GARRY WATSON / SCIENCE PHOTO LIBRARY GARRY WATSON / SCIENCE PHOTO LIBRARY
Protein food supplements. Two jars containing protein food supplements. The jar at the left is Protifar, which contains dried milk powder. At right, Maxipro is dried protein from a variety of sources. Protein is the main structural component of tissues and organs and it is essential for growth and repair of cells. A healthy diet normally will provide sufficient protein. Protein food supplements may be needed by people who are ill or undergoing intensive physical training.
Model release not required. Property release not required.