October 12, 2026 · 1 min read
Welcome to the Beyond Peptides blog
The Beyond Peptides blog: articles on research peptides, how each lot is tested, and how to read a certificate of analysis. New articles posted regularly.
Read the article
Research peptides, documented to the lot.
Independently tested compounds for laboratory research. Each tested size is published with its certificate of analysis, its purity method, and its lot number, so nothing about what you are handling is a guess.
US-based research supplier- American-owned business
- Test methods
- HPLC/MS
- Typical purity
- ≥99.0%
- COA provided
- Per size
- Fulfillment
- USPS
Why checkout never asks for a card
Card networks prohibit research compounds, so we do not pretend otherwise. You submit a purchase request, pay it directly by Venmo, Zelle or Cash App, and we confirm and ship it, the same way laboratory supply has always worked.
01
You submit a request
Build a cart and send it. Nothing is charged, and no card details are collected anywhere on this site.
02
You pay, we confirm
Your confirmation page shows your total with Venmo, Zelle and Cash App options to pay it. We check the payment and lot availability before packing.
03
We ship it
Your order ships nationwide via USPS with tracking. Certificates of analysis are posted on each product page as lots are tested.
Current catalog
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Every certificate we hold is on the page, lot by lot.
Anyone can print a purity number on a label. The difference is whether there is an independent analysis behind it, tied to the specific lot in the vial you receive.
Every tested size carries its purity, the method used to measure it, and a certificate of analysis you can read before you buy, with CAS number, formula and molecular weight where published. A size still waiting on its certificate says so.
How we testCertificate of analysis
TB-500, 10 mg
- Compound
- TB-500
- Purity
- 99.634%
- Method
- RP-HPLC / LC-MS
- CAS
- 77591-33-4
- Formula
- C212H350N56O78S
- Lot
- 40-202608-51
- Lab
- Kovera Labs
From the TB-500 10 mg certificate, tested August 9, 2026, by a second independent lab. Read the full certificate.
What customers say
From the blog
All articlesAsk about a lot before you order.
Request a certificate of analysis, check a lot number, or ask what is being restocked. A person reads every message and replies within one business day.
