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.
In some people, iron supplements can cause stomach discomfort, nausea, diarrhea, constipation, and black stool. Iron is best absorbed if taken on an empty stomach. But if you are having stomach problems, you may need to take the pills with food. If the side effects of your iron pills make you feel too sick, talk to your doctor. He or she may know of another type of iron pill you can take. If you think you have anemia, do not take iron pills without talking with your doctor.