Health Plus Zinc 15mg 90 tablet. The human body contains a mere two grams of Zinc & its importance to good nutrition has only really been recognised in recent years. It is associated with the activity of a wide range of enzymes, which work with red blood cells to transport carbon dioxide to the lungs. It aids the absorption of B vitamins & Phosphorous, promotes normal growth, aids fertility, helps maintain a healthy liver, maintains our sense of smell, taste & vision & is a vital factor in many life processes, including a proper immune function. The ideal daily intake in one small tablet.