1) Breastfeed your baby, it's the most important for small kids. Remember nothing can replace the goodness and nutrients of breast milk ever.  

2) Foods to give children:    

Nuts – Almonds, walnuts, cashews, pistachio, etc every day.

  1.   Milk Products-  Milk gives calcium, yogurt gives many vitamins like A, B1, B12, phosphorus, zinc, useful gut bacteria and cheese gives protein.
  2.  Eggs, fish, chicken are rich in proteins and Omega 3 Fatty acids.
  3.  Vegetable and Fruits- Seasonal fruits like apple, sweet lemon, lemon, banana, etc. Spinach is full of many of the vitamins and minerals that boost our immune systems.  It has vitamin A, E, C, and K, folate, manganese, zinc, selenium, and iron. 
  4. Sweet potatoes are high in beta-carotene, which studies have shown to increase the number of white blood cells and increase the activity of killer cells. Sweet potatoes are also a great source of vitamin C.
  5. Indian condiments and spices like garlic, ginger, and turmeric have antiviral and antibacterial properties. It also stimulates the production of white blood cells and also acts as an anti-oxidant.    

3) Liquid consumption increase -- every day by including soups, milk, juices, coconut water, buttermilk, lemonade, etc besides water. Avoid sugar, junk, and oily food.

4) Let Your Child Get Dirty- Encourage your child to play outside and explore the outdoors, which can help him get a dose of healthy bacteria.·  

5) Move More- Exercise may also diversify your child’s gut microbes. Make sure he gets at least 60 minutes of activity each day at the park, the playground, or indoor play space on brisk days.

6) Every morning and night to listen to a soothing song or recite a prayer. This is the best way for him/her to meditate at this stage.

7)  Show love  to your children more than often. Keep the communication bridge always open. Let them know that you are always available to them.