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osteoporosis, calcium supplements and calcium paradox
Osteoporosis & Bone Health | Last Active: May 24 10:28pm | Replies (68)Comment receiving replies
Hello @tsc, thanks for your answer. There are few medical studies that address the issue of vessel calcification due to calcium supplements in osteoporosis. We are walking in the darkness.
May be Dr. Fishman is right about the dose, but I have also read that the intestine cannot absorb more than 500mg of calcium. May be it is true that the excess is eliminated by our kidneys. However, I would like to make decisions based on some scientific results.
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Melia 7, this is a significant question since the #1 cause of death in women. The trouble is that there isn't scientific agreement.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7276095/
I've only been advised to take calcium supplements by one of the many endocrinologists I've seen over the last years for osteoporosis. His advice was to take 5oomg at bedtime because we lose calcium at night. We also lose calcium when we exercise.
I never take more than 250mg at a time, so now I take it at night. I take 250 in the morning several hours before the Forteo injection. But I never take calcium without prior K2. More controversy over K2.
Of course bioavailability isn' absorbability. The calcium we don't absorb is excreted throught the kideys and the colon where it can cause kidney stones and (some say precancerous) polyps.
Calcium lactate is the least absorbable form of calcium at 30%, aside from calcium gluconate.
I don't think we can even form opinions. I would question anyone's confidence. We are just making our best guess.