Percutaneous electrical nerve stimulation (PENS) is used to relieve pain and is essentially. the same as transcutaneous electrical nerve stimulation (TENS) except that, unlike TENS, the stimulating electrodes are surgically implanted around, or immediately adjacent to, the. nerve serving the painful area.
This prevents donation. Eating. foods high in iron, such as tuna, lean red meat, eggs, nuts, beans, dark green vegetables, raisins or taking a. multi-vitamin with iron may help bring the iron level to. the acceptable range for plasma donation. down those fluids.
Other Ways to Get More Iron. 1  Cook with cast-iron: Believe it or not, food absorbs iron from cast iron pots and pains. 2  Go for the C: Vitamin C helps the body absorb iron from the food you eat. 3  But watch the calcium: Calcium makes it harder for the body to absorb iron.