Certified Laboratories Blog
Insights for the food & beverage, cosmetics, OTC, supplements, and other industries.
Detained Shipment? Why Following FDA Sampling Guidelines is a Must
Here’s how Certified Laboratories expedites FDA-detained product release by following FDA sampling guidelines and using our FDA sampling plan.
FDA ITACS: A Tool to Speed Your Next Import
We explain how the FDA ITACS system helps you cut to the front of the line when importing FDA-regulated products. Find out how to use this powerful tool.
Microbiological Testing for Nuts: 4 Reasons to Choose Certified Laboratories
Your lab that can test for aflatoxins from tree nuts and perform other microbiological tests for nuts. Fast turnaround times and responsive service.
What is a U.S. HTS Code (& How to Estimate Customs Duties)?
Here’s how to read a harmonized tariff schedule (HTS) code and estimate your customs duties (with examples).
Your Complete Guide to Process Validation for Almonds
U.S. Federal law, customer demand, and your own quality-control program benefit from a process validation for almonds. This free checklist can help.
How to Test for Heavy Metals in Food & Other Products: An Industry Guide
Step-by-step instructions for how to test for heavy metals in food. A guide for quality control professionals to help ensure food safety.
MoCRA: What Does it Mean for the U.S. Cosmetics Industry?
FDA’s Modernization of Cosmetics Regulation Act (MoCRA) promises to reshape the U.S. cosmetics industry. Here’s what you need to know to comply.
Amazon Dietary Supplement Requirements for Lab Testing [2025]
Amazon’s dietary supplement requirements include specifications testing in ISO 17025 accredited laboratories. Here’s what you need to test for.
How Tobacco Manufacturers Can Prepare for an FDA Inspection
Be prepared for an FDA PMTA pre-approval inspection for tobacco manufacturers with our free checklist curated by our industry experts. Download your copy now.
Guide to OTC & Cosmetic Stability Testing [+ Free Cheat Sheet]
We explain the regulations for OTC stability testing and cosmetic stability testing, and show step-by-step how to they’re done.
Label Claims: A Guide for Food & Beverage Manufacturers
Explore how to develop truthful and compliant label claims for food & beverage products, understand U.S. regulations, and learn about lab testing needs.
Accelerated Stability Testing for Cosmetics & OTC Products: A Faster Path to Shelf-Life Claims
Accelerated stability testing for cosmetics & OTC provides information about product quality and shelf-life faster than real-time testing.
What is GRAS (Generally Recognized as Safe)?
Explore the GRAS certification process and ensure your food products meet FDA safety standards.
Alicyclobacillus: A Pressing Concern in the Beverage Industry
Discover the effect of Alicyclobacillus acidoterrestris on the beverage industry and the role of lab testing in ensuring product safety and quality.
FDA Dietary Supplement Testing Requirements: A Guide for Quality Control Professionals
Navigate dietary supplement testing requirements with ease. Ensure safety and efficacy through scientifically valid, compliant methods with our guide.
Unlocking the Power of High Pressure Processing (HPP): The Need for Process Validation
Discover the critical role of process validation for High Pressure Processing (HPP) in food & beverage manufacturing for safety and regulatory compliance.
Supplement Facts vs Nutrition Facts: What Quality Assurance Teams Need to Know
Navigate the nuances of supplement facts and their distinction from nutrition facts. Ensure your products meet FDA regulations for consumer trust.
Strategies to Avoid FDA Detention: Antibiotic Residue Testing for Seafood
Explore our guide to antibiotic residue testing in seafood. Learn FDA regulations, testing methods, challenges, and how to ensure compliant imports.
Master Manufacturing Records & Batch Production Records for Dietary Supplements Explained
Master the art of creating and maintaining FDA-compliant Master Manufacturing Records & Batch Production Records for dietary supplements.
How to Test for Lead in Spices: A Guide to Detecting Heavy Metals
Understand how to test for lead in spices, the risks of heavy metals in spices, ASTA’s stance, and the role of testing in product safety.







![Amazon Dietary Supplement Requirements for Lab Testing [2025]](https://certified-laboratories.com/wp-content/uploads/shutterstock_1167230344-1-400x250.png)
![Guide to OTC & Cosmetic Stability Testing [+ Free Cheat Sheet]](https://certified-laboratories.com/wp-content/uploads/BUR_Stability_1687-1-min-400x250.png)









