This offer is good for use only with a valid prescription for Lo Loestrin ® Fe (norethindrone acetate and ethinyl estradiol tablets, ethinyl estradiol tablets and ferrous fumarate tablets) at the time the prescription is filled by the pharmacist and dispensed to the patient.. Depending on your insurance coverage, eligible patients may pay as little as $25 for each of up to thirteen (13) one ...Savings Program‧FAQs‧How to Take‧About Lo Loestrin Fe‧Ask Your Doctor‧Healthcare Professionals.