Peptide Research Library
Featured
How to Verify a Peptide COA Is Real (and Spot a Faked One)
A certificate of analysis is supposed to be your proof that a research peptide is what the label claims. It only works as proof…
Read article
Third-Party vs In-House Peptide Testing: What’s the Difference & Which to Trust (2026)
When a vendor says its research peptide is 99% pure, the number is only half the story. The other half is who measured it.…
Read article
How to Read a Peptide COA and Evaluate Research Peptide Quality (US Lab Buyer’s Guide)
To read a peptide Certificate of Analysis (COA), find the batch or lot number on the document, confirm who ran the testing, check the…
Read article
TB-500 & MOTS-c: FDA Status After the July 2026 Review
In July 2026, an FDA advisory committee voted to recommend both TB-500 and MOTS-c for the Section 503A compounding list, part of a wider…
Read article
Is BPC-157 Legal in 2026? Regulatory Status Explained
As of August 2026, BPC-157 is not an FDA-approved drug, not a legal dietary supplement, and not yet approved for pharmacy compounding.
Read article
What Is KPV? Peptide Research Guide (2026 FDA Update)
KPV is a tripeptide made of lysine, proline, and valine (Lys-Pro-Val), the last three amino acids at the tail end of alpha-melanocyte-stimulating hormone (alpha-MSH).…
Read article
Peptide Purity: What 98% vs 99% Actually Means
A peptide purity figure is the share of the sample that is your target peptide, measured by HPLC. So 98% purity means about 2%…
Read article
HPLC vs Mass Spectrometry: How Peptide Purity & Identity Are Tested
HPLC and mass spectrometry answer two different questions about a peptide. HPLC measures how pure a sample is by separating it into its parts…
Read article
7 Peptide Drugs at the FDA in July 2026: Full Review Breakdown
On July 23 and 24, 2026, the FDA’s Pharmacy Compounding Advisory Committee (PCAC) reviewed seven peptides for the Section 503A compounding list and recommended…
Read articleWhat Is the FDA 503A List? Peptide Compounding Explained
The FDA 503A bulk list decides which peptides pharmacies can compound. What it is, why the July 2026 peptide vote matters, and what it…
Read articleFDA Advisory Panel Backs BPC-157 & KPV for Compounding (July 2026): What It Actually Means
An FDA advisory panel voted 8-6 to recommend BPC-157 and KPV for pharmacy compounding, over FDA staff objections. Here is what it does and…
Read articleNo articles match that filter.
Research-grade peptides
99%+ purity. Verified every batch.
Identity and purity tested on every batch by third-party labs — Janoshik Analytical and US-based laboratories. Shipped same day from California.
Shop all peptides