Timing Suggestions for Calcium and Vitamin Supplements for Boys at 90 Days

Question

He is very healthy. The boy is nearly 90 days old. When should calcium or vitamins be supplemented? Previous treatment situation and effects: No illness. Just health consultation. What kind of help do you want to receive? He is very healthy. The boy is nearly 90 days old. When should calcium or vitamins be supplemented? Should they be supplemented? Born on December 14, 2012.