Effects of Vitamin D3 Supplementation and Resistance Training on 25-Hydroxyvitamin D Status and Functional Performance of Older Adults: A Randomized Placebo-Controlled Trial.
25-hydroxy-vitamin D
mobility
older adults
physical fitness
resistance training
vitamin D supplementation
Journal
Nutrients
ISSN: 2072-6643
Titre abrégé: Nutrients
Pays: Switzerland
ID NLM: 101521595
Informations de publication
Date de publication:
26 Dec 2021
26 Dec 2021
Historique:
received:
06
12
2021
revised:
22
12
2021
accepted:
23
12
2021
entrez:
11
1
2022
pubmed:
12
1
2022
medline:
27
1
2022
Statut:
epublish
Résumé
Vitamin D status is associated with muscle strength and performance in older adults. To examine the additive effects of vitamin D3 supplementation during resistance training, 100 seniors (65-85 years) participated in a 16-week intervention. Besides a daily dose of 400 mg of calcium, participants received either 800 IU vitamin D3 per day (VDD), 50,000 IU vitamin D3 per month (VDM) or nothing (CON). After the initial loading phase of four weeks, all groups started a 10-week resistance training program. Assessments of 25-hydroxyvitamin D (25(OH)D) status, muscle strength endurance (30-s chair stand and arm curl tests), aerobic capacity (6-min walk test) and functional mobility (gait speed and timed up and go test) were undertaken at baseline, after four weeks and at the end of the study. 25(OH)D status significantly improved in VDD and VDM, but not in CON (time x group:
Identifiants
pubmed: 35010961
pii: nu14010086
doi: 10.3390/nu14010086
pmc: PMC8746949
pii:
doi:
Substances chimiques
Vitamins
0
Cholecalciferol
1C6V77QF41
Calcifediol
P6YZ13C99Q
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : EU-program Interreg SK-AT
ID : NutriAging
Organisme : University of Vienna
ID : Research Platform Active Ageing
Organisme : University of Vienna
ID : Open Access Funds
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