD |
| Shipping time | Ships within 24-48 hours after payment is confirmed; delivery normally 3-7 business days |
| Guarantee | All sales final, no change-of-mind returns; damaged, incorrect or incomplete orders replaced or refunded |
| Minimum order | No MOQ |
| What the site showed | Checkout is crypto only (BTC, USDT, USDC, PYUSD, SOL), and the COA page links each warehouse batch to a Janoshik test, with endotoxin reports for some. |
Read from the store's own pages on Sep 25, 2026: barnpeptides.com/, barnpeptides.com/shipping-info/, barnpeptides.com/faq/, barnpeptides.com/coas/, barnpeptides.com/about/, barnpeptides.com/contact/. Blank means we couldn't confirm it, not that the store doesn't offer it.
Store domains
| Domain | Domain check | Status | Listings |
|---|---|---|---|
| barnpeptides.com | Finnrick-listed | Public prices | 21 |
Finnrick-listed domains carry Barn's score. Other domains use the name on a domain Finnrick doesn't list for it; that alone doesn't make them fake, and each has its own page.
Prices
| Peptide | Size | Pack | Price | Per vial | $/mg | vs median | Stock | Listing |
|---|---|---|---|---|---|---|---|---|
| Retatrutide | 10 mg | 10 vials | $110.00 | $11.00 | $1.10 | 0.80x | In stock | RT10 10mg × 10 vials |
| Retatrutide | 20 mg | 10 vials | $170.00 | $17.00 | $0.85 | 0.62x | In stock | RT20 20MG×10VIALS |
| Retatrutide | 30 mg | 10 vials | $210.00 | $21.00 | $0.70 | 0.51x | In stock | RT30 30mg × 10 vials |
| Retatrutide | 40 mg | 10 vials | $240.00 | $24.00 | $0.60 | 0.43x | In stock | RT40 40MG × 10 VIALS |
| Retatrutide | 50 mg | 10 vials | $280.00 | $28.00 | $0.56 | 0.41x | In stock | RT50 50MG × 10 VIALS |
| Retatrutide | 60 mg | 10 vials | $310.00 | $31.00 | $0.52 | 0.37x | In stock | RT60 60MG × 10 VIALS |
| Tirzepatide | 12 mg | 10 vials | $80.00 | $8.00 | $0.67 | 0.78x | In stock | T12 12MG×10VIALS |
| Tirzepatide | 30 mg | 10 vials | $130.00 | $13.00 | $0.43 | 0.51x | In stock | T30 30mg × 10 vials |
| Tirzepatide | 60 mg | 10 vials | $180.00 | $18.00 | $0.30 | 0.35x | In stock | T60 60MG × 10 VIALS |
| TB-500 | 10 mg | 10 vials | $110.00 | $11.00 | $1.10 | 0.19x | In stock | TB10 10MG × 10 VIALS |
| GHK-Cu | 80 mg | 10 vials | $50.00 | $5.00 | $0.063 | 0.21x | In stock | GHK-CU80 80MG×10VIALS |
| KLOW | 80 mg | 10 vials | $200.00 | $20.00 | $0.25 | 0.31x | In stock | KLOW 80mg × 10 vials |
| KPV | 10 mg | 10 vials | $60.00 | $6.00 | $0.60 | 0.34x | In stock | KPV 10mg × 10 vials |
| Tesamorelin | 10 mg | 10 vials | $180.00 | $18.00 | $1.80 | 0.60x | In stock | Tsm10 10mg × 10 vials |
| Tesamorelin | 20 mg | 10 vials | $310.00 | $31.00 | $1.55 | 0.52x | In stock | Tsm 20 20MG × 10 VIALS |
| MOTS-c | 10 mg | 10 vials | $70.00 | $7.00 | $0.70 | 0.38x | In stock | Mots-c 10 10mg × 10 vials |
| MOTS-c | 40 mg | 10 vials | $200.00 | $20.00 | $0.50 | 0.27x | In stock | Mots-c 40 40mg × 10 vials |
| NAD+ | 500 mg | 10 vials | $80.00 | $8.00 | $0.016 | 0.26x | In stock | NAD+buffer 500 500mg × 10 vials |
| SS-31 | 10 mg | 10 vials | $65.00 | $6.50 | $0.65 | 0.57x | In stock | SS31 10MG×10VIALS |
| DSIP | 10 mg | 10 vials | $80.00 | $8.00 | $0.80 | 0.43x | In stock | Dsip10 10MG × 10 VIALS |
| PT-141 | 10 mg | 10 vials | $65.00 | $6.50 | $0.65 | 0.21x | In stock | PT 10MG×10VIALS |
Prices read from the store on Sep 25, 2026. Always confirm on the store's site before buying.
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