Head to head · October 2026
American Research Pens vs Licensed Peptides
Licensed Peptides scores higher, 84 to 43. The widest gap is testing & certificates. Same formula, same data fields, October 2026.
43/100
Factor by factor
| Factor | American Research Pens | Licensed Peptides | Edge |
|---|---|---|---|
| Testing & certificates | 33 | 100 | Licensed Peptides |
| Documentation depth | 25 | 85 | Licensed Peptides |
| Transparency | 66 | 94 | Licensed Peptides |
| Track record | 11 | 27 | Licensed Peptides |
| Catalog | 45 | 85 | Licensed Peptides |
| Pricing | 50 | 65 | Licensed Peptides |
| Ordering & service | 82 | 80 | American Research Pens |
Fact sheets side by side
| American Research Pens | Licensed Peptides | |
|---|---|---|
| Overall score | 43/100 (#32) | 84/100 (#1) |
| Status | Operating | Operating |
| Based in | US | Boca Raton, FL |
| Founded | Not stated | Not stated |
| Third-party testing | Limited | Yes |
| Laboratories named | None named | Vanguard Laboratory, Ethos Analytics |
| Public certificates | Not verified | Yes |
| Lot-specific certificates | Not verified | Yes |
| Formats | pens | vials, nasal, capsules, blends |
| Catalog size | ≈10 | ≈58 |
| BPC-157 5 mg listed price | — | — |
| Free shipping from | $250 | $200 |
| Payments | card, wire, ach, e-check, crypto | card, apple_pay, google_pay |
| Ships internationally | No | No |
| Research-use disclaimer | Yes | Yes |
| FDA warning letter | None found | None found |
Read the full reviews: American Research Pens · Licensed Peptides. Both suppliers sell materials labeled for laboratory research use only.
Frequently asked questions
Which is better, American Research Pens or Licensed Peptides?
On our formula Licensed Peptides scores higher (84 vs 43). The largest gap is in testing & certificates (33 vs 100). "Better" depends on what you weight; both fact sheets are on this page.
Do both publish certificates of analysis?
American Research Pens: not verified. Licensed Peptides: yes. Lot-specific certificates — American Research Pens: not verified; Licensed Peptides: yes.
Which is cheaper?
We could not compare a like-for-like listing; price tiers are premium (American Research Pens) and mid (Licensed Peptides).