<s>[INST] I have reactive hypoglycemia and I was just told my iron level is 3 should be 15-30 and I have low vitamin D . I am taking 3,000 IU a day and still came out low. I have fibromyalgia for 20 years. These others things have just happened now. I am 50 years old. [/INST] Hi, dear. I have gone through your question. I can understand your concern. You are suffering from iron deficiency. You should take iron rich food like beggary, dates, green leafy vegetables, Chat Doctor.  Furthermore, you can take oral or injectable iron supplements.  For it D3 you should take cholecalciferol and calcium tablets.  You should search for the cause of reactive hypoglycemia.  You should keep sugar with you in emergency. Consult your doctor and take treatment accordingly. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using Chat Doctor. Wish you a very good health. </s>