title: I understand that older women should take 1,000-1,500 mg of calcium every day. I am 60, and my doctor recommends calcium citrate. However, a physical therapist I am seeing for a back problem says to take Os Cal. Which is best?
mesh_terms: D000042:Absorption; D002118:Calcium; D002119:Calcium Carbonate / Q000008:administration & dosage / Q000493:pharmacokinetics; D019355:Calcium Citrate / Q000008:administration & dosage / Q000493:pharmacokinetics; D002136:Calcium, Dietary / Q000008:administration & dosage* / Q000493:pharmacokinetics; D019343:Citric Acid / Q000008:administration & dosage / Q000493:pharmacokinetics; D019587:Dietary Supplements; D005260:Female; D006801:Humans; D008293:Malates / Q000008:administration & dosage / Q000493:pharmacokinetics; D008875:Middle Aged; D014807:Vitamin D / Q000008:administration & dosage
chemical_list: D002136:Calcium, Dietary; D008293:Malates; D014807:Vitamin D; D019343:Citric Acid; C083976:calcium citrate malate; D002119:Calcium Carbonate; D019355:Calcium Citrate; D002118:Calcium