What Is a Research Peptide? A Laboratory Reference Guide
What a peptide is, what 'research grade' means, why purity matters, and how research peptides are supplied. A laboratory-reference primer.
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Research-use-only reference articles on the compounds in the PX-Labs catalog — receptor profiles, structural classifications, and comparative context. Every article is written for laboratory research and does not contain usage, dosing, or therapeutic guidance.
BPC-157 and TB-500: The Two Most Studied Recovery Peptides
Two structurally unrelated peptides — BPC-157 (gastric protein fragment) and TB-500 (thymosin beta-4 fragment) — that researchers frequently study together.
Read article →Copper Peptides in Research: GHK-Cu and AHK-Cu Compared
Two short copper-binding tripeptides differing by a single amino acid (glycine vs alanine). A structural reference on GHK-Cu and AHK-Cu.
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