1 Foods rich in protein, fat and carbohydrates: In winter, the intake of staple food and fat should be appropriately increased to ensure the supply of high-quality protein. Mutton, beef, chicken, shrimp, sea cucumber and other foods are rich in protein and fat, which produce a lot of heat. Chinese medicine believes that it is beneficial to kidney and yang, warming the middle and warming the lower, invigorating qi and generating blood, and has a good cold-proof effect;
2. Foods rich in calcium and iron: Foods containing calcium mainly include milk, bean products, kelp, laver, oysters, sardines, shrimp, etc. Iron-containing foods are mainly animal blood, egg yolk, pig liver, soybeans, sesame seeds, black fungus and red dates. Appropriate supplementation of foods rich in calcium and iron can improve the body's ability to keep out the cold;
3. Foods rich in iodine: such as kelp, laver, Nostoc flagelliforme, jellyfish, spinach, Chinese cabbage, corn, etc. Foods containing iodine can promote the secretion of thyroxine, increase the body's heat production capacity, enhance the basal metabolic rate, accelerate the blood circulation of the skin, and resist cold and cold;
4. Foods rich in vitamin A and vitamin C: Vitamin A mainly comes from animal liver, carrots and dark green vegetables, while vitamin C mainly comes from fresh fruits and vegetables, such as pears, sugar cane, grapefruit, citrus, lotus root, carrots, lilies and sweet potatoes. Appropriate intake of vitamin A and vitamin C can enhance cold tolerance and adaptability to cold, and has a good protective effect on blood vessels;
5. Foods containing more methionine: such as sesame seeds, sunflower seeds, dairy products and leafy vegetables. Cold weather increases the demand for methionine in human body, and methionine can provide a series of methyl groups necessary to adapt to cold through transfer.