When the human body lacks nutrition, some warning signs or symptoms often appear. At this time, using food to supplement the lacking nutrients is a wonderful method that is convenient to source, simple to implement, safe and non-toxic, painless, and has significant therapeutic effects.
Lack of Vitamin A:
Depressions and lines on the nails, itchy, peeling, rough, and dry skin, watery eyes, blurred vision, night blindness, keratitis, hair loss, memory decline, mental confusion, and low libido. Therefore, one should eat more foods rich in vitamin A, such as eel, flounder, shark, cod liver oil, chicken, sheep, cow, and pig livers, egg yolks, cream, margarine, cheese, citrus fruits, jujubes, sweet potatoes, carrots, coriander, chives, shepherd's purse, spinach, daylilies, lettuce leaves, tomatoes, beans, etc. Among these, chicken liver has the highest content of vitamin A.
Lack of Vitamin B1:
Beriberi, indigestion, poor complexion, sensitivity to sound, occasional pain in the calves, constipation, loss of appetite, and in severe cases, vomiting and swelling of the limbs. Therefore, attention should be paid to eating more foods containing relatively high amounts of vitamin B1, such as pork, animal livers and kidneys, whole milk powder, millet, corn, beans, peanuts, nuts, pumpkin, loofah, bayberries, seaweed, etc. Among these, peanuts have the highest content of vitamin B1.
Lack of Vitamin B2:
Ulcers at the corners of the mouth, red and swollen nasal passages, insomnia, headaches, mental fatigue, photophobia, inflammation of the cornea, oily skin, increased dandruff, and a burning sensation in the palms and soles. Therefore, one should eat more foods rich in vitamin B2, such as animal livers and hearts, chicken, eggs, milk, soybeans, black fungus, green vegetables, etc. Among animal foods, sheep liver has the highest content of vitamin B2.
Lack of Vitamin B3:
Swollen and painful tongue, bad breath. Therefore, one should eat more lean meat, beef liver, and other foods.
Lack of Vitamin B6:
Swollen lips and tongue, dry mucous membranes, muscle spasms, excessive nausea and vomiting in pregnant women. It is advisable to eat more potatoes, pumpkins, beer, and other foods.
Lack of Vitamin B12:
Rough skin, sparse and yellow hair, loss of appetite, vomiting, diarrhea, and a tingling or prickling sensation in the fingers and toes. It is advisable to eat more fish and shrimp, poultry, eggs, and various animal livers.
Lack of Vitamin C:
Osteoporosis and dentin softening, difficulty in healing wounds, bleeding gums, deep marks on the tongue, inability to adapt to environmental changes, susceptibility to colds, broken capillaries, and in severe cases, scurvy. Attention should be paid to eating more foods rich in vitamin C, such as fresh jujubes, hawthorn, citrus fruits, kiwis, persimmons, mangoes, cucumbers, white radishes, loofah, tomatoes, spinach, coriander, chives, soybean sprouts, etc. Among fruits, fresh jujubes have the highest content of vitamin C.
Lack of Vitamin D:
Rickets, osteomalacia, and excessive sweating on the head. Foods that should be eaten more include fish and shrimp, egg yolks, dairy products, mushrooms, eggplants, etc.
Lack of Vitamin E:
Muscle atrophy, dry scalp, split ends, excessive sweating, low sexual function, and dysmenorrhea in women. One should eat more foods such as livestock meat, eggs, milk and its products, peanut oil, corn oil, sesame oil, etc.
Lack of Vitamin P:
Fragile and rupturing capillaries leading to bleeding, and atherosclerosis. It is advisable to eat more buckwheat, cowpeas, lentils, apricots, grapes, eggplants, celery, etc.
Lack of Calcium:
Emotional instability, irritability, joint pain, numbness and cramping in the limbs. It is advisable to eat more shrimp, small dried shrimp, shellfish, oysters, canned fish with bones, milk chocolate, beans and their products. Among these, small dried shrimp have the highest calcium content.
Lack of Iron:
Fatigue, itchy skin, and brittle nails. Attention should be paid to eating more foods with high iron content, such as donkey meat, pork liver, pork blood, sheep and cow kidneys, sheep tongue, soybeans, fava beans, white sorghum, dried tofu, cabbage, black fungus, etc. Among these, black fungus has the highest iron content.
Lack of Zinc:
Impaired sense of smell and taste, hair loss, testicular atrophy, and low sperm motility. One should eat more foods high in zinc, such as oysters, beef, chicken, pork, whole plain milk powder, walnuts, apples, etc. Among these, oysters have the highest zinc content.
Lack of Iodine:
Goiter. It is advisable to eat more foods rich in iodine, such as kelp, sea cucumber, oysters, fish, and seaweed.