Getting adequate amounts of essential micronutrients for the body, including vitamins and minerals, plays an important role in the growth, development and maintenance of the health of infants and children. (docosahexaenoic acid) DHA (docosahexaenoic acid) is a type of omega-3 fatty acid found in cold-water fish such as tuna and salmon, and plays an essential role in improving vision and nerve cell growth. Omega-3 fatty acid in the gray matter of the brain. DHA plays an important role in brain development and vision during infancy. and it is necessary for the normal functioning of these two parts... the growth of the baby's brain** The period from birth to two years of age is considered as the main stage of human brain development. Of course, the growth of some areas of the brain does not end until two years of age, and its growth and development will continue throughout childhood and adolescence. They are subjective. The brain collects the largest amount of DHA needed for its growth and development in the last trimester of pregnancy and the first two years of life.... Therefore, getting enough DHA is especially important during this period.... **Vitamin D** Vitamin D is a fat-soluble vitamin that occurs naturally in some foods, is added to some foods, and is available as a food supplement.... Vitamin D is produced in the body when the skin is exposed to ultraviolet rays from the sun... ### **The importance of vitamin D in children's health** The main role of vitamin D is to maintain bone health by regulating the level of calcium and phosphate (two minerals necessary for the growth and strength of bones) in the body.. Children who do not receive enough vitamin D may suffer from weak and brittle bones.. Because according to studies, the amount of vitamin D needed in children under two years who are exclusively breastfed is not provided, it is recommended to take vitamin D supplements in vitamins. A** Vitamin A is a fat-soluble vitamin found naturally in many foods such as dairy products, carrots, mangoes, dark green leafy vegetables such as spinach, cabbage, and broccoli....Vitamin A is important for growth and development, vision, and immune system function....Vitamin A also helps our heart, lungs, and other organs work properly....#### In infants and children, vitamin A is essential for growth and development and to help fight infection. Inadequate vitamin A intake may lead to vitamin A deficiency, which can cause vision impairment in the form of night blindness and may increase the risk of illness and death from childhood infections, including measles. It cannot fully satisfy the child's need for some vitamins, including vitamins A and D.. With breast milk or formula, 1,500 units should be taken daily from birth in the period of three to five days until the end of twenty-four months. The doctor has enough.. the micronutrients needed by our child.... The final point is that before taking any supplement, you should consult the child's doctor.... **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 help the user understand and/or evaluate potential diagnostic and treatment options. This information does not contain all information about conditions, treatments, drugs, side effects or risks that may apply to a particular patient.. Risks or benefits of drugs.... This information does not endorse any treatment or medication 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\_ has a specialized board* > * Among the medical services provided in the clinic are periodic examinations of children, periodic monitoring of children's growth and physical development, treatment of various infectious, digestive and respiratory diseases in children and adolescents, nutritional counseling, education and periodic care of premature babies, monitoring and treatment of all periodic problems during infancy, periodic 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*