Spiky Bugger
Well-Known Member
- Joined
- Jan 5, 2014
- Messages
- 6,310
But, but...
Mayo says that calcium citrate can/might/could be only 21% elemental calcium, which would mean that each 630 mg tablet is really only 132 mg of elemental calcium?
How do we KNOW which products contain 500 mg of elemental calcium?