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Loti Labs vs Peptide Partners
Head-to-head on 20 shared peptides: Loti Labs is cheaper on 0, Peptide Partners on 20. Average price gap 61% — compared Oct 26, 2026.
- Catalog
- 26 peptides
- In stock (shared)
- 20
- Last checked
- Oct 26, 2026(updated today)
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- Catalog
- 21 peptides
- In stock (shared)
- 18
- Last checked
- Oct 22, 2026(updated 4d ago)
Some outbound links are affiliate links — we may earn a commission on purchases made through them. It never affects rankings, prices, or purity data. How we make money
Price comparison — 20 shared peptides
Prices last checked Oct 26, 2026| Peptide | Loti Labs | Peptide Partners | Δ $/mg |
|---|---|---|---|
| AOD-9604 | $10.00/mg 5mg · $49.99 | $5.20/mgcheaper 100mg · $520.00 | 48% |
| BPC-157 | $10.00/mg 5mg · $49.99 | $1.00/mgcheaper 800mg · $800.00 | 90% |
| CJC-1295 | $14.99/mg 2mg · $29.99 | $4.44/mgcheaper 200mg · $888.00 | 70% |
| CJC-1295 + Ipamorelin | $15.00/mg 5mg · $74.99 | $4.38/mgcheaper 200mg · $877.00 | 71% |
| DSIP | $14.99/mg 2mg · $29.99 | $6.10/mgcheaper 50mg · $305.00 | 59% |
| Epithalon | $4.00/mg 10mg · $39.99 | $1.98/mgcheaper 400mg · $792.00 | 50% |
| GHK-Cu | $1.00/mg 50mg · $49.99 | $0.45/mgcheaper 2000mg · $900.00(out of stock) | 55% |
| GLOW | $2.14/mg 70mg · $149.99 | $0.88/mgcheaper 700mg · $616.00 | 59% |
| Ipamorelin | $12.49/mg 2mg · $24.99 | $2.88/mgcheaper 200mg · $577.00 | 77% |
| Kisspeptin-10 | $10.00/mg 5mg · $49.99 | $3.83/mgcheaper 200mg · $765.00 | 62% |
| KLOW | $2.00/mg 80mg · $159.99 | $0.97/mgcheaper 800mg · $780.00 | 51% |
| MOTS-c | $6.00/mg 10mg · $59.99 | $2.00/mgcheaper 400mg · $800.00 | 67% |
| PT-141 | $4.00/mg 10mg · $39.99 | $3.20/mgcheaper 100mg · $320.00 | 20% |
| Semaglutide | $11.00/mg 5mg · $54.99 | $4.88/mgcheaper 200mg · $976.00 | 56% |
| Semax | $8.00/mg 5mg · $39.99 | $1.03/mgcheaper 300mg · $310.50 | 87% |
| Sermorelin | $14.99/mg 2mg · $29.99 | $3.98/mgcheaper 200mg · $797.00 | 73% |
| TB-500 | $10.00/mg 5mg · $49.99 | $4.90/mgcheaper 100mg · $490.00 | 51% |
| Tesamorelin | $8.00/mg 10mg · $79.99 | $4.49/mgcheaper 200mg · $898.00 | 44% |
| Thymosin Alpha-1 | $8.00/mg 10mg · $79.99 | $3.70/mgcheaper 100mg · $370.00(out of stock) | 54% |
| Tirzepatide | $5.80/mg 50mg · $289.99 | $1.50/mgcheaper 1200mg · $1800.00 | 74% |
Best available size tier per vendor, normalized to $/mg; in-stock tiers preferred. How prices are collected →
Third-party purity data
On file: Loti Labs — 25 results (Peptigrity ×19 · Finnrick ×6) · Peptide Partners — 19 results (Peptigrity ×10 · Finnrick ×8 · Disclosed Labs ×1).
Common questions
Is Loti Labs or Peptide Partners cheaper?
Across 20 peptides both vendors sell, Loti Labs has the lower $/mg price on 0 and Peptide Partners on 20. The average per-peptide price gap is 61%. The table above compares each vendor's best size tier on a $/mg basis.
Do Loti Labs and Peptide Partners have third-party lab tests?
Loti Labs has 25 third-party results on file (Peptigrity ×19 · Finnrick ×6); Peptide Partners has 19 (Peptigrity ×10 · Finnrick ×8 · Disclosed Labs ×1). Independent labs test samples bought from vendors and publish HPLC purity — grade A (≥98%) is the research-use baseline.
How many peptides do Loti Labs and Peptide Partners both sell?
Both vendors list 20 of the same peptides, including AOD-9604, BPC-157, CJC-1295, CJC-1295 + Ipamorelin, DSIP and 15 more. Loti Labs tracks 26 peptides total on PepVendors; Peptide Partners tracks 21.