Please choose the correct ending to complete the given sentence: Health: [header] How to treat iron deficiency anemia [title] Choose a ferrous iron supplement. [step] Iron can exist in two ionic forms: ferrous and ferric. Ferrous supplements are better absorbed than ferric.

Ending1: Ferric, this is the structural evidence for recovery of ornithopedic anemia. Non-ferrous iron supplements are available over the counter at most health food stores. Ending2: Iron supplements will give you the product under a three day shelf life. [substeps] Ferrous supplements will be more potent in the same way some supplements cannot. Ending3: These include ferrous sulfate, ferrous gluconate, ferrous fumarate, and ferrous citrate. Ferronyl is another form of iron that is better absorbed and commonly used in treatment of iron deficiency anemia. Ending4: Ferric supplements are form and they are available for check-ins. The deficiency form is usually considered " increased.

Answer format: ending1/ending2/ending3/ending4