Our COA Reports

At Horizon Labs, quality isn't just a promise, it's a process we take seriously at every step. Every batch we produce undergoes rigorous third-party lab testing to verify potency, purity, and safety before it ever reaches your hands. We believe transparency builds trust, which is why we make our Certificates of Analysis readily available for every product we offer. From sourcing premium ingredients to partnering with accredited testing labs, we invest heavily in quality control because our customers deserve nothing less than products they can trust completely. When you choose us, you're choosing a brand that stands behind its results, no shortcuts, no compromises, just verified quality you can count on.

Purity Tests


Our commitment to purity sets us apart: every batch is rigorously tested to verify 99% purity, ensuring you receive a clean, potent, high-quality product backed by science and independently verified lab results.

Janoshik Verification

LCMS Screening


LCMS screening is essential for peptide testing, precisely identifying molecular structure, verifying sequence accuracy, and detecting impurities. This advanced analytical method ensures authenticity, potency, and purity—giving you confidence in every peptide product's quality.

Janoshik Verification

Endotoxin Analysis


Endotoxin analysis is critical for peptide safety, detecting harmful bacterial contaminants that could trigger adverse reactions. Rigorous testing ensures each batch meets strict purity standards, delivering safe, research-grade peptides you can trust.



Janoshik Verification