VERDICT
UK Peptides wins this matchup overall with 6.0/10 against 4.5/10 for Core Peptides. UK Peptides comes out ahead on purity & testing, transparency, price & value, shipping and support. In short — Core Peptides: Buyers who mainly look at stated purity. UK Peptides: Buyers who mainly look at stated purity.
| Criterion | Core Peptides | UK Peptides |
|---|---|---|
| Overall score | 4.5 | 6.0WIN |
| Purity & testing | 4.8 | 6.5WIN |
| Transparency | 4.2 | 5.5WIN |
| Price & value | 4.6 | 6.0WIN |
| Shipping | 4.7 | 6.3WIN |
| Support | 4.1 | 5.3WIN |
| Best coupon | Not published | Not published |
| Price range | Not published | Not published |
| Free shipping from | Not published | Not published |
| Delivery | Not published | Not published |
| Ships to | United States | United Kingdom |
| Range | Not published | Not published |
| Purity claim | Not published | Not published |
| Lab testing | Claims quality control testing; cGMP facilities | Claims third-party testing, COAs and 99%+ HPLC purity; ISO-certified facility |
| Public COAs | Not published | Not published |
| Payment methods | Credit card | Credit card, Crypto, Bank transfer |
| Contact | Not published | Not published |
| Refunds | Not published | Not published |
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