Randomized Trialhigh evidence
Effects of a 1-year calcium-enriched permeate supplement on bone health in postmenopausal females: The RENEW randomized controlled intervention trial.
The American journal of clinical nutrition·July 1, 2026·PMID 42097280
Why it mattersIt provides evidence that a dairy-derived calcium source (permeate) is as effective as calcium carbonate for bone health, offering an alternative for patients who prefer food-based supplements or have GI intolerance to carbonate.

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