Rugby Magnesium Oxide 420 mg Dietary Supplement

What the brand says

Sold as “Rugby Magnesium Oxide 420 mg Dietary Supplement - 100 Tablets”

Dietary Supplement. Free of: yeast, wheat, gluten, milk or milk derivatives, lactose, sugar, preservatives, artificial color, artificial flavor, sodium (less than 5 mg per serving). www.rugbylaboratories.com. Questions or comments? Call 1-800-645-2158.