Lamb shank of New Zealand grass-fed lamb. Lamb is a very lean type of meat. It contains little connective tissue and is tender, juicy, and soft. Lamb contains many nutrients, such as proteins, iron, zinc, and vitamin B. Lamb is low in calories and lean. Lamb meat contains more iron than, for example, vegetables and grains. Lamb has a lot of vitamin B, which provides energy, is good for the skin, and stimulates the production of red blood cells. Lamb is rich in zinc, which is important for growth, digestion, appetite, and the immune system. Most lamb products are suitable for short preparation.