Douglas Laboratories Chelated Magnesium provides 100 mg elemental magnesium per tablet. 

Magnesium is involved in energy metabolism, and is notably important in the heart, skeletal muscles and nervous system.

Ingredients:

Serving Size 1 Tablet

Amount Per Serving  ...........  % DV

Magnesium............... 100 mg ........25%

(from 500 mg Magnesium Amino Acid Chelate)

Other ingredients:

Cellulose, vegetable stearate and silica.

This product contains NO yeast, wheat, gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

Suggested Use:

As a dietary supplement, adults take 1 tablet daily or as directed by your healthcare professional.

Storage:

Keep out of reach of children.