Supplements for children's health can play an important role in their development, especially in cases where the diet does not provide sufficient essential nutrients. It is essential to understand that while supplements can help in filling gaps in a deficient diet, they should not replace a balanced and healthy diet.

One of the most common supplements for children is vitamin D, which is crucial for bone development and immunity. In areas with limited sun exposure, vitamin D supplementation may be necessary to prevent deficiencies. Additionally, iron supplements are important, especially for growing children and those with a diet low in iron sources, helping to prevent iron-deficiency anemia.

Omega-3 fatty acids, particularly DHA, are essential for brain and vision development. Children who do not consume enough Omega-3 sources in their diet may benefit from supplements. Furthermore, probiotics can support digestive health and reduce the incidence of certain gastrointestinal problems.
 

Calcium is essential for bone and teeth development and strength. It is especially important during childhood and adolescence when most of skeletal growth occurs. Calcium deficiency during these developmental stages can affect bone density and increase the risk of fractures and later bone conditions such as osteoporosis. Dietary sources of calcium include dairy products, leafy green vegetables, and certain types of fish. In cases where the diet does not provide sufficient calcium or in children with lactose intolerance, supplementation may be necessary.
 

Vitamin C is vital for skin, blood vessels, bone, and connective tissue health. It also plays a crucial role in wound healing and is a powerful antioxidant that protects cells from damage caused by free radicals. Vitamin C is also essential for the efficient functioning of the immune system. Although severe deficiencies like scurvy are rare in modern societies, inadequate intake can lead to increased susceptibility to infections. Common sources of vitamin C include citrus fruits, bell peppers, kiwi, broccoli, and strawberries. Supplementation with vitamin C may be considered in cases where a child's diet is limited in fresh fruits and vegetables.