dietary calcium

^[1]^[2]^[3]

Indications

dietary calcium* is preferred over calcium supplements for prevention of osteoporosis^[1]
no association between dietary calcium & bone-mineral density in post menopausal women ^[2]
higher calcium intake consistently associated with reduced risk of of colorectal cancer across tumor sites & sources of calcium^[3]

* calcium in food is better absorbed than in calcium supplements^[1]

calcium content of foods:

cheese: 200 mg/oz
milk: 300 mg/cup
a well-balanced diet contains 300 mg of calcium, excluding dairy & calcium-fortified foods^[1]

* RDA for women > 50 years of age & men > 70 years of age is 1200 mg/day

↑ ^{Jump up to: 1.0} ^1.1 ^1.2 ^1.3 Geriatric Review Syllabus, 9th edition (GRS9) Medinal-Walpole A, Pacala JT, Porter JF (eds) American Geriatrics Society, 2016
↑ ^{Jump up to: 2.0} ^2.1 Bristow SM, Horne AM, Gamble GD, Mihov B, Stewart A, Reid IR. Dietary calcium intake and bone loss over 6 years in osteopenic postmenopausal women. J Clin Endocrinol Metab 2019 Aug 1; 104:3576 PMID: https://www.ncbi.nlm.nih.gov/pubmed/30896743 https://academic.oup.com/jcem/article-abstract/104/8/3576/5393287
↑ ^{Jump up to: 3.0} ^3.1 Zouiouich S, Wahl D, Liao LM, Hong HG, Sinha R, Loftfield E. Calcium Intake and Risk of Colorectal Cancer in the NIH-AARP Diet and Health Study. JAMA Netw Open. 2025 Feb 3;8(2):e2460283. PMID: https://www.ncbi.nlm.nih.gov/pubmed/39960668 PMCID: PMC11833519 Free PMC article. https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2830147