Centrum Silver Chewable Vitamins do not contain iron. I didn't know that when I bought these though so I ended up taking an iron supplement with them. These vitamins are expensive so I thought for sure they would be "complete" especially since they are suppose to be formulated for older people. Maybe some older people don't have to take iron, but I do. I do like the fact that they are chewable vitamins though. This means I can take them whenever I want to, easily and without water. I usually take them in the morning but if I forget it's easy to just grab them on my way out the door. Truthfully though they don't really taste very good. If I do take them at home, I try not to chew them and just swallow them with water instead. I think that these are just average vitamins and not necessarily worth the premium price that I had to pay for them. Especially if I consider that I still have to buy and take an iron supplement.