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Oath Research Reviews

Peptide vendor warning

4.5

Excellent

See all 25 reviews

5

84%

4

12%

3

0%

2

0%

1

4%

Community Warning!

Independent laboratory testing (PeptideScore/Finnrick Analytics) found elevated lead contamination in sampled products (Retatrutide, Semaglutide, Tirzepatide), contradicting the vendor's claims of ≥99% purity. All three tested products received a 'BAD' designation with scores of 3.0/10 and an overall 'E' (Poor) rating.

Community Warning!

Independent laboratory testing (PeptideScore/Finnrick Analytics) found elevated lead contamination in sampled products (Retatrutide, Semaglutide, Tirzepatide), contradicting the vendor's claims of ≥99% purity. All three tested products received a 'BAD' designation with scores of 3.0/10 and an overall 'E' (Poor) rating.

Oath Research Overview

Oath Research (formerly Oath Peptides) is a US-based research peptide supplier headquartered in Gilbert, Arizona, that synthesizes compounds in-house under ISO-certified protocols and independently verifies each batch through triple-pass HPLC, mass spectrometry, and endotoxin screening at a CLIA-certified US laboratory. The company sells exclusively for research, laboratory, or analytical purposes and is not a compounding pharmacy or outsourcing facility.

public coas

per-batch coa

ships to us

What customers love about Oath Research

Rigorous Third-Party Testing with Public COAs

Every batch undergoes independent HPLC, mass spectrometry, and endotoxin screening at a US lab, with scannable Certificates of Analysis publicly accessible by peptide name, batch number, or CAS number at no cost. This level of documented transparency is uncommon among research peptide vendors.

Fully US-Manufactured

Oath Research synthesizes compounds in its own clean-room suite in Gilbert, Arizona, using pharma-grade amino acids under ISO-certified protocols, eliminating reliance on overseas contract manufacturers and reducing supply-chain risk.

Fast Fulfillment and Free Shipping Threshold

The company offers same-day fulfillment with 2-day delivery and free shipping on orders over $250, making turnaround competitive with other domestic vendors.

Formal Quality Trademark Standard

In December 2025, Oath launched the Oath Good Research Supply Trademark Standard, a formal public testing and documentation framework requiring every batch to document greater than or equal to 99% purity and 100% identity confirmation before shipping.

Our top-rated vendor

Our rankings are based solely on third-party lab testing rigor, COA transparency, and pricing, no paid placements, no affiliate influence. We update this list as new data comes in.

Based on current scores, this vendor ranks highest across those criteria.

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#1 Rated Research Peptide Supplier

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What customers dislike about Oath Research

Premium Pricing

Customers and rating aggregators note that Oath Research commands a 10-20% price premium over budget vendors; while reviewers consider this justified by COA quality, it may be a barrier for high-volume research buyers.

Limited Support Hours

Business hours are listed as Monday through Friday, 11:00 AM to 4:00 PM, with no weekend or holiday coverage, which constrains time-sensitive order support despite claims of anytime chat availability.

Account Required to Browse Catalog

New visitors must register an account before accessing the product catalog, adding friction for researchers who want to compare pricing or product availability before committing to registration.

Reviews shaping this summary

Reviewer avatar

Anonymous

May 25, 2026

great service

great service

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Anonymous

May 25, 2026

Phenomenal products and customer value!

Phenomenal products and customer value! This Company and their products are amazing! They truly stand behind their "Oath". The Companies dedication to deliverin…

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Anonymous

May 25, 2026

Good Stuff

Product is exactly as advertised, shipping was fast. Came in a cool little box with slots in it, protected the product for sure. Current certificates so you kno…

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Anonymous

May 25, 2026

Absolutely incredible customer service!

Absolutely incredible customer service!

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Anonymous

May 31, 2026

Oath Research great customer service

Oath Research has been a great company to work with and the customer service is fantastic… extremely impressed by their quick response and friendly interactions…

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Is Oath Research legit? Check its lab reports

Scam vendors rarely show lab work. Oath Research links 12 COAs, 12 from independent labs and 0 with no purity reported. Check the lot numbers and purity below before you order.

ProductSizePurityLot
Wolverine BlendHPLC + MS
20mg
99.32% COA
A1226
Wolverine BlendHPLC + MS
10mg
99.27% COA
A2926014
Glow BlendHPLC-UV
70mg
99.47% COA
A2926062
Glow BlendHPLC-UV
50mg
99.51% COA
G2426012
Klow BlendHPLC + LC-MS (with LAL endotoxin assay per USP <85>)
80mg
99.03% COA
B2826013
KPVHPLC with UV detection coupled with mass spectrometry (LC-MS)
10mg
99.84% COA
B2826041
TB-500HPLC + LC-MS
10mg
99.51% COA
B2826032
TB-500HPLC with UV detection coupled with mass spectrometry (LC-MS)
5mg
99.51% COA
B2826032

Showing the 8 most recent of 12 COAs. Purity is the percentage printed on the certificate, not a PeptideMind measurement.

Company details

Written by the company

Oath Research (formerly Oath Peptides) is a US-based research peptide supplier headquartered in Gilbert, Arizona, that synthesizes compounds in-house under ISO-certified protocols and independently verifies each batch through triple-pass HPLC, mass spectrometry, and endotoxin scr…

Contact info

Testing standards

  • In-house HPLC

  • Mass spectrometry

  • COA publicly available

  • Per-batch COA

Third-party labs

Freedom Diagnostics

Accepted methods

credit card

Shipping & pricing

Ships to

US

mid pricing tier

Last verified

June 19, 2026

Frequently asked questions

Is Oath Research a legitimate peptide vendor?

Based on 23 reviews on PeptideMind, Oath Research holds a 4.5/5 overall rating. Oath Research provides publicly available certificates of analysis (COAs). As with any research chemical vendor, we recommend reviewing available lab documentation and community feedback before purchasing.

Does Oath Research provide certificates of analysis (COAs)?

Yes, Oath Research makes COAs publicly available for their products on a per-batch basis. Their testing includes: mass spectrometry, per-batch COAs, third-party testing via Freedom Diagnostics.

What countries does Oath Research ship to?

Oath Research ships to: US. Free shipping is offered on orders over $250.00.

What payment methods does Oath Research accept?

Oath Research accepts the following payment methods: Credit Card.

What is Oath Research's refund policy?

Oath Research treats all sales as final and does not accept returns.

Where is Oath Research based and when were they founded?

Oath Research is based in AZ, US.

Oath Research reviews

Reviews sourced from across the web and written by real users on PeptideMind. Gathered from popular platforms and our own community so you get the full picture.

We screen reviews, but don't fact-check them

Reviewers' opinions are their own. We may mark a review Verified when we can confirm a real transaction occurred, but we don't validate individual claims. All reviews are screened by automated software to catch guideline violations — flag anything we may have missed.

All reviews (25)

4.5

Excellent

Reviewer avatar

Anonymous

May 25, 2026

great service

great service

Customer Service:

Reviewer avatar

Anonymous

May 25, 2026

Phenomenal products and customer value!

Phenomenal products and customer value! This Company and their products are amazing! They truly stand behind their "Oath". The Companies dedication to delivering high quality products that are lab tested, then must go through a ridged approval process prior to distributing to their valued customers is unsurpassed!

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Reviewer avatar

Anonymous

May 25, 2026

Good Stuff

Product is exactly as advertised, shipping was fast. Came in a cool little box with slots in it, protected the product for sure. Current certificates so you know what you're getting. Super fast email response too.

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Anonymous

May 25, 2026

Absolutely incredible customer service!

Absolutely incredible customer service!

Customer Service:

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Anonymous

May 31, 2026

Oath Research great customer service

Oath Research has been a great company to work with and the customer service is fantastic… extremely impressed by their quick response and friendly interactions.

Customer Service:

Reviewer avatar

Anonymous

Jun 4, 2026

Great company, fantastic research products!

Been using them for a few months now OathResearch has been a great company! easy to work with, very knowledgable! I Always recommend my friends and family to use them. Fast shipping and awesome customer support!

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Anonymous

Jun 18, 2026

Heat-damaged order replaced fast

Great experience with Oath Research (oathresearch.com). My first order ran into a shipping issue — the product arrived in rough shape after spending too long on the delivery truck in Tucson's summer heat. I reached out, and they handled it without any hassle: quick to respond, easy to work with, and they shipped a replacement fast. One tip I'd pass along to anyone ordering to a hot climate: I had the replacement shipped to a local UPS Store for hold-for-pickup instead of my home address. Same 100°+ Tucson weather, but because it spent far less time sitting on the truck and went straight into an air-conditioned store, it arrived in much better condition. Made a real difference. Oath Research stood behind their product and took care of me when something went sideways. Fast shipping, great communication, and an easy resolution. Earned a repeat customer — highly recommend.

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Anonymous

Jun 21, 2026

This shit is real

I had been seeing so many differnt things about peptides, how well they work, and how they could "change your life" and I was intrigued, but for the amount of good things I read and heard about the peptide industry, I heard an equal amount of horrible things. The scams, the fake peptides, etc.... so I had claude look up the best peptide companies for reta lol... and oath popped up. I had it look at reviews, their COAs, I even went to the website of the company that test OATH's peptides, just make sure it was all real... and once I had enough info, I ordered it. It took about 3 days, but thats becuase I ordered it in the middle of the night. Once it arrived I was skeptical as hell, but the packaging was nice. To make a long story short, I injected that shit (started with 2mg's) On the first day didnt feel anything, on the second I barely ate... Im now on day 3, appetite is close to minimal... Im writing so you all can save the trouble of wondering if they are scam, or if itll work for you... it will, lol.

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Anonymous

Jun 27, 2026

OATH: Not just a tag-line - REAL DEAL 100% tested, reliable, responsive and fast shipping.

OATH is 100% above board and worthy of your business when seeking peptide products. OATH products are tested and reliable, coupled with excellent customer service and fast shipping - even the packaging is impressive. Lots of peptide companies out there, but OATH makes all their batch data public with published Certificate of Analysis' (Independent laboratory testing confirms purity and composition of their research peptides). Customer service? EXCELLENT; responsive and professional: Thank You Greg! Do your research and you'll see OATH is a top-shelf company. RELIABLE / FRICTIONLESS / RESPONSIVE / FAST SHIPPING

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Anonymous

Jul 14, 2026

Great experience!!

Great experience, great quality and customer experience. Definitely would recommend!

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Anonymous

Jul 22, 2026

Don't go elsewhere

You can look all around for best quality control but won't find anything like this. AND so responsive and understanding and friendly. I've used other companies like this and there really is no comparison. It's just the best at what it does

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Anonymous

Aug 6, 2026

Order concern handled with a call

Not sure why I slept on this company for so long. Had concerns with my order, sent an email and received a call from Oath. Was assured of my concern and more. ⭐️⭐️⭐️⭐️⭐️ I also really like the aesthetic of the company and packaging was top notch.

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Anonymous

Aug 8, 2026

Oath Research is Excellent

Oath Research is Excellent. They really do stand behind their product. And GREAT customer service! Very Professional.

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Anonymous

Aug 29, 2026

Misleading buy 6 get 3 free offer

If I could put 0 stars I would check out confusing sent advertisement buy 6 get 3 free and on the check out it said 9 so they bare sending false advertisement e me sold be careful they will ssam you !!!

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Anonymous

Sep 7, 2026

These work

These work. The people are responsive. The shipment comes nicely prepared and prompt.

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Anonymous

Jun 3, 2026

Transparent and quick

Every single vial has a scannable code that pulls the actual third-party report.

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Anonymous

May 29, 2026

Third order, still great

Same fill quality, same fast domestic shipping, COA posted every time.

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Anonymous

Mar 2, 2026

My go-to now

Domestic shipping, real COAs, accurate fills. Done shopping around.

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Anonymous

Mar 14, 2026

COAs always check out

I check posted COAs against the lot numbers every order and Oath has never been off.

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Anonymous

Feb 19, 2026

Solid, just wish stock remained

Quality is great when you can get it. Retatrutide was out of stock for a while.

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Anonymous

Feb 19, 2026

Awesome customer support

Got a real human who was knowledgeable about the research products.

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Anonymous

Apr 4, 2026

Solid vendor all around

Customer service answered within the hour. Order shipped same day.

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Anonymous

May 18, 2026

Smooth, quick order

COA QR scanned to a real HPLC report that matched the lot. Two days from Arizona.

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Anonymous

May 23, 2026

COA checked out

Sent my own sample to an independent lab for testing and it lined up with the posted COA.

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Anonymous

Jun 15, 2026

A solid, steady source

Two day shipping, lyophilized cake intact and the batch report scanned.

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