Is Sigma Peptides legit?
Sigma Peptides review: independent lab test results, published COAs, prices and ordering terms.

Sigma Peptides prices
| Peptide | Cheapest listing | Price | Per mg | Price rank | |
|---|---|---|---|---|---|
| Tirzepatide | GLP-2 T 30MG1 × 30 mg | $149.99 | $5.00 | #166 of 183 | Buy |
| Retatrutide | GLP-3 R 10MG1 × 10 mg | $67.49 | $6.75 | #166 of 198 | Buy |
| Semaglutide | GLP-1 S 10MG1 × 10 mg | $62.49 | $6.25 | #112 of 138 | Buy |
| GHK-Cu | GHK-Cu 50MG1 × 50 mg | $29.99 | $0.600 | #141 of 199 | Buy |
| BPC-157 | BPC-157 10MG1 × 10 mg | $32.49 | $3.25 | #102 of 183 | Buy |
| MOTS-c | MOTS-C 10MG1 × 10 mg | $27.49 | $2.75 | #119 of 188 | Buy |
| NAD+ | NAD+ 500MG1 × 500 mg | $34.99 | $0.070 | #96 of 189 | Buy |
| Tesamorelin | TESA 10MG1 × 10 mg | $34.99 | $3.50 | #82 of 184 | Buy |
| BPC-157 + TB-500 | BPC-157 + TB-500 Blend 10MG1 × 10 mg | $34.99 | $3.50 | #94 of 169 | Buy |
| TB-500 | TB-500 (Thymosin Beta-4) 10MG1 × 10 mg | $22.49 | $2.25 | #68 of 174 | Buy |
| Ipamorelin | Ipamorelin 10MG1 × 10 mg | $29.99 | $3.00 | #81 of 165 | Buy |
| Cagrilintide | Cagrilintide 10MG1 × 10 mg | $49.99 | $5.00 | #85 of 152 | Buy |
| DSIP | DSIP 10MG1 × 10 mg | $22.49 | $2.25 | #63 of 151 | Buy |
| CJC-1295 (no DAC) | CJC-1295 No DAC 10MG1 × 10 mg | $29.99 | $3.00 | #64 of 135 | Buy |
| GLOW | GLOW Blend (BPC-157 + TB-500 + GHK-Cu)1 × 70 mg | $49.99 | $0.714 | #79 of 162 | Buy |
| CJC-1295 (no DAC) + Ipamorelin | CJC-1295 + Ipamorelin Blend1 × 10 mg | $32.49 | $3.25 | #68 of 149 | Buy |
| AOD-9604 | AOD9604 10MG1 × 10 mg | $29.99 | $3.00 | #53 of 138 | Buy |
| KLOW | KLOW Blend (BPC-157 + TB-500 + GHK-Cu + KPV)1 × 80 mg | $59.99 | $0.750 | #77 of 167 | Buy |
| Melanotan II | Melanotan II 10MG1 × 10 mg | $22.49 | $2.25 | #71 of 155 | Buy |
| PT-141 | PT-141 (Bremelanotide) 10MG1 × 10 mg | $22.49 | $2.25 | #73 of 158 | Buy |
| Melanotan I | Melanotan I 10MG1 × 10 mg | $22.49 | $2.25 | #57 of 109 | Buy |
Price rank compares Sigma Peptides's cheapest vial of each peptide with every other vendor's cheapest. Prices are read from Sigma Peptides's website and may have changed.
Sigma Peptides across independent sources
Every source we have for Sigma Peptides, side by side. Tests of vials bought like a customer would weigh more than reports the vendor picked to publish. How the sources compare across all vendors. Had a Sigma Peptides vial tested? Send us the report.
| Source | What it found | |
|---|---|---|
| FinnrickBuys vials anonymously and tests them | 3 tests, passed 33% (95% range 6–79%) | Finnrick page |
| Measured in bought vialsFinnrick and other tests of vials bought like a customer would | Dose 100% (middle half 97–100%, 3 reports); within ±10% of label 100% (95% range 44–100%); purity median 99.01% | |
| Vendor's own COAsReports the vendor chose to publish | 15 reports, no readable numbers | Below |
| TitrateLabAggregates published COAs across labs | See their page | TitrateLab page |
Sigma Peptides independent lab test results (Finnrick)
Finnrick buys vials anonymously and tests them for purity and dose. Sigma Peptides scores 73% and ranks #249, with 1 of 3 tests passed; latest test 3 Mar 2026. Full record on Finnrick.
| Date | Peptide | Result |
|---|---|---|
| 3 Mar 2026 | Retatrutide | Fail |
| 20 Feb 2026 | Retatrutide | Pass |
| 17 Nov 2025 | Retatrutide | Fail |
Sigma Peptides COA and lab reports
Sigma Peptides publishes 15 certificates of analysis, 0 with readable numbers, from Prime Analytical Laboratories.
All Sigma Peptides COA documents
- Tirzepatide · Prime Analytical Laboratories · 2026-03-19 View COA (image)
- PT-141 · Prime Analytical Laboratories · 2026-03-19 View COA (image)
- Tesamorelin · Prime Analytical Laboratories · 2026-03-19 View COA (image)
- GLOW · Prime Analytical Laboratories · 2026-03-18 View COA (image)
- CJC-1295 (no DAC) + Ipamorelin · Prime Analytical Laboratories · 2026-03-18 View COA (image)
- Tirzepatide · Prime Analytical Laboratories · 2026-03-11 View COA (image)
- Cagrilintide · Prime Analytical Laboratories · 2026-03-11 View COA (image)
- BPC-157 · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- GHK-Cu · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- Semaglutide · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- MOTS-c · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- BPC-157 + TB-500 · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- TB-500 · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- Semaglutide · Prime Analytical Laboratories · 2026-02-25 View COA (image)
- Tirzepatide · Prime Analytical Laboratories · 2026-02-25 View COA (image)
Ordering
- Website
- sigmapeptides.com
- Location
- US
- How to order
- Online checkout
- Shipping to the US
- $15.00, free over $300
- Payment
- same-day bank payment (Link Money, US checking), credit/debit card (AuxPay), Visa (Revion Caps)
- Ships from
- US
FAQ
Is Sigma Peptides legit?
Sigma Peptides has a Finnrick score of 73% (#249), with 1 of 3 independent lab tests passed. No red flags were found in its published COAs.
Does Sigma Peptides publish COAs or lab test results?
Yes: 15 published certificates of analysis, 0 with readable numbers, from Prime Analytical Laboratories.
Has Sigma Peptides been independently lab tested?
Finnrick has tested Sigma Peptides 3 times, with 1 of 3 passed.
How do you order from Sigma Peptides?
Online checkout. US shipping: $15.00, free over $300.