Effects of Eggshell Calcium- and Vitamin D-Fortified HMR Combined with Aerobic Exercise on Bone Mineral Density in Postmenopausal Women: A Pilot Randomized Controlled Trial.

Plain-language guide to PMID 41754122 (2026): double-blind randomized controlled trial of Vitamin D, K2, Magnesium and Zinc.

Key Facts

PMID: 41754122
Journal: Nutrients
Year: 2026
Study type: Randomized Controlled Trial
Authors: Jung S et al. (5 authors)
DOI: 10.3390/nu18040605

What This Study Did, in Plain Language

What Was Tested

Researchers studied Vitamin D, K2, Magnesium and Zinc in this randomized controlled trial publication.

Adequate calcium and vitamin D intake, along with regular physical activity, is essential for maintaining skeletal health in postmenopausal women.

In populations with low dairy consumption, sustainable and bioavailable calcium sources are required to support bone integrity.

This pilot randomized, double-blind, controlled trial investigated the effects of calcium- and vitamin D-fortified home meal replacements (HMRs) made with eggshell powder, combined with weight-bearing aerobic exercise, on bone mineral density (BMD) and bone turnover markers in postmenopausal women.

Who Took Part

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

How the Study Was Run

In design terms this was a randomized, double-blind and pilot study.

Because people in this Vitamin D, K2, Magnesium and Zinc study were split into groups at random, differences between the groups are less likely to reflect who happened to join each one.

As a double-blind Vitamin D, K2, Magnesium and Zinc study, the assignments were hidden from both participants and investigators until the end.

It is described as a pilot, a small early test of whether a larger Vitamin D, K2, Magnesium and Zinc study would be practical.

What Was Measured

Topics PubMed links to this paper include Bone Density, Pilot Projects, Vitamin D, Postmenopause, Egg Shell, Exercise and Food, Fortified.

Author keywords: calcium and dietary supplements.

What This Means in Plain Language

The paper is a randomized, double-blind and pilot study of Vitamin D, K2, Magnesium and Zinc.

The abstract goes on to report its results in about 6 sentences; this page does not restate them, so read the paper for the findings and their limits.

The publication is from 2026 (Nutrients), a journal based in Switzerland.

More context: the Vitamin D, K2, Magnesium and Zinc compound page, all human trials.

Our Notes on the Compound

Vitamin D, K2, Magnesium and Zinc: Magnesium is described as required for AMPK to function.

Vitamin D, K2, Magnesium and Zinc in the library

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.