Besides the three regular meals, what other nutrients should a 4-year-old child supplement?

Patient's question:

No

Doctor's answer:

Improve immunity: While paying attention to diet, outdoor activities should be strengthened to actively prevent colds.
Vegetables and fruits are rich in vitamins, minerals, and dietary fiber, and are easy to digest and absorb. They have become an important part of many babies' diets, especially the antioxidants found in some vegetables and fruits, which can help improve babies' immunity, making them less prone to illness and favored by young parents. However, homemade fruit juices and vegetable purees are not only time-consuming and troublesome but also prone to losing some nutrients (such as vitamin C) during processing.
The antioxidants in vegetables and fruits mainly include the following three types:
(1) Beta-carotene: Many young parents are already aware of the benefits of carrots because they are rich in beta-carotene. Beta-carotene can help improve babies' immunity and keep them away from illness.
(2) Vitamin C: Fruits are the best source of vitamin C. Vitamin C is not only an antioxidant but also helps with iron absorption, making sufficient fruit intake a guarantee of babies' health.
(3) Lycopene: Lycopene is a newly discovered antioxidant in recent years. Its main sources are foods like tomatoes and grapes.
Children should also strengthen exercise to improve immunity, drink more water regularly, and parents should try to take them to crowded places as little as possible while paying attention to temperature changes and adjusting their clothing accordingly.