Quality assurance with YOTiDE-US Certification

At YOTiDE-US Certification, transparency and trust are at the heart of everything we do.

Each batch
verified by third parties

We conduct third-party testing on each product in an ISO/IEC accredited laboratory, certified by the Council of Ecology, for endotoxins, heavy metals, purity and content.

At YOTiDE-US Certification, quality is our top priority. Every product we offer is rigorously tested using the most advanced technology available in the United States. We work exclusively with leading laboratories in Chicago to verify purity, content, endotoxins, and heavy metals. Choosing a lab-tested and third-party verified peptide supplement is essential to ensure both purity and safety, and at YOTiDE-US Certification, we take that responsibility very seriously.

WE TAKE THAT RESPONSIBILITY SERIOUSLY

Certified laboratory tests

At YOTiDE-US Certification, quality is our top priority. Every product we offer is rigorously tested using the most advanced technology available in the United States.

Purity and quantity of the peptide

Each peptide undergoes a comprehensive analysis of purity, identity, and structural integrity.

Learn more

Endotoxin tests

To protect our customers, we conduct rigorous testing to detect and quantify endotoxins.

Heavy metal testing

YOTiDE-US Certification products are free of harmful contaminants and are safe for use

Sterility tests

We ensure that products or samples are completely free of viable microorganisms through carefully controlled and contamination-free analytical procedures.

Foto de pruebas de laboratorio con viales y equipo

Where do we conduct the tests?

Vanguard Laboratory, located in Olympia, Washington

Vanguard Laboratory

Vanguard Laboratory, located in Olympia, Washington, offers comprehensive microbiological and chemical analysis services for a wide range of applications. The laboratory is accredited under ISO/IEC 17025:2017, the most recognized and respected standard for testing laboratories, confirming its ability to produce accurate, precise, and reliable results. In addition, Vanguard Laboratory is accredited by the Department of Ecology and the Department of Health for the analysis of pharmaceuticals and controlled substances, ensuring compliance with stringent state and federal requirements.

Elevate the investigation with advanced testing

Its advanced capabilities include testing for endotoxins, heavy metals, purity, and sterility, as well as USP <61> (Microbial Count Tests) and USP <71> (Sterility Tests). These analyses are performed under strict quality assurance protocols, reflecting the laboratory's commitment to robust quality control and regulatory excellence.

Next-level information

Vanguard Laboratory is recognized for its industry-leading service, technical expertise, and commitment to supporting its customers with reliable, high-quality analytical data essential for research, manufacturing, and product validation.

Explorar COA
Yes. All peptides are analyzed using HPLC and mass spectrometry to verify purity.
Our peptides are typically tested at a purity exceeding 99% . Each batch is verified using laboratory methods such as HPLC, with supporting documentation available in the COA library where applicable.
Peptides are commonly produced by solid-phase peptide synthesis (SPPS) , a standard method where amino acids are added step by step in a controlled sequence. After synthesis, the peptide is separated, purified (often by HPLC), and verified with analytical tests such as mass spectrometry to confirm identity and purity.