How do we ensure quality and purity? Through third-party testing. That’s the PureCheck guarantee.


Quality Guaranteed

Every NutraSea product is analyzed for purity and potency. Third-party testing is your guarantee that what you read on the label matches the product inside. So you know you’re getting the highest-quality omega-3 supplements.

Test it. Trust it.

How do you know the product in your hand lives up to its claims? By checking its PureCheck test results. Simply enter the product lot number, located on the label, to view its report.

Enter your product lot number

Purity That’s Proven

With omega-3 supplements, sometimes there’s a worry that what’s on the label isn’t quite what’s in the bottle. In fact, in a published study, more than half of those tested did not meet their label claims. This is why we use PureCheck – so you know every NutraSea product either meets or exceeds what’s written on the label.

Source: Journal of the Science of Food & Agriculture


Proud partner of the Non-GMO Project

As part of our commitment to follow the best sourcing, manufacturing and testing practices, we’ve partnered with the Non-GMO Project. It’s North America’s only independent verification program that ensures products are produced according the best practices for GMO avoidance. Look for the seal to discover our Non-GMO Project verified products.

Friend of the Sea Logo

We’re a Friend of the Sea

How do we ensure our products come from sustainably sourced ingredients? Through our affiliation with the non-profit Friends of the Sea — the only internationally recognized NGO capable of certifiying both wild and farmed fish and aquaculture. Through its third-party testing, NutraSea can fulfil its promise to provide customers with quality supplements derived solely from sustainable ingredients. Because what’s good for us must be good for the planet.

Non-GMO Logo

MSC Certified Cod

Our NutraSea+D Cod Liver Oil products are proudly certified by the Marine Stewardship Council (MSC). Through its rigorous and independent testing, MSC is the only wild-capture fisheries certification and eco-labelling program that meets “best practice” requirements set by the United Nations, and the first global seafood-certification program recognized by the Global Sustainable Seafood Initiative. It’s a challenging feat that’s important to our customers and company.