A three-month-old baby with slight foot tremors may be related to trace element deficiency, and it is recommended to undergo appropriate checks and supplementation.

A four-month-old baby has been crying and feeling restless recently, which could be due to a deficiency of trace elements. It is recommended to supplement calcium and vitamin D, and to get plenty of sunlight. If the situation does not improve, it is advisable to take the baby to a pediatrician for a check-up and trace element testing.

White nails in children may indicate a zinc or calcium deficiency, which can be supplemented through dietary adjustments or by taking zinc gluconate oral solution.

Explore the possible causes of decreased appetite in a nine-month-old baby and provide professional advice, including supplementing trace elements and increasing the intake of nutritious foods.

Your baby’s nighttime crying may be due to a lack of trace elements, which can be improved by supplementing with calcium and vitamin D, and by getting adequate sun exposure. If necessary, consult a pediatrician for a detailed examination and trace element testing.