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Role of Vitamins in Maintaining Bone Health

Role of Vitamins in Maintaining Bone Health

The growth and maintenance of bone are regulated by a combination of nutritional factors, including vitamins, such as vitamin A, B12, C, D, and K.
Vitamin A
Vitamin A is involved in the process of bone remodeling. Retinoic acid, the active metabolite of Vitamin A, has nuclear receptors in osteoblasts and osteoclasts, which are involved in bone remodeling.
Vitamin B12
Vitamin B12 acts as a cofactor during the formation of osteoblast-related proteins, such as osteocalcin. Vitamin B12 plays a role...

Role of Skin in Vitamin D Synthesis

Role of Skin in Vitamin D Synthesis

The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin D3(cholecalciferol).

Exercise and Muscle Performance

Exercise and Muscle Performance

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The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
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Related Experiment Video

Updated: Jun 12, 2026

Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

Published on: September 10, 2014

Vitamin D, muscle function, and exercise performance.

Magdalena Bartoszewska¹, Manmohan Kamboj, Dilip R Patel

¹Michigan State University College of Human Medicine, East Lansing, MI, USA.

Pediatric Clinics of North America

|June 12, 2010

Summary

Vitamin D plays a crucial role in skeletal muscle function, impacting physical fitness. This review examines vitamin D

Area of Science:

Muscle physiology
Endocrinology
Nutritional science

Background:

Vitamin D is essential for skeletal muscle function beyond bone health.
Vitamin D deficiency is widespread, affecting even young, healthy individuals and athletes.
The precise supplementation needed to correct deficiency and its impact on health remain debated.

Purpose of the Study:

To review current research on vitamin D's role in muscle function.
To explore the effects of vitamin D deficiency and supplementation on physical fitness and athletic performance.

Main Methods:

Literature review of existing studies on vitamin D and muscle.
Analysis of data concerning deficiency prevalence and athletic populations.
Exploration of supplementation impacts on performance metrics.

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A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

Related Experiment Videos

Last Updated: Jun 12, 2026

Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

Human Skeletal Muscle Biopsy Procedures Using the Modified Bergström Technique

Published on: September 10, 2014

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data

Published on: December 9, 2015

Main Results:

Emerging evidence highlights vitamin D's significant impact on muscle.
Deficiency is prevalent across diverse demographics, including athletes.
The optimal supplementation strategy and its effects on fitness require further investigation.

Conclusions:

Vitamin D is vital for skeletal muscle health and overall physical performance.
Addressing widespread vitamin D deficiency may enhance athletic capabilities.
Further research is needed to establish optimal supplementation protocols for athletes and the general population.