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Randomized Study of the Effects of Vitamin D and Magnesium Co-Supplementation on Muscle Strength and Function, Body Composition, and Inflammation in Vitamin D-Deficient Middle-Aged Women.

Abstract：

:This study aimed to investigate the effects of vitamin D and magnesium co-supplementation on muscle strength and function, body composition, and inflammation in vitamin D-deficient middle-aged women. In this study, 83 healthy middle-aged women (40-55 years) with vitamin D deficiency were randomly assigned into two groups: (1) intervention: receiving a 50,000-IU vitamin D soft gel (weekly) plus a 250-mg magnesium tablet (daily); (2) control: receiving a vitamin D placebo (weekly) plus a magnesium placebo (daily), for 8 weeks. Before and after the intervention, anthropometric indices, muscle strength, muscle function, and some inflammatory markers were measured. After 8 weeks of supplementation, significant difference was observed in handgrip strength and time for Time Get Up and Go (TGUG) test between the intervention and placebo groups (P < 0.05). Regarding percentage of fat mass (FM%) and fat free mass (FFM%), and knee extension strength, there was no significant difference between the two groups at the end of intervention (P > .05). Serum 25(OH)-D levels increased significantly (P < 0.001) and its change was significantly different between the two groups, at the end of the intervention (P < 0.001). Serum level of hs-CRP decreased significantly in the intervention group compared to baseline (P < 0.001), and the change in hs-CRP was significant between the two groups at the end of the intervention (P < 0.01). Furthermore, serum level of TNF-α declined significantly in the intervention group compared to baseline (P < 0.001) but, no significant differences were seen between the two groups in regard of serum levels of TNF-α and IL-6 after the intervention (P > 0.05). Our findings show that vitamin D and magnesium co-supplementation, for 8 weeks, in healthy middle-aged women with vitamin D deficiency have beneficial impacts on muscle strength, muscle function, and probably inflammation.

journal_name

Biol Trace Elem Res

journal_title

Biological trace element research

authors

Kheyruri F,Sarrafzadeh J,Hosseini AF,Abiri B,Vafa M

doi

10.1007/s12011-020-02387-2

subject

Has Abstract

pub_date

2020-09-21 00:00:00

eissn

0163-4984

issn

1559-0720

pii

10.1007/s12011-020-02387-2

pub_type

杂志文章

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Randomized Study of the Effects of Vitamin D and Magnesium Co-Supplementation on Muscle Strength and Function, Body Composition, and Inflammation in Vitamin D-Deficient Middle-Aged Women.