Another way to get around the constipation is to take Milk of Magnesia every night before bed. It is safe to do this, according to my infectious disease doctor.

It is better to get your calcium from food anyway. I do a combination. I add up the amount of calcium I have consumed during the day (there are apps for that as well) and then I only take the calcium I need.

Vitamin D3 and Calcium is a good start - but you also REALLY need vitamin K2 (mk4 mk7) and magnesium - and a little boron (3 mg twice a day) helps. The K2 makes sure your calcium goes into your bones - not into your arteries or kidneys. It's VERY important. Look up "The Ultimate K2 Resource" by Chris Masterjohn. It's a fast, easy read and it explains SO much.

Good luck to everybody. As always, ask your doctor before you stop or start anything.