Alpha Omega Peptides Review: Grade B With a Sister Brand You Should Know About

Alpha Omega Peptides launched in June 2024 with a named third-party testing lab and over 15,000 public COAs. That alone puts them ahead of most vendors who appeared that year. They use Freedom Diagnostics for HPLC-MS and LAL endotoxin testing. They ship in two days. They accept PayPal, which is genuinely uncommon in this space.

So why a B?

We grade Alpha Omega Peptides 3.5 out of 5. The testing infrastructure is real. The lab is traceable. But the company behind both Alpha Omega and Simple Peptides is the same entity, Melex Technologies Inc, and neither site discloses that. The COAs exist but aren't on product pages. Three different addresses span three states. Zero named humans appear anywhere on the site.

Good testing with poor transparency creates a specific kind of frustration. The data is there if you dig. Most buyers won't dig. Alpha Omega Peptides has the lab infrastructure to support a higher grade, but infrastructure alone doesn't earn one.

This review covers the transparency score breakdown, the Melex Technologies parent company connection, COA access and testing details, the multi-address corporate structure, pricing and catalog quirks, customer reviews across four platforms, and the specific gaps between B and A. We score vendors using our five-signal methodology that weights COA access, batch matching, lab identification, policies, and ownership disclosure. You can compare Alpha Omega against all scored vendors on our vendor rankings page.

The Named Lab score of 1.0 deserves emphasis. Several vendors we've graded A lack a publicly named, traceable testing laboratory. Alpha Omega names Freedom Diagnostics, provides the CLIA number, and the lab's director is on record. That's a meaningful data point that most competitors cannot match.

The Batch Matching score of 1.0 is equally notable. Each COA ties to a specific production batch through its accession number. This means a researcher can verify that the certificate corresponds to the actual product they received, not a generic document recycled across batches. Full batch matching is the standard we look for, and Alpha Omega meets it.

The Policies score of 0.5 reflects a minimal return policy and basic shipping terms. A-grade vendors typically offer longer return windows, accept opened products under defined conditions, or provide clear satisfaction guarantees. Alpha Omega's 30-day unopened-only policy protects the vendor more than the buyer.

The drag comes from COA Access at 0.5. The certificates of analysis exist. Over 15,000 of them. But they live on Freedom Diagnostics' portal, not on Alpha Omega's product pages. You need an accession number to pull them. Compare that to Simple Peptides, which embeds COA links directly on product listings. Simple scores higher on COA access but lower on Named Lab, since they don't always identify the testing facility by name.

Both brands land at a B. They get there by different routes. Alpha Omega's score reflects strong lab infrastructure behind a frustrating access layer. That's fixable. Whether they fix it is the question. Read our full scoring methodology for how each signal is weighted.

Two peptide vendor websites. Two brand names. Two distinct visual identities. One parent company that neither site mentions.

Alpha Omega Peptides and Simple Peptides are both owned by Melex Technologies Inc, registered in Marina del Rey, California. This isn't speculation. USPTO trademark filing #99463538 for Alpha Omega Peptides and filing #99448604 for Simple Peptides both list Melex Technologies Inc as the owner. A third filing, #99505138, registers the Melex Technologies brand name itself, confirming this is a deliberate multi-brand portfolio, not an incidental shared registration. Alpha Omega's trademark was filed October 27, 2025, with a first-use-in-commerce date of June 10, 2024.

The connection was identified publicly before the trademark filings were publicly searchable. A community reviewer named Dave_B_ on Peptide Critic flagged the relationship in November 2025, noting overlapping infrastructure details between the two brands. The USPTO filings, which take weeks to appear in public databases after submission, confirmed what he found independently.

Multi-brand strategy is standard practice in consumer goods. Procter & Gamble owns Tide and Gain. They compete on the same shelf. Nobody considers this deceptive because P&G's ownership is public, printed on every label, and filed in every annual report. The strategy itself is neutral. The disclosure around it is what matters.

The difference here is disclosure. The website alphaomegapeptide.com makes no mention of Melex Technologies. The same is true for simplepeptide.com. A researcher buying from both is unknowingly purchasing from the same supply chain, likely the same inventory, without any indication from either vendor. The brands share a parent company, and almost certainly share sourcing and fulfillment infrastructure, yet present themselves as independent alternatives.

We're not calling this deceptive. We're calling it undisclosed. The distinction matters. There could be legitimate reasons for running separate brands, including market segmentation, different pricing strategies, or catalog differentiation. Those reasons become suspicious only when the shared ownership is hidden.

This is the primary factor behind the Ownership score of 0.5. You can read our full Simple Peptides review for how the same parent company affects their score differently, or browse Simple's vendor profile for a side-by-side comparison.

TikTok peptide reviewers have claimed Alpha Omega Peptides doesn't do third-party testing. They're wrong. But Alpha Omega made it remarkably easy to reach that conclusion.

Freedom Diagnostics handles Alpha Omega's testing. The lab is CLIA-certified (license #14D2263999) and located at 133 Holiday Ct, Suite 106, Franklin, Tennessee. The laboratory director is Sara B. Duff. Testing includes HPLC-MS for identity and purity along with LAL endotoxin testing for bacterial contamination. Over 15,000 COAs are publicly accessible through their portal.

Freedom Diagnostics is not exclusive to Alpha Omega. The lab also performs testing for LuvionBio, Great Northern Peptides, and Hero Peptides Lab, among others. That multi-vendor client base validates it as an industry-accepted testing facility rather than a captive lab created to rubber-stamp results. Testing runs approximately $225 per sample with a one-to-two-week turnaround, a real cost that vendors absorb per batch.

The problem is how you access those COAs.

The certificates aren't on product pages. They're not linked from the cart. You need the accession number for a specific batch, then navigate to Freedom Diagnostics' portal to pull the certificate. Most buyers don't know accession numbers exist, let alone how to use them. The testing is real. The access path is unnecessarily complex.

One data point worth noting: a GLP-2TZ (tirzepatide) 30mg vial tested at 34mg, a 13% overfill. Overfilling is a positive signal. It means the labeled amount is a floor, not a ceiling. Underfilling is the more common and more concerning pattern we see across the industry.

Freedom Diagnostics is real, traceable, and CLIA-certified. That puts them ahead of vendors citing unnamed “independent labs.” They perform the two tests that matter most for peptide research, identity confirmation and purity analysis. That said, they're not Janoshik. The peptide community treats Janoshik as the reference standard for third-party verification, and Freedom Diagnostics doesn't carry that same weight in community trust rankings.

For details on what COA verification actually involves and the difference between a named lab and an accredited one, see our COA verification guide.

Alpha Omega Peptides operates across three addresses in three states, a structure that looks complex but has a straightforward explanation.

Marina del Rey, California is the corporate address tied to Melex Technologies Inc through USPTO filings. Sheridan, Wyoming appears as the domain registrant location, a common choice since Wyoming LLC formation services are used by thousands of e-commerce businesses for privacy and tax structure. Delray Beach, Florida (6586 W Atlantic Ave, Suite #1112) is listed as the returns and fulfillment address.

None of this is unusual on its own. Multi-address operations are standard for online retailers. A corporate address in California, a registered agent in Wyoming, and a fulfillment center in Florida is a completely normal e-commerce footprint. The Wyoming address specifically is a non-signal. Services like Registered Agents Inc. provide thousands of businesses with a Sheridan mailing address. It tells you almost nothing about the actual operation.

The real issue is what's missing from all three locations: a human name.

Alpha Omega has no About page. No founders section. No team bios. No named individual appears anywhere on the site. The domain registration uses Anonymize LLC through Epik for privacy, which is standard. But combined with an undisclosed parent company, zero public-facing people, and three addresses across the country, the picture is one of deliberate anonymity rather than normal business privacy.

This is why Ownership lands at 0.5. The corporate structure is discoverable through public records if you know where to look. But discoverability is not disclosure. A vendor earning a full Ownership score puts that information on their website where buyers can find it without searching USPTO databases.

Searching for semaglutide on Alpha Omega's site? You won't find it under that name. Search GLP-1SG instead.

Alpha Omega Peptides uses coded product names across their catalog. GLP-1SG is semaglutide. GLP-2TZ is tirzepatide. GLP-3RT is retatrutide. This naming convention is common among peptide vendors navigating regulatory gray areas, but it adds a friction layer for researchers who need to cross-reference products against published literature. You need the decoder ring before you can shop.

The catalog lists approximately 24 products, though the company announced a reduction in early 2026. Pricing sits in the mid-range for research peptide vendors. Discount codes are widely available: POWER15 for 15% off, SIMPLYCODES25 for 25%, and newsletter signup yields a 20% code. With codes averaging 13.2% in reported savings and 25% codes circulating freely, the sticker price is effectively a suggested retail number. Factor that into any price comparison.

Payment options are where Alpha Omega genuinely stands out. They accept eight methods: Visa, Mastercard, Amex, PayPal, Apple Pay, Venmo, Zelle, and cryptocurrency. PayPal acceptance is notable because payment processors routinely drop peptide vendors. Maintaining a PayPal account signals either careful compliance work or a young enough account that hasn't triggered review yet. Either way, it's a convenience most competitors can't offer.

Shipping earns consistent praise across every review platform we checked. Two-day delivery is the standard, and customers confirm it. Customer support is available by phone at (888) 453-0711 and email at support@alphaomegapeptide.com. The return policy is less impressive: 30 days on unopened products only. That's the minimum viable return policy, not a confidence signal. Vendors with strong product confidence tend to offer broader terms.

Fewer than 75 total reviews exist for Alpha Omega Peptides across every platform we could find. That's a thin dataset for any conclusions beyond directional signals.

Trustpilot shows 3.4 out of 5 from 7 reviews. The score isn't alarming, but the sample is nearly meaningless at that size. More telling: Alpha Omega has zero vendor responses on the platform. Trustpilot lets businesses claim their profile and respond to reviews for free. Not responding to seven reviews suggests either inattention or indifference to public reputation management.

Knoji shows 4.3 out of 5 from 24 reviews. WorthEPenny shows 4.2 out of 5 from 38 reviews. These are aggregator sites with lower barriers to entry than Trustpilot, so the scores carry proportionally less weight. The consistency across both platforms, landing in the low 4s, aligns with a vendor delivering a functional product without exceptional service.

Peptide Critic hosts roughly 5 reviews with scores around 4.8 out of 5. This is where Dave_B_ posted his November 2025 review identifying the Simple Peptides connection independently. His review predated public access to the USPTO trademark filings, making it the earliest documented identification of the Melex Technologies link.

The consistent positive signal across all platforms is shipping speed. Two-day delivery appears in praise across Trustpilot, Knoji, and community reviews alike. When every source agrees on something, it's probably real.

ScamAdviser assigns a trust score of 95 out of 100, which reflects domain age, SSL status, and server reputation. It does not evaluate product quality or business practices.

Honest assessment: the review volume is too low for high confidence in any direction. A vendor with 7 Trustpilot reviews after nearly two years of operation either has very few customers or very few customers motivated to leave feedback. For a vendor that launched in June 2024, that gap raises questions about scale.

The gap between Alpha Omega Peptides' B and an A isn't product quality. The testing data looks solid. The gap is disclosure, and it's a gap the company could close without changing a single product.

Five changes would materially improve their transparency score:

1. Put COAs on product pages. The certificates exist. Over 15,000 of them. Link them directly from each product listing instead of requiring portal navigation with accession numbers. This alone moves COA Access from 0.5 to 1.0.
2. Disclose Melex Technologies as the parent company. Add a corporate information section or footer note identifying the parent entity. Acknowledge the Simple Peptides relationship. Shared ownership isn't a problem. Hidden shared ownership is. This moves Ownership from 0.5 toward 0.75 or 1.0.
3. Respond on review platforms. Seven Trustpilot reviews with zero responses signals disengagement. Claim the profile. Respond to negative feedback. This costs nothing and affects buyer confidence more than most vendors realize.
4. Name a human on the site. An About page with a founder name, a company history section, a team photo. Any evidence that a real person stands behind the brand. Anonymous vendors start at a trust disadvantage that no amount of discount codes can offset.
5. Expand the return policy. Thirty days on unopened products is the minimum. Vendors confident in their product quality offer longer windows or accept opened returns with conditions. The current policy protects the vendor, not the buyer.

None of these require reformulating products or switching labs. They require decisions about how much the company wants buyers to know about who they are.

Alpha Omega Peptides earns a B grade, 3.5 out of 5.

The testing infrastructure is genuinely strong. Freedom Diagnostics is a named, CLIA-certified lab performing HPLC-MS and endotoxin testing. Over 15,000 COAs exist. A tirzepatide vial tested 13% above label claim. Two-day shipping delivers as promised. Eight payment methods including PayPal give buyers options most competitors can't match.

The transparency gaps are equally real. An undisclosed parent company shared with Simple Peptides. COAs that require portal navigation instead of appearing on product pages. Three addresses across three states with zero named individuals. A review footprint too small to draw confident conclusions from.

Who should consider Alpha Omega: researchers who value named-lab testing with CLIA certification, who want fast shipping, and who don't weight ownership disclosure heavily in their vendor selection.

Who should look elsewhere: researchers who prioritize knowing exactly who operates the business, who expect COAs accessible directly from product listings, or who want a vendor with a substantial public review history.

The sister brand factor is worth weighing. If you already purchase from Simple Peptides, you are very likely buying from the same supply chain, the same parent company, and potentially the same inventory. Diversifying across both brands is not actually diversifying your vendor risk.

Alpha Omega has the lab work to support a higher grade. What they lack is the willingness to tell you who they are. Our methodology page explains how each transparency signal is weighted. Compare Alpha Omega against other scored vendors on our full rankings.

Is Alpha Omega Peptides legit?

Alpha Omega Peptides is a registered business operating since June 2024. Their parent company, Melex Technologies Inc, holds a USPTO trademark. They use a CLIA-certified testing lab (Freedom Diagnostics) and maintain over 15,000 public COAs. ScamAdviser rates them 95/100. We grade them B (3.5/5) due to transparency gaps in ownership disclosure and COA accessibility, not product legitimacy concerns.

Are Alpha Omega Peptides and Simple Peptides the same company?

Yes. Both brands are owned by Melex Technologies Inc, registered in Marina del Rey, California. USPTO trademark filings #99463538 (Alpha Omega) and #99448604 (Simple) confirm shared ownership. A third filing, #99505138, registers the Melex Technologies brand name itself. Community reviewer Dave_B_ identified the connection independently in November 2025 before trademark records were publicly searchable.

Where are Alpha Omega Peptides COAs?

Alpha Omega's COAs are hosted on Freedom Diagnostics' external portal, not on product pages. You need the batch-specific accession number to retrieve a certificate. Over 15,000 COAs are available through this system. The testing is real, but the access method requires more effort than vendors who embed COA links directly on listings.

Who does Alpha Omega Peptides' third-party testing?

Freedom Diagnostics, a CLIA-certified laboratory (license #14D2263999) in Franklin, Tennessee. The lab director is Sara B. Duff. They perform HPLC-MS testing for peptide identity and purity, plus LAL endotoxin testing for bacterial contamination. Freedom Diagnostics also tests for other vendors including LuvionBio and Great Northern Peptides.

What does GLP-1SG mean on Alpha Omega Peptides?

GLP-1SG is Alpha Omega's coded name for semaglutide. They use alphanumeric codes instead of common peptide names across their catalog. GLP-2TZ is tirzepatide, GLP-3RT is retatrutide. This naming convention is common among peptide vendors but requires familiarity with the coding system to navigate effectively.

Does Alpha Omega Peptides accept PayPal?

Yes. Alpha Omega accepts PayPal along with Visa, Mastercard, Amex, Apple Pay, Venmo, Zelle, and cryptocurrency. PayPal acceptance is uncommon among peptide vendors because payment processors frequently terminate accounts in this category. Maintaining PayPal availability is a genuine convenience advantage.

How fast does Alpha Omega Peptides ship?

Two-day shipping is standard and consistently confirmed across Trustpilot, Knoji, and community reviews. Shipping speed is the single most praised aspect of Alpha Omega's service. Returns are accepted within 30 days on unopened products only, shipped to their Delray Beach, Florida fulfillment address.