Head to head · October 2026
Blue Sky Peptide vs Core Peptides
Core Peptides scores higher, 78 to 59. The widest gap is transparency. Same formula, same data fields, October 2026.
59/100
Factor by factor
| Factor | Blue Sky Peptide | Core Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 62 | 84 | Core Peptides |
| Transparency | 46 | 100 | Core Peptides |
| Track record | 39 | 44 | Core Peptides |
| Catalog | 85 | 87 | Core Peptides |
| Pricing | 97 | 64 | Blue Sky Peptide |
| Ordering & service | 45 | 65 | Core Peptides |
Fact sheets side by side
| Blue Sky Peptide | Core Peptides | |
|---|---|---|
| Overall score | 59/100 (#21) | 78/100 (#2) |
| Status | Operating | Operating |
| Based in | US | Orlando, FL |
| Founded | 2013 | 2019 |
| Third-party testing | Yes | Yes |
| Laboratories named | None named | Vanguard Laboratory |
| Public certificates | Yes | Yes |
| Lot-specific certificates | Not verified | Yes |
| Formats | vials, liquids, blends, bulk | vials, blends, topical |
| Catalog size | ≈70 | ≈104 |
| BPC-157 5 mg listed price | $42.87 | $52 |
| Free shipping from | $75 | $200 |
| Payments | Not stated | card |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: Blue Sky Peptide · Core Peptides. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, Blue Sky Peptide or Core Peptides?
On our formula Core Peptides scores higher (78 vs 59). 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. Core Peptides: yes. Lot-specific certificates — Blue Sky Peptide: not verified; Core Peptides: yes.
Which is cheaper?
On the reference listing (BPC-157, 5 mg) Blue Sky Peptide is lower: $42.87 vs $52.