Ascension Peptides vs Penguin Peptides
On our published method, Penguin Peptides scores higher (74 vs 70). On the 15 compounds both sell, Ascension Peptides is cheaper per mg on 10 and Penguin Peptides on 5.
Checked Oct 21, 2026
| Attribute | Ascension Peptidesascensionpeptides.com | Penguin Peptidespenguinpeptides.com |
|---|---|---|
| Method score | 70/100 | 74/100 |
| COA transparency (/40) | 40 | 25 |
| Independent tests (/25) | 0 | 14 |
| Regulatory record (/20) | 20 | 20 |
| Public COAs | Yes | Yes |
| Lot-matched COAs | Yes | Not confirmed |
| Testing labs named | Kovera Labs; MZ Biolabs | Northline Analytical (Denver, CO) |
| Methods on COA | HPLC-UV-MS | None confirmed |
| Independent results | Listed on Finnrick with 0 tests: "not enough classifiable tests to rate this vendor yet". | Finnrick: 5 of 9 classifiable tests passed, all on GLP-1 compounds (rating 73%, #255 of 482); Finnrick notes "missing batch identifiers on every record". Latest test Aug 6, 2026. |
| FDA / regulator record | None found | None found |
| Shipping | $15 flat in the US, free over $250. UPS or USPS, 2-5 business days. | US only; 1-3 business days to process; adult signature over $700. Rates not published on the policy page. |
| Payment | Visa, Discover, Amex, Apple Pay, Google Pay, ACH (LinkMoney) | Not published |
| Returns | All sales final. Damaged or defective items must be reported within 24 hours of receipt. | All sales final; returns only for verified manufacturing defects. Damage reported within 48 hours. |
Price per mg on shared compounds
| Compound | Ascension Peptides | Penguin Peptides | Difference |
|---|---|---|---|
| NAD+ | $0.101000 mg · $104 | $0.121000 mg · $119 | Ascension Peptides −13% |
| GHK-Cu | $0.59100 mg · $59 | $0.74100 mg · $74 | Ascension Peptides −20% |
| BPC-157 + TB-500 blend | $4.5020 mg · $90 | $5.0020 mg · $100 | Ascension Peptides −10% |
| BPC-157 | $4.9010 mg · $49 | $6.2010 mg · $62 | Ascension Peptides −21% |
| Semax | $5.0010 mg · $50 | $8.5010 mg · $85 | Ascension Peptides −41% |
| Selank | $5.0010 mg · $50 | $8.5010 mg · $85 | Ascension Peptides −41% |
| Epithalon | $5.0010 mg · $50 | $5.2010 mg · $52 | Ascension Peptides −4% |
| KPV | $5.0010 mg · $50 | $6.9010 mg · $69 | Ascension Peptides −28% |
| CJC-1295 (no DAC) + Ipamorelin | $5.9020 mg · $118 | $5.5020 mg · $110 | Ascension Peptides +7% |
| DSIP | $6.0010 mg · $60 | $8.005 mg · $40 | Ascension Peptides −25% |
| MOTS-c | $6.2010 mg · $62 | $4.9240 mg · $197 | Ascension Peptides +26% |
| Thymosin Alpha-1 | $7.1010 mg · $71 | $9.7010 mg · $97 | Ascension Peptides −27% |
| Ipamorelin | $10.005 mg · $50 | $6.0010 mg · $60 | Ascension Peptides +67% |
| Tesamorelin | $10.005 mg · $50 | $6.2520 mg · $125 | Ascension Peptides +60% |
| TB-500 | $10.805 mg · $54 | $7.0010 mg · $70 | Ascension Peptides +54% |
Each vendor's cheapest size per mg, before codes and shipping.