With mint and egg.

Many supplements with an ligh absorbing calcium are cost very high price, but yiou can change theirs is on the simple home remedy is of peel egg.
Wash her of ten raw eggs, grind, add powder in jar, add lemon juice, or natural apple vinegar to covering powder, in a day use on an everyday on half tea.sp, as doing this for night, calcium is better absorbing on night, or dry powder add in any citric juice, or kefir and dose is same.

And for normalization calcium metabolism use half tbl.sp. of mint piperine,adding glass of the hot water, infuse 15 minutes, filter, add one tea.sp. lemon juice and two are honey, use on 1/3 glass after meal for three times/day within a week.