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Related Concept Videos

Role of Vitamins in Maintaining Bone Health01:25

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...
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

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.
Calcium and Phosphorus
Calcium is a critical component of bones, especially in the form of calcium phosphate and calcium carbonate. Since the body cannot make calcium, it must be obtained from the diet. However, calcium cannot be absorbed from the small intestine without...
Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
The Bone Matrix01:18

The Bone Matrix

Bone contains a relatively small number of cells entrenched in a matrix of collagen fibers that provide an adherent surface for inorganic salt crystals. Both components of the matrix, organic and inorganic, contribute to the unusual properties of bone. Without collagen, bones would be brittle and shatter easily. Without mineral crystals, bones would flex and provide little support. This can be observed by an experiment: when the minerals of a bone are dissolved by soaking the bone in acid or...
Vitamins01:30

Vitamins

Vitamins, derived from the Latin word for life, are essential organic substances required in small quantities for optimal growth and overall well-being. Unlike other organic nutrients, vitamins don't act as sources of energy or building materials but rather facilitate these nutrients' utilization by the body. Vitamins are predominantly coenzymes, assisting enzymes in specific chemical actions, like the oxidation of glucose for energy involving B vitamins. Most vitamins are not produced in our...

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Related Experiment Video

Updated: Jul 10, 2026

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
06:47

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells

Published on: May 4, 2018

[Vitamin K and bone quality].

Kuniko Hara1, Yasuhiro Akiyama

  • 1Eisai Co., Ltd., Clinical Research Center, Applied Drug Research Department, Pharmacological Evaluation Section.

Clinical Calcium
|November 6, 2007
PubMed
Summary

Vitamin K2 (VK2) supplementation can decrease fracture incidence by improving bone quality. Studies show VK2 enhances bone microarchitecture and collagen, contributing to stronger bones and fewer fractures.

Area of Science:

  • Biochemistry
  • Orthopedics
  • Nutritional Science

Context:

  • Osteoporosis and fracture risk are significant public health concerns.
  • Vitamin K2 (VK2) plays a crucial role in bone metabolism.
  • Previous research suggests a link between VK2 and bone health.

Purpose:

  • To synthesize evidence on the effects of VK2 on bone quality and fracture incidence.
  • To elucidate the mechanisms by which VK2 may influence bone strength and microarchitecture.

Summary:

  • Meta-analysis of clinical studies indicates VK2 supplementation reduces fracture incidence.
  • Preclinical data reveal VK2 improves trabecular microarchitecture and bone strength.
  • VK2 enhances collagen levels and proline hydroxylation, suggesting improved bone matrix quality.

More Related Videos

Preparation Of Gushukang (GSK) Granules for In Vivo and In Vitro Experiments
06:16

Preparation Of Gushukang (GSK) Granules for In Vivo and In Vitro Experiments

Published on: May 9, 2019

Related Experiment Videos

Last Updated: Jul 10, 2026

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
06:47

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells

Published on: May 4, 2018

Preparation Of Gushukang (GSK) Granules for In Vivo and In Vitro Experiments
06:16

Preparation Of Gushukang (GSK) Granules for In Vivo and In Vitro Experiments

Published on: May 9, 2019

Impact:

  • Findings support VK2 as a potential therapeutic or preventative agent for fractures.
  • Understanding VK2's role in bone quality can inform nutritional and clinical guidelines.
  • Further research into VK2 mechanisms may lead to novel osteoporosis treatments.