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.
If you are taking iron supplements without a prescription: 1  Do not take iron supplements by mouth if you are receiving iron injections. 2  To do so may result in iron poisoning. 3  Do not regularly take large amounts of iron for longer than 6 months without checking with your health care professional.f you think you or anyone else has taken an overdose of iron medicine: 1  Call your doctor, a poison control center, or the nearest hospital emergency room at once. 2  Follow any instructions given to you. 3  Go to the emergency room without delay. 4  Take the container of iron with you.