Articles

High-Performance Thin-Layer Chromatography (HPTLC)

High-performance thin-layer chromatography (HPTLC) is a powerful analytical technique that relies on polarity differences to separate the components of a mixture. HPTLC is used to assess substance ...

Certificate of Analysis for Food & Dietary Supplements

If you are wondering how to get a certificate of analysis for your food, pet food, dietary supplement, or personal care product, CTLA is an analytical testing laboratory ready to meet your needs. C...

Testing Requirements for Dietary Supplements

The supplement brands doing the best on the market provide consumers credible proof that the supplement is what it says it is. Consumers want to know the supplement is made with the highest quality...

Heavy Metals Testing Requirements

Heavy metal analytical testing is a must to meet regulations and inform consumers. Inductively Coupled Plasma with Mass Spectrometry (ICP-MS) testing quantifies heavy metal content in ranges as low...

What to Look for in an Independent Testing Lab

Is the lab interested in helping you build a reputable, high-quality supplement? Are they willing to answer your questions in a respectful and timely manner? Do they clearly communicate and stick ...

Stability Testing

Brand owners and contract manufacturers go to great lengths to produce a finished product that meets consumer needs. That same product can then remain on a shelf for a long time. Determining if th...

Benefits of UV-VIS Spectroscopy

UV-Vis spectroscopy is a valid stand-alone means to determine and quantify nutrients and other components. In some instances, USP standards specify UV-Vis testing. Further interferences are decrea...

Fourier Transform Infrared Spectroscopy (FTIR)

FTIR testing provides a cost-effective and versatile method for quick confirmation anaylsis. High-quality products start with high-quality ingredients. Build your product's reputation for clean and...

The Benefits of ICP-MS for Dietary Supplements and Food

There is nothing more expensive for a company than a recall. Public safety issues cause recalls. When recalls happen, the brand owner eats every cost associated with producing and distributing thei...

Identity and Concentration Testing with HPLC

High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a technique in analytical chemistry used to separate, identify, and quantify each comp...