It is worth remembering that vegans need less calcium (600 mg vs 1000 mg a day) because not eating animal products mean we lose less. (nutritionfacts.org)
They found that women with the highest intake of K2 had 20 % less calcium in their arteries than those with the lowest intake. (health.com)
Some factors to consider are that the body has a limit for how much calcium it can absorb at once, so often once - daily vitamins actually provide less calcium than divided doses. (mindbodygreen.com)