OMNI Peptides launched its US research peptide site in 2026, positioning itself around verified purity and batch-level documentation. That’s the same ground Patriot Peptides has built on, which makes this a genuine like-for-like comparison rather than two businesses being compared across different categories.
Both are US-based, both sell lyophilized research compounds, both publish batch-specific Certificates of Analysis, and both test through independent third-party laboratories. The differences come down to catalog breadth, product naming, storage guidance, and a few practical details worth knowing before ordering.
For laboratory research use only. This comparison is for informational purposes and does not constitute an endorsement of either supplier for any use outside legitimate research.
Quick Overview
| OMNI Peptides | Patriot Peptides | |
|---|---|---|
| Launched | 2026 (new to market) | Established catalog |
| Location | Las Vegas, NV | Los Angeles, CA |
| Catalog size | ~15 compounds | 39+ individual compounds |
| Manufacturing | US-based, pharmaceutical-grade raw materials | cGMP-certified US facility |
| Testing | HPLC purity + mass spec identity, third-party | HPLC, mass spec, endotoxin, sterility, third-party |
| COA access | Public COA library + product pages | Public, on every product page |
| Age gate | 21+ verification required before browsing | Not required |
| Shipping | US only, free over $200 | See shipping policy |
| Returns | All sales final (errors excepted) | See site policy |
| Sign-up offer | 10% off (code OMNI10) | Member signup, up to 50% off |
Testing and Transparency
Both suppliers take documentation seriously, and OMNI’s approach is genuinely well structured for a company this new.
OMNI Peptides runs a four-stage verification process: synthesis using pharmaceutical-grade raw materials, purification with internal quality review, independent US-based third-party testing covering HPLC purity and mass spectrometry identity, and batch documentation organized into a public COA library accessible before ordering. They state that batches failing their 99% minimum purity requirement are not released for sale.
Patriot Peptides tests every batch across four named criteria through independent third-party laboratories: HPLC purity, mass spectrometry identity confirmation, endotoxin screening, and sterility testing, with a batch-specific Certificate of Analysis published on every product page.
| Testing Criteria | OMNI Peptides | Patriot Peptides |
|---|---|---|
| HPLC purity | ✅ | ✅ |
| Mass spectrometry identity | ✅ | ✅ |
| Endotoxin screening | Not explicitly named | ✅ |
| Sterility testing | Not explicitly named | ✅ |
| Minimum purity standard | 99% | 99% |
| cGMP-certified manufacturing | Not explicitly stated | ✅ Explicitly stated |
| Public COA library | ✅ | ✅ |
| Account/age gate to browse | 21+ verification required | None |
Worth noting honestly: OMNI explicitly states that batches failing their purity minimum are not released, which is a clear commitment most suppliers don’t spell out in those terms. What their public materials don’t name specifically is endotoxin or sterility testing, two criteria Patriot Peptides lists as standard on every batch.
An Unusual Difference: Storage Guidance
This is the most substantive difference we found, and it isn’t a marketing point on either side.
OMNI Peptides’ storage guide advises using reconstituted peptides within 48 to 72 hours, or aliquoting and freezing to extend viability. Patriot Peptides, along with most of the research peptide category, cites a 28 to 30 day refrigerated window for reconstituted solutions.
That’s a substantial gap in guidance for the same class of compounds. Neither figure is necessarily wrong, stability varies meaningfully by peptide, and the more conservative window may simply reflect a cautious institutional position rather than a difference in product quality. But it’s worth knowing, because a researcher planning a multi-week protocol around a single reconstituted vial would design that protocol very differently depending on which guidance they follow.
Catalog Comparison
| Compound | OMNI Peptides | Patriot Peptides |
|---|---|---|
| BPC-157 | ✅ $79.99 | ✅ BPC-157 (5mg) $84.00 |
| TB-500 | ✅ | ✅ TB-500 (2mg) / TB-500 (5mg) $79.00 |
| GHK-Cu | ✅ $79.99 | ✅ GHK-Cu (10mg) / (50mg) |
| MOTS-C | ✅ $179.99 | ✅ MOTS-C (10mg) $59.00 |
| Tesamorelin | ✅ $69.99–$99.99 | ✅ Tesamorelin (2mg) $79.00 |
| NAD+ | ✅ $59.99–$99.99 | ✅ NAD+ (500mg) |
| CJC-1295 + Ipamorelin | ✅ (blend) | ✅ Blend + standalone CJC-1295 and Ipamorelin |
| Multi-compound blends | ✅ KLOW | ✅ Trinity Plus (22mg) |
| SS-31 (Elamipretide) | ❌ Not listed | ✅ SS-31 (5mg) |
| Humanin | ❌ Not listed | ✅ Humanin (10mg) |
| Epithalon | ❌ Not listed | ✅ Epithalon (10mg) |
| Semax / Selank | ❌ Not listed | ✅ Semax / Selank |
| GHRP-2 / GHRP-6 / Hexarelin | ❌ Not listed | ✅ GHRP-2 / GHRP-6 / Hexarelin |
| Thymosin Alpha-1 | ❌ Not listed | ✅ Thymosin Alpha-1 (5mg) |
| PT-141 / Melanotan / DSIP | ❌ Not listed | ✅ PT-141 / Melanotan I / DSIP |
| KPV / 5-Amino-1MQ | ✅ | ❌ Not listed |
| GLP-class compounds | ✅ Under coded labels (GLP-1 S, GLP-2 T, GLP-3 R) | Listed by compound name |
On the coded naming: OMNI lists several GLP-class compounds under internal codes rather than their recognized compound names, the same pattern we noted with a few other suppliers in this comparison series. It isn’t unusual in this category, but researchers searching by compound name should confirm which compound a coded SKU actually contains before ordering.
Category-by-Category Recommendation
| Research Category | Better Choice | Why |
|---|---|---|
| Tissue Repair (BPC-157, TB-500, GHK-Cu) | Both comparable | Both carry the core compounds with similar testing standards and closely matched pricing |
| Metabolic (AMPK pathway) | Patriot Peptides | MOTS-C is priced at $179.99 at OMNI versus $59.00 at Patriot Peptides, a substantial difference on a directly comparable compound |
| GH Secretagogues | Patriot Peptides | OMNI carries CJC-1295/Ipamorelin as a blend; Patriot Peptides carries the full secretagogue family as standalone compounds |
| Mitochondrial & Longevity | Patriot Peptides | OMNI doesn’t list SS-31, Humanin, or Epithalon; Patriot Peptides carries all three |
| Cognitive & Neuroprotective | Patriot Peptides | Semax, Selank, and related neuropeptides aren’t in OMNI’s current catalog |
| KPV / 5-Amino-1MQ Research | OMNI Peptides | Both compounds are in OMNI’s catalog and not currently listed at Patriot Peptides |
| Short-window Protocols | OMNI Peptides | Their 48–72 hour reconstituted guidance suits protocols designed around fresh preparation |
| Broader Single-Supplier Program | Patriot Peptides | Roughly 2.5× the individual compound catalog |
Pricing Comparison
| Compound | OMNI Peptides | Patriot Peptides |
|---|---|---|
| BPC-157 | $79.99 | $84.00 (5mg) |
| TB-500 | Listed | $79.00 (5mg) |
| GHK-Cu | $79.99 | See product page |
| MOTS-C | $179.99 | $59.00 (10mg) |
| Tesamorelin | $69.99–$99.99 | $79.00 (2mg) |
| NAD+ | $59.99–$99.99 | See product page |
| Multi-compound blend | KLOW $149.99 | Trinity Plus $90.00 |
Pricing between the two is closely matched on several core compounds, with BPC-157 and Tesamorelin landing within a few dollars of each other. MOTS-C is the clearest outlier, where the difference is large enough to matter on any protocol using that compound at volume. As always, vial size should be checked alongside price rather than comparing sticker figures directly.
Where Patriot Peptides Fits
Patriot Peptides carries roughly 2.5 times the individual compound catalog, including several research categories not currently in OMNI’s lineup, manufactured in a cGMP-certified US facility with independent third-party testing across HPLC purity, mass spectrometry identity, endotoxin, and sterility on every batch, and no age gate or account required to browse the catalog or COA library. Browse the full catalog here.
Frequently Asked Questions
Is OMNI Peptides a legitimate supplier?
Based on publicly available information, OMNI Peptides operates as a US-based supplier (Las Vegas, NV) with a public COA library, stated third-party HPLC and mass spectrometry testing, and a documented 99% minimum purity standard. It launched in 2026, so it has a shorter operating history than several established suppliers in this category.
Which supplier has a larger catalog?
Patriot Peptides carries 39+ individual research compounds compared to roughly 15 at OMNI Peptides. OMNI doesn’t currently list SS-31, Humanin, Epithalon, Semax, Selank, or the standalone GH secretagogue family.
Why do the two suppliers give different reconstituted storage guidance?
OMNI advises using reconstituted peptides within 48 to 72 hours; Patriot Peptides and most of the category cite a 28 to 30 day refrigerated window. Stability varies by peptide, and the shorter window likely reflects a more conservative institutional position rather than a product difference, but it’s worth accounting for when planning a protocol.
Does OMNI Peptides sell compounds Patriot Peptides doesn’t?
Yes, KPV and 5-Amino-1MQ are in OMNI’s catalog and not currently listed at Patriot Peptides. Patriot Peptides carries a considerably larger number of compounds OMNI doesn’t stock.
Which supplier is cheaper?
Pricing is closely matched on BPC-157 and Tesamorelin. MOTS-C is substantially cheaper at Patriot Peptides ($59.00 versus $179.99). Checking the specific vial size alongside the COA is recommended over comparing price alone.
Where can I buy research peptides from Patriot Peptides?
Browse the full Patriot Peptides catalog here, cGMP-certified US manufacturing with independent third-party testing and batch-specific COAs on every product page, no age verification or account required to browse.