Articles

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...

Viscometer Testing

Before marketing, viscosity testing ensures final product texture and thickness to meet consumer expectations and satisfaction. 

Water Activity vs. Moisture Content

Two different water testing procedures are used on food products, dietary supplements, and cosmetics to provide a complete picture. These two tests are water activity (aw) measurement and moisture ...

Moisture Content Test

To meet your product’s legal requirements for quality, stability, and packaging, turn to CTLA for all your moisture content testing needs. We conduct moisture content testing for food, dietary supp...