What are the effects of vitamin D? The role of vitamin D in health

27.04.23 115

Vitamin D is an important component for bone health, helping to regulate and balance the number of vitamins and minerals in the body. This vitamin brings different benefits to all subjects, from the elderly, young children, pregnant women… Learn about the role and effects of Vitamin D with Solife in the following article!

1. What is Vitamin D?

Vitamin D is not a single form like vitamins A, C, and E… but it is a group of secosteroids with the ability to dissolve fat. This vitamin can be synthesized from many different sources such as: Through food, and sunlight … then the body will absorb and create.

Vitamin D là gì?
Vitamin D is a group of fat-soluble secosteroids

Vitamins include 5 basic forms, from D1 to D5. In particular, there are two most common types, which directly affect vitamin D’s effects: Vitamin D2 (ergocalciferol) found in some fungi and plants, and vitamin D3 (cholecalciferol) found in animal and human skin. 

2. The effect of vitamin D on the body’s health

Vitamin D is considered one of the essential substances for the formation and development of the body. A deficiency of this vitamin will lead to many serious consequences.

So what are the benefits of taking vitamin D? Here are the most typical effects of vitamin D:

  • Stabilize and develop bone structure: Through the distribution, regulation, and absorption of calcium, and phosphorus, vitamin D helps form and develop bone structure, especially in young children.
Tác dụng vitamin D đối với sức khỏe cơ thể
Vitamin D helps stabilize and develop bone structure
  • Fight infections: Vitamin D has a good effect on fighting infections, colds, or flu. combined with vitamin C is a perfect duo to help improve overall health.
  • Enhance bone health: Vitamin D supports the better absorption of calcium and phosphorus into the body, thereby maintaining the strength of bones and joints, and limiting the risk of fractures and osteoporosis in old age.
  • Good for teeth: The effect of vitamin D on teeth is shown through helping to make teeth strong, and white, limiting bleeding gums, gingivitis, and gum diseases,…
  • Reduces the risk of cardiovascular disease: Helps reduce high blood pressure and the risk of cardiovascular disease in older adults.

In addition, the effect of vitamin D also supports:

  • Reduce the likelihood of breast cancer, colon cancer and prostate cancer in various subjects.
  • Reduce appetite, contribute to weight control for the body.

3. The important role of vitamin D

Vitamin D plays an important role for everyone, from the elderly, young children, pregnant women to normal people. Specifically:

The effect of vitamin D in adults:

  • Prevention of musculoskeletal diseases.
  • Reduce the risk of cardiovascular disease, cancer, especially colon cancer.
  • Improve intelligence, prevent memory decline with increasing age.

For the elderly:

  • Protect bones and joints, help prevent osteoporosis, difficulty in movement, and walking in the elderly.
Vai trò quan trọng của vitamin D
Vitamin D plays a very important role for the elderly and elderly
  • Protects heart health while reducing the risk of aging diseases, thereby helping to prolong life.

For children:

  • The effect of vitamin D is extremely necessary for children from the first years of life, helping to protect and develop the bone and joint system and supporting the regulation of calcium in the blood.
  • Lack of vitamin D children is prone to rickets, malnutrition, growth retardation, low height, and bow legs…
  • Vitamin D helps strengthen the immune system to prevent viruses that cause colds, flu, and runny nose, … reducing the risk of respiratory infections.

Pregnant women and nursing mothers:

Adequate vitamin D supplementation during pregnancy and lactation helps protect the immune system, helping mother and baby fight common diseases. In addition, vitamin D also reduces the risk of gestational diabetes

4. Side effects of vitamin D that you should be aware of

Vitamin D’s effects cannot be denied when used in appropriate doses. However, taking too much of this vitamin can cause unwanted effects.

According to research, children over 9 years old, pregnant and lactating women, and older adults who consume more than 4,000 IU of vitamin D per day may experience the following conditions:

  • Nausea, dry vomiting irritability
  • Anorexia
  • Digestive disorders, constipation.
Một số tác dụng phụ của vitamin D mà bạn nên lưu ý
Using high doses of vitamin D can cause abdominal pain, constipation, digestive disorders
  • Lose weight, lose weight continuously
  • Fatigue, memory impairment, stress…
  • Causes heart and kidney damage.

In addition, vitamin D can interact with some of the following drugs:

  • Combined with phosphate binders containing the group increases the aluminum content in the body, leading to the risk of kidney disease.
  • Anticonvulsants: Phenobarbital or Phenytoin reduces the absorption of vitamin D and vitamin A.
  • Psoriasis drugs with Calcipotriene content, combined with vitamin D will increase calcium levels in the blood.
  • Heart medications containing digoxin, taken at the same time as high doses of vitamin D increase the risk of death.

The above are the effects of vitamin D on human health. Please fully supplement this vitamin through sunbathing, using supplements to keep your body healthy and prevent the risk of disease. Thank you for following this article on Solife!

*Reference: “Importance of Vitamin D to body health” – Medlatec, from 


Retrieving date: 5/4


Trần Hoàng Uyên (Senior Manager Pharmaceutical company) là chuyên gia cấp cao với nhiều năm kinh nghiệm trong lĩnh vực dược phẩm. Tốt nghiệp cử nhân chuyên ngành Quản lý dược I tại Trường Đại học Y dược TP. Hồ Chí Minh và hiện đang công tác tại công ty dược phẩm. Với hơn 10 năm kinh nghiệm làm việc trong ngành dược, chị Hoàng Uyên là chuyên gia cộng tác tham vấn y khoa cho danh mục blog cũng như các nội dung liên quan trên Solife. (Tran Hoang Uyen (Senior Manager Pharmaceutical company) is a senior specialist with many years of experience in the Pharmaceutical field. She graduated Bachelor of Pharmacy Management I at the University of Medicine and Pharmacy at Ho Chi Minh City and is currently working for a pharmaceutical company. With more than 10 years of experience working in the pharmaceutical industry, Ms. Hoang Uyen is a medical consultant collaborator for content on Solife's website.)