Unlocking Lean Muscle: The Power of Vitamin D for Women Aged 40-60

Study on Milk Consumption and Muscle Mass in Middle-Aged Women

Overview of the Research

A recent investigation explores the relationship between milk consumption and the increase in lean body and muscle mass among middle-aged women in Japan. Finnish researchers have discovered that consuming just two glasses of milk weekly can enhance vitamin D levels in women. This finding highlights the importance of maintaining an active lifestyle and building muscle to ensure a healthy future, particularly as women approach menopause.

Study Details

To assess the benefits of milk consumption in women over 40, a cross-sectional study was conducted in Japan, published in 2018 by Sukenobe and colleagues in BioMed Central’s Women’s Health. The study utilized data from a prior investigation conducted at the Menopause Clinic of Tokyo Medical and Dental University between November 2012 and June 2013. The research aimed to correlate various types of milk consumption—low, normal, and high-fat—with the body composition of 85 Japanese women aged 40 to 60 years.

Methodology

The researchers evaluated several health parameters, including age, menopausal status, lifestyle factors, and body composition. Participants completed a diet history questionnaire to estimate their milk consumption. Based on their responses, they were divided into two groups: “consumers,” who drank milk twice a week or more, and “non-consumers,” who drank milk less frequently. Among the 85 participants, 29 were exclusive normal or high-fat milk consumers, 18 were exclusive low-fat milk consumers, and 29 were classified as non-consumers. Eleven women who consumed both low-fat and normal/high-fat milk were excluded from the analysis.

Findings on Muscle Mass

The results indicated that those who consumed low or high-fat milk exclusively exhibited significantly higher lean body mass and muscle mass compared to non-consumers. The researchers ensured that lean body mass, body fat, and body water content were appropriate for the subjects’ age and sex. To eliminate bias, they also confirmed that the average daily protein intake did not differ significantly between milk consumers and non-consumers.

Conclusion and Implications

Building on previous research linking vitamin D levels to muscle mass retention, the study emphasizes that vitamin D intake from milk is positively associated with the development of lean body and muscle mass in consumers.

Author Information

Written by Dr. Apollina Sharma, MBBS, GradDip EXMD.

Reference

Sukenobe, Y., Terauchi, M., Hirose, A., Hirano, M., Akiyoshi, M., Kato, K., & Miyasaka, N. (2018). Normal/high-fat milk consumption is associated with higher lean body and muscle mass in Japanese women aged between 40 and 60 years: a cross-sectional study. BMC Women’s Health, 18(1), 32.