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Effects of a 1-year calcium-enriched permeate supplement on bone health in postmenopausal females: The RENEW randomized controlled intervention trial.

Plain-language guide to PMID 42097280 (2026): double-blind randomized controlled trial of Copper (Supplement).

Key Facts

PMID
42097280
Journal
The American journal of clinical nutrition
Year
2026
Study type
Randomized Controlled Trial
Authors
Tetens I et al. (11 authors)
DOI
10.1016/j.ajcnut.2026.101339
Registered trial
NCT04836637

What This Study Did, in Plain Language

What Was Tested

This randomized controlled trial looks at Copper (Supplement).

Linear mixed-effects models were used to assess fixed and random effects. adjusted for multiple outcomes.

Why It Was Studied

Calcium-enriched permeate (CP) and inulin may enhance absorption and bone mineral density (BMD).

Who Took Part

By PubMed's age tags, the people studied were middle-aged adults and older adults, women only.

How the Study Was Run

The researchers set it up as a randomized, double-blind and placebo-controlled study.

Random assignment meant chance, not the researchers, decided who got Copper (Supplement) and who got the comparison, which limits bias.

Blinding on both sides kept the participants and researchers unaware of who received Copper (Supplement).

A placebo (an inactive look-alike) gave the Copper (Supplement) group a baseline to be compared against.

Primary outcome was C-terminal telopeptides of type I collagen; secondary outcomes were procollagen type I N-terminal propeptide and BMD.

What Was Measured

The subject headings attached to it are Bone Density, Dietary Supplements, Calcium, Dietary, Postmenopause, Osteoporosis, Postmenopausal, Biomarkers and Collagen Type I.

The authors tagged it with the keywords CTX, PINP, antiresorptive effect, bone mineral density, bone turnover biomarkers and iPTH.

What This Means in Plain Language

The paper is a randomized, double-blind and placebo-controlled study of Copper (Supplement).

The abstract goes on to report its results in about 8 sentences; this page does not restate them, so read the paper for the findings and their limits.

The publication is from 2026 (The American journal of clinical nutrition), a journal based in United States.

More context: the Copper (Supplement) compound page, all human trials.

Our Notes on the Compound

Copper (Supplement): The active site of cytochrome c oxidase is described as containing copper ions that are essential for electron transfer.

Related Pages

Source: PubMed record. This explanation is written by PeptideWhiz from the public record. For research and education only. Not medical advice; no dosing information is given.