Articles

CTLA stands out as the premier choice for your testing needs

Contract Testing Laboratories of America (CTLA) stands out as the premier choice for companies seeking comprehensive and reliable testing services for dietary supplements, food, and cosmetics. As a...

Protein Testing

Dumas Method Provides Fast, Accurate, and Inexpensive Protein Testing The Food and Drug Administration (FDA) requires the nutrition facts label on packaged foods ‒ for both human and pet consumpt...

Botanical Identity and Purity Testing

As part of current good manufacturing practices (GMP), the U.S. Food and Drug Administration (FDA) requires a dietary supplement to consistently meet established specifications for identity, purity...

Strengthen Your Product with Proven Quality

Ensuring your product meets a proven standard of quality requires a testing laboratory with an involved quality department, ensuring trained employees follow an established quality management syste...

HPLC Analysis with Diode Array Detection

High-performance liquid chromatography (HPLC) ‒ one of today’s most common sample analysis techniques ‒ separates compounds from a soluble mixture for the identification of target analytes. Using d...

Advantages of Gas Chromatography

Advantages of Gas Chromatography Since its development in 1952, gas chromatography (GC) has been (and remains) one of the most widely used techniques in analytical chemistry. GC separates and quant...

Food Laboratory Testing Services

Food is awesome. The right nutrition fuels our bodies and brains to operate at optimal levels. What is and is not in our food keeps us healthy and active. For public safety and educated consumer...

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...