0~1岁每日2~4mg,1~4岁每日4~5.5mg,4~11岁5.5~7mg,11岁以上男性7.5~9mg,11岁以上女性10~12.5mg
0~1岁每日2~4g,1~4岁每日4~5.5g,4~11岁5.5~7g,11岁以上男性10~12.5g,11岁以上女性7.5~9g
0~1岁每日2~4mg,1~4岁每日4~5.5mg,4~11岁5.5~7mg,11岁以上男性10~12.5mg,11岁以上女性7.5~9mg
0~1岁每日2~4g,1~4岁每日4~5.5g,4~11岁5.5~7g,11岁以上男性7.5~9g,11岁以上女性10~12.5g