McKesson Geri-Care Zinc Sulfate Tablets are helpful for individuals with low zinc levels. Zinc is a natural mineral that helps the body maintain regular immune functions and heal wounds. Zinc levels also impact memory and learning abilities. Low zinc may also contribute to loss of appetite, unexplained weight loss, and lack of alertness. The Geri-Care Zinc Sulfate 100 Count Tablets contain 50 milligrams of zinc per tablet. The Twist Pill Crusher may be a helpful tool for users who have trouble swallowing full pills. This device allows pills to be crushed up and put in food or drinks. These tablets are an easy and effective way to supplement zinc intake.