WILL & DENI MCINTYRE / SCIENCE PHOTO LIBRARY WILL & DENI MCINTYRE / SCIENCE PHOTO LIBRARY
Zinc pill. View of a woman about to put a zinc pill into her mouth. This pill contains the essential mineral zinc, and is taken as a dietary supplement. Zinc is needed for many reasons by the body, including the maintenance of a healthy immune system, healthy growth and development, and for the production of energy. It is recommended that a healthy adult consumes around 15 milligrams (mg) of zinc each day. Pregnant and lactating women may require twice this amount, and supplements such as this are a convenient source. Zinc deficiency causes slow sexual development, retarded growth and a loss of appetite.
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