Hi everyone, I have been taking OTC iron bisglycinate for months after a ferritin result of 33. This was marked as normal by the GP, but I know it's on the low side. A recent test has come back as 30, despite me taking these supplements every day! Again, the GP marked it as normal, despite me explaining I've been taking supplements (yet my level has gone down!). What are my options?! Any ideas? So sick of not absorbing iron! Have also tried Spatone, which didn't work at all.