PepsTracker › Vendors › Reta One Labs vs Hydro Research
Updated July 2026 · 14 shared compounds · discount codes applied
Reta One Labs is cheaper on 11 of the 14 shared peptides, Hydro Research on 3 — that is 79% of the 14 compounds where the two actually differ.
Averaged across every shared compound, Reta One Labs runs about 42% lower on cost per milligram. Both figures already include each vendor's discount code.
pepstracker (5% off)PepsTracker15 (15% off)Every price below is the discounted price divided by milligrams, so vial sizes do not distort the comparison. Sorted by cheapest available option.
| Peptide | Reta One Labs | Hydro Research | Cheaper |
|---|---|---|---|
| NAD+ | $0.112/mg $56.05 / 500mg | $0.076/mg $76.50 / 1000mg | Hydro Research 32% cheaper |
| GHK-Cu | $0.465/mg $46.55 / 100mg | $0.383/mg $38.25 / 100mg | Hydro Research 18% cheaper |
| Glow Blend | $0.909/mg $63.65 / 70mg | $1.15/mg $80.75 / 70mg | Reta One Labs 21% cheaper |
| Klow Blend | $0.938/mg $75.05 / 80mg | $1.59/mg $127.50 / 80mg | Reta One Labs 41% cheaper |
| MOTS-c | $1.71/mg $68.40 / 40mg | $2.98/mg $29.75 / 10mg | Reta One Labs 43% cheaper |
| Semaglutide | $1.85/mg $37.05 / 20mg | $8.50/mg $85.00 / 10mg | Reta One Labs 78% cheaper |
| Tirzepatide | $2.28/mg $22.80 / 10mg | $3.68/mg $221.00 / 60mg | Reta One Labs 38% cheaper |
| PT-141 (Bremelanotide) | $2.47/mg $24.70 / 10mg | $4.25/mg $42.50 / 10mg | Reta One Labs 42% cheaper |
| Retatrutide | $2.75/mg $27.55 / 10mg | $7.44/mg $297.50 / 40mg | Reta One Labs 63% cheaper |
| BPC-157 + TB-500 Blend | $2.85/mg $57.00 / 20mg | $5.01/mg $50.15 / 10mg | Reta One Labs 43% cheaper |
| SS-31 | $3.23/mg $32.30 / 10mg | $2.98/mg $148.75 / 50mg | Hydro Research 8% cheaper |
| CJC/Ipa Blend | $3.51/mg $35.15 / 10mg | $5.10/mg $51.00 / 10mg | Reta One Labs 31% cheaper |
| BPC-157 | $3.70/mg $37.05 / 10mg | $4.67/mg $46.75 / 10mg | Reta One Labs 21% cheaper |
| Tesamorelin | $3.70/mg $37.05 / 10mg | $4.67/mg $46.75 / 10mg | Reta One Labs 21% cheaper |
Neither vendor wins across the board, which is the main takeaway. Reta One Labs is cheaper on 11 of the 14 shared compounds and Hydro Research on 3. If you buy a single compound, the table above is the answer. If you are placing one larger order to save on shipping, the vendor that wins your two or three highest-volume compounds usually nets out ahead.
Catalog breadth matters too: Reta One Labs lists around 14 compounds we track versus 40 at Hydro Research. Outside the 14 overlap, only one of them will stock what you need.
Reta One Labs — code pepstracker for 5% off. Hydro Research — code PepsTracker15 for 15% off. Codes are applied before ranking on this page, which is why the order can differ from list prices. Always confirm the code at checkout.
Reta One Labs is cheaper on 11 of the 14 peptides both vendors stock, Hydro Research on 3. Across the compounds where they differ, that is 79% in Reta One Labs's favour. On average cost-per-milligram, Reta One Labs comes out roughly 42% lower. Neither wins everything, so check the specific compound you need.
Reta One Labs uses code pepstracker for 5% off, and Hydro Research uses PepsTracker15 for 15% off. Every price in the comparison table already has these codes applied, which is why the ranking can differ from list prices.
They overlap on 14 compounds. Reta One Labs lists roughly 14 tracked compounds and Hydro Research lists about 40. If you need something outside the overlap, only one of them will have it.
Vial sizes differ between vendors, so sticker price is misleading. A larger vial at a higher price is often cheaper per milligram. Every figure here is the discounted price divided by milligrams, which is the only like-for-like comparison.
Open the live tracker to compare these two against all 25 vendors in real time, or browse every vendor we track.
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