Calcium can continue strengthening your bones until the age of 20 to 25 when peak bone mass is reached.

在20-25岁之前，补充钙质可以促进骨骼的发育。

The balance between these regulatory factors results in a peak bone mass, usually by age 20 to 29 - and this usually occurs earlier in females than in males.

这些调节因子之间的平衡决定了人体内骨量的峰值，这个峰值通常在20到29岁之间出现，且通常对于女性来说会更早地出现。