Blue Sky Peptide vs Paramount Peptides
Paramount Peptides scores higher, 76 to 56. The widest gap is transparency. Same formula, same data fields, October 2026.
Factor by factor
| Factor | Blue Sky Peptide | Paramount Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 62 | 88 | Paramount Peptides |
| Documentation depth | 33 | 65 | Paramount Peptides |
| Transparency | 46 | 100 | Paramount Peptides |
| Track record | 39 | 39 | Even |
| Catalog | 85 | 79 | Blue Sky Peptide |
| Pricing | 97 | 65 | Blue Sky Peptide |
| Ordering & service | 45 | 45 | Even |
Fact sheets side by side
| Blue Sky Peptide | Paramount Peptides | |
|---|---|---|
| Overall score | 56/100 (#25) | 76/100 (#3) |
| Status | Operating | Operating |
| Based in | US | Irvine, CA |
| Founded | 2013 | 2012 |
| Third-party testing | Yes | Yes |
| Laboratories named | None named | Janoshik |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Not verified | Yes |
| Formats | vials, liquids, blends, bulk | vials, capsules, blends |
| Catalog size | ≈70 | ≈78 |
| BPC-157 5 mg listed price | $42.87 | — |
| Free shipping from | $75 | $500 |
| Payments | Not stated | Not stated |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Blue Sky Peptide review · Paramount Peptides review. Both suppliers sell materials labeled for laboratory research use only.
Both appear on: US-based suppliers · Suppliers with public certificates of analysis · Suppliers with peptide blends.
The factor that separates them
The widest gap is transparency (46 vs 100). Transparency fields are listed in the red flags we record.
Related comparisons
Ascension Peptides vs Paramount Peptides · Core Peptides vs Paramount Peptides · Paramount Peptides vs Pure Peptide Labs
Frequently asked questions
Which is better, Blue Sky Peptide or Paramount Peptides?
On our formula Paramount Peptides scores higher (76 vs 56). The largest gap is in transparency (46 vs 100). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
Blue Sky Peptide: yes. Paramount Peptides: yes. Lot-specific certificates — Blue Sky Peptide: not verified; Paramount Peptides: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are budget (Blue Sky Peptide) and mid (Paramount Peptides).