It's ferrous sulfate and only has 25 mg of elemental iron. If you are worried about constipation you would be better off taking iron bisglycinate (gentle iron).
I may have told you this or you saw it as I often post it: If you take blood thinners, iron binds with blood thinners, potentially reducing the effectiveness of the blood thinners and of the iron so check with your doctor., take 50 mg to 75 mg (which is elemental iron) of iron bisglycinate with 100 mg of vitamin C or some orange juice since that helps its absorption. Also take Lactobacillus plantarum 299v as it also helps its absorption.
Take it every other day as more is absorbed that way, preferably at night at least 1 hour before a meal or coffee or tea and at least 2 hours after a meal or coffee or tea since iron is absorbed better on an empty stomach and the tannins in coffee and tea limit absorption.
If you take magnesium (or magnesium rich foods), calcium (or calcium rich foods) or zinc, even in a multivitamin take them at least 2 hours apart since they interfere with the absorption of iron. Also antacids interfere with its absorption so should be taken at least 4 hours before the iron or at least 2 hours after.
Don't take your iron tablets before or after exercise since inflammation peaks after a workout. Don't take turmeric as it can interfere with the absorption of iron. If you take thyroid medicine don't take it within 4 hours. It takes several months for the iron tablets to slowly raise your ferritin. Ask for a new blood test after 3 months.
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