What Can I Do If My Anemia Isn T Improving With Iron Pills And Diet Due To Poor Absorption?

hello, I ve anemia, both my iron and hemoglobin are low, I ve been trying to fix this issue by taking iron pills and eating iron rich food but no progress my digestive system doesn t absorb P.S: I also been taking apple cider vinegar to increase my stomach acid. can you please help me and tell me what s the solution?