Articles tagged “purity”
5 articles
Understanding Peptide Purity: Why 98% Isn't Always 98%
A '99% pure' peptide from one vendor may not be equivalent to '99% pure' from another. This guide breaks down what purity actually means in analytical chemistry, the hidden factors that affect real-world potency, and how to interpret COA data correctly.
We Analyzed 50 Peptide COAs. Here's What We Found.
We collected and reviewed 50 Certificates of Analysis from research vendors, compounding pharmacies, and international suppliers. The results reveal a troubling gap between claimed and actual quality.
Why Your Peptide COA Might Be Fake (And How to Tell)
Not all Certificates of Analysis are created equal. Some are outright fabricated. Here's how to spot the red flags, verify authenticity, and protect yourself from low-quality or counterfeit peptides.
What Is Pharmaceutical-Grade? Understanding Peptide Quality Standards
The term 'pharmaceutical-grade' gets thrown around constantly in the peptide space. Here's what it actually means, how it differs from research-grade, and why it matters for safety.
How to Read a Certificate of Analysis (COA) for Peptides
A COA is the single most important document for verifying peptide quality. Here's how to read one, what to look for, and how to spot fakes.