Nutricost Magnesium + Extra Strength 420mg 120 Capsules - 60 Doses Magnesium Oxide and Glycinate - Non-GMO and Gluten Free, Vegan Friendly

Q: What country is this product made?

This product is made in Utah, USA

Q: Is it 420 mg of elemental magnesium?

According to many sources, magnesium glycinate varies between 11-14.1% elemental magnesium. For these capsules to contain 210 mg elemental magnesium for 1 capsule (420 mg for 2). They would need to contain at least 1490 mg magnesium glycinate per cap, without counting the other fillers or additives. 14.1% of 1490 is 210 mg.

Q: who is the 3rd party that tested it?

All Nutricost products are manufactured in GMP Compliant, FDA Registered Facilities. All products are tested by independent, ISO-accredited laboratories. Nutricost primarily uses the following facilities to conduct 3rd party testing on their products: Analytical Resource Laboratories ( https://www.analyticalresource.com/ ), Dyad Labs (dyadlabs.com), and Eurofins (eurofins.com).