For laboratory research use only — not for human consumption. This page is informational and does not constitute medical advice.
Core Peptides vs Loti Labs
Head-to-head on 17 shared peptides: Core Peptides is cheaper on 11, Loti Labs on 5, 1 tied. Average price gap 25% — compared Oct 26, 2026.
- Catalog
- 18 peptides
- In stock (shared)
- 16
- Last checked
- Oct 26, 2026(updated today)
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- Catalog
- 26 peptides
- In stock (shared)
- 17
- Last checked
- Oct 26, 2026(updated today)
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 — 17 shared peptides
Prices last checked Oct 26, 2026| Peptide | Core Peptides | Loti Labs | Δ $/mg |
|---|---|---|---|
| AOD-9604 | $8.20/mgcheaper 5mg · $41.00 | $10.00/mg 5mg · $49.99 | 18% |
| BPC-157 | $9.70/mgcheaper 10mg · $97.00 | $10.00/mg 5mg · $49.99 | 3% |
| CJC-1295 | $10.40/mgcheaper 5mg · $52.00 | $14.99/mg 2mg · $29.99 | 31% |
| CJC-1295 + Ipamorelin | $8.00/mgcheaper 10mg · $80.00 | $15.00/mg 5mg · $74.99 | 47% |
| DSIP | $8.20/mgcheaper 5mg · $41.00 | $14.99/mg 2mg · $29.99 | 45% |
| Epithalon | $3.60/mgcheaper 25mg · $90.00 | $4.00/mg 10mg · $39.99 | 10% |
| GHK-Cu | $1.16/mg 50mg · $58.00 | $1.00/mgcheaper 50mg · $49.99 | 14% |
| GHRP-2 | $2.90/mgcheaper 10mg · $29.00 | $5.00/mg 5mg · $24.99 | 42% |
| GHRP-6 | $2.90/mgcheaper 10mg · $29.00 | $5.00/mg 5mg · $24.99 | 42% |
| Ipamorelin | $8.60/mgcheaper 5mg · $43.00 | $12.49/mg 2mg · $24.99 | 31% |
| KLOW | $2.00/mg 80mg · $160.00 | $2.00/mg 80mg · $159.99 | — |
| Melanotan II | $4.10/mg 10mg · $41.00(out of stock) | $4.00/mgcheaper 10mg · $39.99 | 2% |
| Selank | $5.20/mg 10mg · $52.00 | $5.00/mgcheaper 10mg · $49.99 | 4% |
| Semax | $2.52/mgcheaper 25mg · $63.00 | $8.00/mg 5mg · $39.99 | 68% |
| TB-500 | $14.00/mg 10mg · $140.00 | $10.00/mgcheaper 5mg · $49.99 | 29% |
| Tesamorelin | $7.90/mgcheaper 10mg · $79.00 | $8.00/mg 10mg · $79.99 | 1% |
| Thymosin Alpha-1 | $14.90/mg 10mg · $149.00 | $8.00/mgcheaper 10mg · $79.99 | 46% |
Best available size tier per vendor, normalized to $/mg; in-stock tiers preferred. How prices are collected →
Third-party purity data
On file: Core Peptides — 21 results (Peptigrity ×21) · Loti Labs — 25 results (Peptigrity ×19 · Finnrick ×6).
Common questions
Is Core Peptides or Loti Labs cheaper?
Across 17 peptides both vendors sell, Core Peptides has the lower $/mg price on 11 and Loti Labs on 5 (1 tied). The average per-peptide price gap is 25%. The table above compares each vendor's best size tier on a $/mg basis.
Do Core Peptides and Loti Labs have third-party lab tests?
Core Peptides has 21 third-party results on file (Peptigrity ×21); Loti Labs has 25 (Peptigrity ×19 · Finnrick ×6). Independent labs test samples bought from vendors and publish HPLC purity — grade A (≥98%) is the research-use baseline.
How many peptides do Core Peptides and Loti Labs both sell?
Both vendors list 17 of the same peptides, including AOD-9604, BPC-157, CJC-1295, CJC-1295 + Ipamorelin, DSIP and 12 more. Core Peptides tracks 18 peptides total on PepVendors; Loti Labs tracks 26.