Protein such as eggs, milk, fish and shrimp are the sources of animal protein, while soybeans, nuts and cereals are the sources of plant protein.
Calcium: Calcium not only affects bone health, but also plays an important role in cardiovascular, endocrine, nervous and muscular systems.
Iron: The best food for iron supplementation is meat and animal offal rich in heme iron, such as beef, which has a high iron content.
Zinc: Old people with bad taste and loss of appetite can go to the hospital to check the zinc content in their bodies.
Vitamins: Eat more foods rich in vitamins. Vitamins play an important role in maintaining the health of the elderly, enhancing resistance, stimulating appetite and delaying aging. Oral liquid containing ribonucleic acid, selenium and vitamin C can be taken to enhance immunity.
In addition, you can choose the following supplements:
Cod liver oil: rich in vitamin D3, it can promote the absorption of calcium, enhance bone hardness and prevent osteoporosis.
Ganoderma lucidum: Sweet, rich in amino acids, trace elements and protein, it has the functions of invigorating qi, calming the nerves, relieving cough and asthma.
Cordyceps sinensis: contains a variety of essential amino acids, vitamins and trace elements, and has the effects of tonifying kidney and lung, stopping bleeding and resolving phlegm.
Please note that the above suggestions are for reference only. Please do it under the guidance of a doctor if necessary.