Question: how many grams of magnesium citrate should i take?
Answer: Magnesium Citrate Dosage Men ages 19 to 30 should take 400 milligrams (mg) a day, while men over age 30 should take 420 mg. Women up to 50 years of age should take 310 mg a day. Pregnant women and women more than 50 years of age should take 320 mg day.