Hgb 12.1 g/dl, hct 37.1%, ferritin 10.8 ng/ml. how much of ferrous sulphate can i take per day?

Tolerance: It is usually safe to take 30mg at one time. Take the pill with meals. You may take it 2-3 times a day. Practically you can take as much as you can tolerate. If you get constipation, take a fiber laxative. See this site for more info. http://www.mayoclinic.org/drugs-supplements/iron-supplement-oral-route-parenteral-route/description/DRG-20070148

1-3 tablets a day: Your ferritin is low but your hemoglobin is still normal for a female. Ferrous tablets usually have 325 mg. one tablet a day, if you do not have excessive bleeding might be enough. The maximum dose is one tablet 3 times a day. Higher doses may cause stomach issues like constipation so go up only as tolerated. Absorption is better on an empty stomach but might be harder on your stomach.