question: Hi, my dad is 97 yrs old. His haemoglobin content is around 8 since the last 3/4 months. have been giving iron syrup(Dexoorange_) and also  leafy vegetables  twice a week. It sort of improved become from 7.8 to 8.3. Cannt give more iron supplements as he tends to constipate. Advice please as to how to improve ?