A lot of peeps drink milk for the calcium thinking it's a good source -- only if you're an infant. From what I've learned, milk breaks down acidic in your system and forces the body to pull other minerals out to get your blood to a more normal ph. Calcium is one of the most readily available and your bones are the source. From what I've read online, google is your friend.

Broccoli is a better nutritional source of calcium.

FWIW
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Better is the Enemy of Good Enough.
Okay, what’s your point??