If your body can handle it, iron rich foods might be appropriate if your iron levels are low. Google turned up this list
Red meat, pork and poultry.
Seafood.
Beans.
Dark green leafy vegetables, such as spinach.
Dried fruit, such as raisins and apricots.
Iron-fortified cereals, breads and pastas.
Peas.
If there is another reason you platelet count is low, you should talk with your doctor and see what can be done. If you haven't already stopped using alcohol, you should. Under some conditions if the damage isn't extensive, the liver can regenerate but damage must be stopped.