Nutricost Magnesium Chloride Powder (1LB) Gluten Free

What the brand says

Each bottle of Nutricost Magnesium Chloride contains 1lb of magnesium chloride powder (contents are sold by weight, not volume. Some settling may occur). Each serving is 1 scoop (2g) for 210mg of magnesium. This supplement is gluten free, non-GMO, and vegetarian friendly. All Nutricost products are manufactured in GMP complaint, FDA registered facilities and each batch of every product is tested by independent, ISO-accredited laboratories to insure safety and quality.