Quality & Safety

Comprehensive Testing

At NOW®, quality isn’t just a promise — it’s our daily practice. In 2025, our in-house laboratories will conduct over 31,000 tests each month, ensuring the purity, potency, and safety of every product we make. On top of that, we partner with trusted third-party labs for independent verification, so you can have absolute confidence in every NOW® product you choose.

NOW Performs Over 31,000 Analyses and Tests Each Month

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NOW’s World-Class Labs

We are dedicated to comprehensive in-house testing, which sets us apart from other manufacturers.

World-Class Labs

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ISO Accreditation for In-House Labs

We achieved accreditation from A2LA for our analytical and microbiological labs.

ISO Accreditation

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Sports Nutrition Safety Testing

We test, test, and then test again to ensure the identity, purity, quality and safety of sports nutrition products.

Sports Nutrition Testing

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Essential Oil Identity and Purity Testing

We take the production of our essential oils very seriously, guaranteeing their identity, purity, and quality.

Essential Oil Testing

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Verified Probiotic Identity and Potency

We test incoming probiotics to verify their identity and potency prior to being released for production.

Verified Probiotics

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Clinical Studies: Ingredient Bioavailability Evidence

We ensure the bioavailability of our products by regularly conducting research studies.

Ingredient Bioavailability

Neogen® Molecular Detection System (MDS)

Our Commitment to Unmatched Testing Excellence

NOW performs 68 different categories of testing every day in our state-of-the-art laboratories — covering everything from microbiology to heavy metals, pesticides, steroids, identification, and potency. The goal is simple: make sure every product meets our high-quality standards from start to finish.

NOW’s advanced laboratories feature an impressive array of cutting-edge equipment. We also partner with leading outside labs for specialized testing, duplicate testing, and certifications. Informed Sport is one example where NOW® tests both internally and externally to ensure sports supplements meet strict standards.

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We routinely test for not only identity but also for purity, heavy metals, pesticides and agricultural chemicals, and possible adulterants including pharmaceuticals. We conduct more than 31,000 tests each month at multiple stages of production. We're one of the few manufacturers that have this kind of in-house testing capability.

Jim Emme, CEO
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AWARD-WINNING TESTING

In June 2021, NOW received the NutraIngredients-USA Editors Award for Industry Initiative of the Year for shining a light on quality problems with some supplements sold on Amazon.

Test Results

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