Use radial in a sentence. of or like a ray or rays; branching out in all directions from a common center. having or characterized by parts that branch out in this way. of or situated like a radius. Anat. of or near the radius or forearm.
Quick Answer. Iron supplements typically take effect after two months of consistent doses. Supplements should be taken for six to 12 months to rebuild the body's iron reserves following a deficiency, according to MedlinePlus. Continue Reading.
Your doctor will tell you how much iron you need to take every day. Typically, adults need to get between 60 and 120 mg of iron a day. The best way to take the supplement so that you absorb the greatest amount of iron is to take it in two or more doses during the day.