** 1. Iron deficiency and anemia are common after gastric bypass or other weight-loss surgery, especially in women and one has to look for levels of other vitamins like Vitamin B12, folate which may be altered after gastric surgery since there deficiency causes neurological and hematological deficit also. 2. Don t take calcium supplements at the same time you re eating iron [hampers iron absorption]. 3. Avoid Antacids, phosphates, phytates, tetracyclines which makes complexes with iron and impedes absorption. 4. Take vitamin C rich diet [since it is required for absorption of iron]. 5. You may take prescription medicine like Punarnava Mandur, Manol Malt along with amla,carrot, methi, and since iron tends to cause constipation take soluble fires like peas, soybeans, oats, barley, prunes, avocados, berries, ripe bananas, skin of apples, pears, broccoli, carrots, sweet potatoes and onions. PS. Iron sulfate and iron fumarate are the more commonly prescribed iron pills. The fumerate compounds are more easily absorbed and are more easy on the GI tract.