Consuming a variety of nutritious foods helps to maintain overall health and strengthen the immune system. Getting adequate amounts of vitamins and minerals is important to maintain health, and the lack of certain vitamins and minerals, including vitamins B6, B12, C, D, folate, iron, and zinc (zinc), may negatively affect the immune system. Also called ascorbic acid, it is an essential nutrient found in many fruits and vegetables, including citrus fruits, tomatoes, potatoes, red and green peppers, kiwi, broccoli, and strawberries. Antimicrobial, antiviral, and plays an important role in immune system function. Vitamin C also helps absorb iron in the body. #### **Vitamin D** Vitamin D is obtained from exposure to sunlight, consumption of certain foods and supplements... Vitamin D, in addition to its well-known effects on calcium absorption and bone health, also plays an important role in the functioning of the immune system... Vitamin D deficiency increases the possibility of infection and increases the risk of influenza and other respiratory tract infections such as ############################################################################### ############################################################################### It increases the possibility of infection.. (zinc)** Zinc is an essential nutrient found in a wide variety of foods, including chicken, nuts, whole grains, and dairy products. Zinc plays an important role in cellular metabolism, is essential for the activity of approximately 100 enzymes, and is involved in many body processes, including immune system function. Zinc also has antiviral properties. The immune system is negatively affected... Research shows that low zinc levels are associated with a higher risk of viral infections and that people who are deficient in zinc are more at risk of respiratory illnesses and colds.. Symptoms... #### **group B vitamins** "B" group vitamins, which help the body to release energy from consumed food and maintain the health of the nervous system, include several vitamins, and below we briefly mention the role and sources of each of these vitamins: ##### *Vitamin B1 (Thiamine)** Its sources include some fresh fruits such as bananas and oranges, nuts and whole-wheat bread... ##### **Vitamin B2 (riboflavin)** Its sources include milk, eggs, and fortified breakfast cereals... ##### **Vitamin** **B3 (Niacin)** Its sources include meat, fish and eggs... ##### **Vitamin B5 (pantothenic acid)** Almost all vegetables, whole grain foods, chicken, eggs and meat contain varying amounts of... ##### **Vitamin B6** which is naturally present in many foods and is involved in a hundred enzymatic reactions involved in the body's metabolism.. Some food sources containing this vitamin include chicken, fish and beans.. Folate is found in many foods and folic acid is a synthetic form of folate that is converted into its active form in the body.. Folate in food includes dark green vegetables such as spinach and broccoli... ##### **Vitamin B12** This vitamin helps the body in making healthy red blood cells, maintaining the health of the nervous system and using folate. Good sources of this vitamin include meat, fish, milk and eggs... ### **Strengthening the immune system with plant compounds** According to a number of studies, some plant compounds can play a role in strengthening the body's immune system, which we will mention below... ### Echinacea Echinacea is a plant native to North America and has antioxidant and anti-inflammatory properties that play a role in strengthening the immune system, and some of its species are used in food supplements. Research shows that echinacea can reduce the risk of colds by having a positive effect on the function of the immune system. Acerola is a rich source of vitamin C and has antioxidant properties. The body's immune system is sensitive to oxidative stress (increasing free radicals). Antioxidant properties can significantly improve the immune system.. Goon is a type of plant native to Asia and one of the most important plants in traditional Chinese medicine. This plant has antioxidant, anti-inflammatory and immune system regulating properties.. radicals.... free radicals in the body damage cells and are associated with many health problems.... **The role of lactoferrin in strengthening the immune system of children** Lactoferrin is a protein found in human milk, animal milk, and other body fluids.. The first milk produced after a baby is born has more lactoferrin.... Lactoferrin helps the body regulate iron absorption from the gut and appears to protect against infections caused by bacteria and viruses.... Lactoferrin in breast milk is thought to help protect infants against infections.. Microorganisms Fluoromicrobials (including beneficial bacteria) of the digestive tract and are decomposed by these microorganisms... The products of prebiotics decomposition ** have a positive effect on the health of the digestive tract and other organs of the body.... Fructo-oligosaccharides and galactoligosaccharides are two important groups of prebiotics that have beneficial effects on human health... ** The role of supplements and multivitamins in strengthening the immune system Children** Ensuring that children get enough vitamins and minerals is very important to keep children healthy. Most children can usually get enough nutrients from a balanced diet, but sometimes they may need to take supplements and multivitamins. Today, there are multivitamins suitable for children on the pharmaceutical market that simultaneously contain many vitamins and minerals that are effective in strengthening the immune system of children. The performance and strengthening of our children's immune system, we can help to strengthen its performance and, as a result, improve the health of our children.... **Footnote:** This general information is a limited summary of diagnostic, treatment and/or drug information. It is not intended to be comprehensive and should be used as a tool to assist the user in understanding and/or evaluating potential diagnostic and treatment options.. This information does not include all information about conditions, treatments, drugs, side effects or risks that may apply to a particular patient.. Risks or benefits of using drugs.... This information does not endorse any treatment or drug as safe, effective or approved for the treatment of a particular patient.... I, Dr.... Mehdi Afshari disclaims any warranty or liability related to this information or its use... > *Dr. Mehdi Afshari, pediatrician, children and adolescents\_ boarded specialized* > * Among the medical services provided in the office are periodical examinations of children, periodical monitoring of children's growth and physical development, treatment of various infectious, digestive and respiratory diseases in children and adolescents, nutritional counseling, education and periodical care of premature babies, monitoring and treatment of all periodical problems during infancy, periodical mental and physical evaluation of children. > *special services of Dr. Mehdi Afshari: specialized office circumcision, home visit and online consultation* > > *Practice address: No. 193, South Mehrabad, Southern Air University, Tafarsh East, Tehran > > *Contact number: 021-66602506*