What country is this product made?

This product is made in Utah, USA

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.

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).

What was specifically assessed in the 3rd party testing (quality, purity, contamination, etc) and what is required to pass third party testing?

No idea! I have only been using it for a week so I cannot ssy trythfully whether it works or not.

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Nutricost Magnesium+ Extra Strength 420mg, 240 Capsules - 120 Servings. Magnesium Oxide and Glycinate - Non-GMO, Gluten Free, Vegan Friendly

Nutricost Magnesium+ Extra Strength 420mg, 240 Capsules - 120 Servings. Magnesium Oxide and Glycinate - Non-GMO, Gluten Free, Vegan Friendly

Product ID: 278254837

Details

Brand
Nutricost
Flavor
Unflavored
Item Form
Capsule
Primary Supplement Type
Magnesium
Unit Count
240 Count

🌱Vegan, Non-GMO, Gluten-Free

🏭NSF Certified GMP Facility

💊420mg Magnesium per serving

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VT6608

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Details

Brand
Nutricost
Flavor
Unflavored
Item Form
Capsule

Description

💤 Unlock deep sleep & muscle relief with every capsule — don’t miss out on your wellness edge!

LONG LASTING SUPPLY - 240 capsules delivering 120 servings—stay stocked and stress-free
CLEAN CONSCIOUS FORMULA - Vegan-friendly, Non-GMO, gluten & soy-free capsules that align with your mindful lifestyle
TRUSTED QUALITY ASSURANCE - Manufactured in an NSF Certified, GMP compliant, FDA registered facility for peace of mind
POWER PACKED MAGNESIUM BOOST - 420mg of premium Magnesium Oxide & Glycinate per serving for muscle relief & sleep support
MAXIMIZED ABSORPTION GENTLENESS - Magnesium Glycinate ensures superior absorption without digestive discomfort

Nutricost Magnesium+ Extra Strength delivers a potent 420mg blend of Magnesium Oxide and Glycinate per serving in vegan, non-GMO capsules. Designed for optimal absorption and gentle digestion, this supplement supports muscle relaxation, improved sleep quality, digestive health, and stress relief. With 240 capsules per bottle, it offers a convenient 120-day supply, all crafted in a certified GMP and FDA-registered facility to ensure premium quality and safety.

Specifications

ASIN	B08VW9496D
Age Range Description	Adult
Allergen Information	Gluten Free
Best Sellers Rank	#5,506 in Health & Household ( See Top 100 in Health & Household ) #112 in Magnesium Mineral Supplements
Brand	Nutricost
Brand Name	Nutricost
Customer Reviews	4.5 out of 5 stars 8,113 Reviews
Diet Type	Vegan
Flavor	Unflavored
Item Form	Capsule
Item Nype Name	Magnesium Dietary Supplement
Item Weight	100 Grams
Manufacturer	Nutricost
Manufacturer Part Number	NTC-MAG_GLYC-240C
Material Type Free	Gluten Free
Number of Items	1
Primary Supplement Type	Magnesium
Product Benefits	Digestive Health
UPC	810014672090
Unit Count	240 Count

Reviews

K**O

28.11.2025

B**B

20.12.2025

A**R

11.04.2026

J**R

3.06.2023

A**Y

20.03.2026

C**L

16.03.2026

M**Y

31.03.2026

M**.

30.04.2026

R**O

15.04.2026

R**A

15.03.2023

J**C

12.08.2023

B**N

10.05.2024

M**D

19.01.2025

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