Welcome to HCM,
You have been prescribed Ferrex Forte 150 it is used for Anemia and contains elemental Iron,Folic acid
,and vitamin B12
The Ferrex contains elemental iron which is used for Iron deficiency Anemia
Your doctor wants you take Iron and vitamin Folic acid and B12 so they are not interchangeable.
Please take this type of supplement before food or 2 hour meals.
If you have any doubt please confirm with your Physician or your Pharmacy.
Hope this helps you.
You can ask me at http://www.healthcaremagic.com/doctors/dr-akhilesh-dubey/63985
Dr.Akhilesh dubey M.D.