Paramount Peptides vs Polaris Peptides
Paramount Peptides scores higher, 76 to 26. The widest gap is testing & certificates. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Paramount Peptides | Polaris Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 88 | 6 | Paramount Peptides |
| Documentation depth | 65 | 0 | Paramount Peptides |
| Transparency | 100 | 52 | Paramount Peptides |
| Track record | 39 | 26 | Paramount Peptides |
| Catalog | 79 | 40 | Paramount Peptides |
| Pricing | 65 | 40 | Paramount Peptides |
| Ordering & service | 45 | 52 | Polaris Peptides |
Fact sheets side by side
| Paramount Peptides | Polaris Peptides | |
|---|---|---|
| Overall score | 76/100 (#3) | 26/100 (#44) |
| Status | Operating | Operating |
| Based in | Irvine, CA | US |
| Founded | 2012 | Not stated |
| Third-party testing | Yes | Not verified |
| Laboratories named | Janoshik | None named |
| Public certificates | Yes | No |
| Lot-specific certificates | Yes | Not verified |
| Formats | vials, capsules, blends | Not stated |
| Catalog size | ≈78 | — |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $500 | — |
| Payments | Not stated | card, venmo |
| Ships internationally | No | Not verified |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Paramount Peptides review · Polaris Peptides review. Both suppliers sell materials labeled for laboratory research use only.
Both appear on: US-based suppliers.
The factor that separates them
The widest gap is testing & certificates (88 vs 6). What that factor measures is explained in how to read a certificate of analysis and lot-level vs sample testing.
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Frequently asked questions
Which is better, Paramount Peptides or Polaris Peptides?
On our formula Paramount Peptides scores higher (76 vs 26). The largest gap is in testing & certificates (88 vs 6). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Paramount Peptides: yes. Polaris Peptides: no. Lot-specific certificates — Paramount Peptides: yes; Polaris Peptides: not verified.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are mid (Paramount Peptides) and unknown (Polaris Peptides).