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Hydro Research vs Reta-Peptide
Head-to-head on 18 shared peptides: Hydro Research is cheaper on 2, Reta-Peptide on 16. Average price gap 75% — compared Oct 26, 2026.
- Catalog
- 25 peptides
- In stock (shared)
- 18
- Last checked
- Oct 23, 2026(updated 3d ago)
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- Catalog
- 18 peptides
- In stock (shared)
- 18
- 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 — 18 shared peptides
Prices last checked Oct 26, 2026| Peptide | Hydro Research | Reta-Peptide | Δ $/mg |
|---|---|---|---|
| AOD-9604 | $7.00/mg 50mg · $350.00 | $1.80/mgcheaper 50mg · $90.00 | 74% |
| BPC-157 | $6.50/mg 10mg · $65.00 | $0.65/mgcheaper 100mg · $65.00 | 90% |
| CJC-1295 | $6.00/mg 5mg · $30.00 | $2.90/mgcheaper 50mg · $145.00 | 52% |
| Epithalon | $4.50/mg 10mg · $45.00 | $0.99/mgcheaper 100mg · $99.00 | 78% |
| GHK-Cu | $0.55/mg 100mg · $55.00 | $0.06/mgcheaper 1000mg · $58.00 | 89% |
| GLOW | $1.36/mgcheaper 70mg · $95.00 | $3.64/mg 70mg · $255.00 | 63% |
| Ipamorelin | $6.00/mg 5mg · $30.00 | $0.75/mgcheaper 100mg · $75.00 | 88% |
| Kisspeptin-10 | $4.50/mg 10mg · $45.00 | $1.00/mgcheaper 100mg · $100.00 | 78% |
| MOTS-c | $3.50/mgcheaper 10mg · $35.00 | $6.50/mg 10mg · $65.00 | 46% |
| PT-141 | $5.00/mg 10mg · $50.00 | $0.85/mgcheaper 100mg · $85.00 | 83% |
| Retatrutide | $8.75/mg 40mg · $350.00 | $1.35/mgcheaper 100mg · $135.00 | 85% |
| Semaglutide | $9.80/mg 50mg · $490.00 | $0.65/mgcheaper 100mg · $65.00 | 93% |
| Semax | $3.50/mg 10mg · $35.00 | $1.90/mgcheaper 50mg · $95.00 | 46% |
| Sermorelin | $6.40/mg 10mg · $64.00 | $1.35/mgcheaper 100mg · $135.00 | 79% |
| TB-500 | $6.50/mg 10mg · $65.00 | $1.20/mgcheaper 100mg · $120.00 | 82% |
| Tesamorelin | $5.50/mg 10mg · $55.00 | $1.80/mgcheaper 100mg · $180.00 | 67% |
| Thymosin Alpha-1 | $6.50/mg 10mg · $65.00 | $1.75/mgcheaper 100mg · $175.00 | 73% |
| Tirzepatide | $4.17/mg 300mg · $1250.00 | $0.48/mgcheaper 300mg · $145.00 | 88% |
Best available size tier per vendor, normalized to $/mg; in-stock tiers preferred. How prices are collected →
Third-party purity data
On file: Hydro Research — 21 results (Peptigrity ×16 · Disclosed Labs ×5) · Reta-Peptide — 13 results (Finnrick ×11 · Janoshik ×2).
Common questions
Is Hydro Research or Reta-Peptide cheaper?
Across 18 peptides both vendors sell, Hydro Research has the lower $/mg price on 2 and Reta-Peptide on 16. The average per-peptide price gap is 75%. The table above compares each vendor's best size tier on a $/mg basis.
Do Hydro Research and Reta-Peptide have third-party lab tests?
Hydro Research has 21 third-party results on file (Peptigrity ×16 · Disclosed Labs ×5); Reta-Peptide has 13 (Finnrick ×11 · Janoshik ×2). Independent labs test samples bought from vendors and publish HPLC purity — grade A (≥98%) is the research-use baseline.
How many peptides do Hydro Research and Reta-Peptide both sell?
Both vendors list 18 of the same peptides, including AOD-9604, BPC-157, CJC-1295, Epithalon, GHK-Cu and 13 more. Hydro Research tracks 25 peptides total on PepVendors; Reta-Peptide tracks 18.