http://ag.arizona.edu/pubs/health/az1042.pdf
Supplement Form |
Percent Elemental Calcium |
Comments |
Calcium Citrate |
21% |
Best absorbed supplemental form of calcium.It does not require the presence of extra stomach acid to dissolve. Calcium citrate can come in colloidal form.This is a liquid form of calcium that may be less irritating to the intestinal wall. |
Calcium Carbonate |
40% |
Most common type of calcium supplement on the market.Usually requires extra stomach acid for digestion, so should be taken with a meal. |
这里有个视频,虽然有些说法有些争议和有广告嫌疑,但可以听听: