PepsTracker › Vendors › LA Peptides vs Reta One Labs
Updated July 2026 · 14 shared compounds · discount codes applied
Reta One Labs is cheaper on 14 of the 14 shared peptides, LA Peptides on 0 — that is 100% of the 14 compounds where the two actually differ.
Averaged across every shared compound, Reta One Labs runs about 56% lower on cost per milligram. Both figures already include each vendor's discount code.
pepstracker (10% off)pepstracker (5% 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 | LA Peptides | Reta One Labs | Cheaper |
|---|---|---|---|
| NAD+ | $0.135/mg $67.49 / 500mg | $0.112/mg $56.05 / 500mg | Reta One Labs 17% cheaper |
| GHK-Cu | $0.720/mg $35.99 / 50mg | $0.465/mg $46.55 / 100mg | Reta One Labs 35% cheaper |
| Glow Blend | $1.16/mg $80.99 / 70mg | $0.909/mg $63.65 / 70mg | Reta One Labs 21% cheaper |
| Klow Blend | $1.46/mg $116.99 / 80mg | $0.938/mg $75.05 / 80mg | Reta One Labs 36% cheaper |
| MOTS-c | $6.30/mg $62.99 / 10mg | $1.71/mg $68.40 / 40mg | Reta One Labs 73% cheaper |
| Semaglutide | $5.85/mg $58.49 / 10mg | $1.85/mg $37.05 / 20mg | Reta One Labs 68% cheaper |
| Tirzepatide | $9.00/mg $89.99 / 10mg | $2.28/mg $22.80 / 10mg | Reta One Labs 75% cheaper |
| PT-141 (Bremelanotide) | $6.30/mg $62.99 / 10mg | $2.47/mg $24.70 / 10mg | Reta One Labs 61% cheaper |
| Retatrutide | $8.55/mg $85.49 / 10mg | $2.75/mg $27.55 / 10mg | Reta One Labs 68% cheaper |
| BPC-157 + TB-500 Blend | $6.30/mg $62.99 / 10mg | $2.85/mg $57.00 / 20mg | Reta One Labs 55% cheaper |
| SS-31 | $4.50/mg $44.99 / 10mg | $3.23/mg $32.30 / 10mg | Reta One Labs 28% cheaper |
| CJC/Ipa Blend | $6.75/mg $67.49 / 10mg | $3.51/mg $35.15 / 10mg | Reta One Labs 48% cheaper |
| BPC-157 | $5.40/mg $53.99 / 10mg | $3.70/mg $37.05 / 10mg | Reta One Labs 31% cheaper |
| Tesamorelin | $6.75/mg $67.49 / 10mg | $3.70/mg $37.05 / 10mg | Reta One Labs 45% cheaper |
Neither vendor wins across the board, which is the main takeaway. LA Peptides is cheaper on 0 of the 14 shared compounds and Reta One Labs on 14. 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: LA Peptides lists around 47 compounds we track versus 14 at Reta One Labs. Outside the 14 overlap, only one of them will stock what you need.
LA Peptides — code pepstracker for 10% off. Reta One Labs — code pepstracker for 5% 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 14 of the 14 peptides both vendors stock, LA Peptides on 0. Across the compounds where they differ, that is 100% in Reta One Labs's favour. On average cost-per-milligram, Reta One Labs comes out roughly 56% lower. Neither wins everything, so check the specific compound you need.
LA Peptides uses code pepstracker for 10% off, and Reta One Labs uses pepstracker for 5% 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. LA Peptides lists roughly 47 tracked compounds and Reta One Labs lists about 14. 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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