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Is it necessary to take Vitamin D supplement when there is less sunlight?
Samira Vishwas | May 17, 2026 8:24 PM CST

Is it necessary to take vitamin D supplements when there is less sunlight?

Vitamin D works like a hormone

Sydney: It is easy to assume that if you live in a country with plenty of sunlight, your body would be getting enough Vitamin D., But the reality is much more complex than this.

Nearly one in four adults in Australia is facing vitamin D deficiency. This is why Vitamin D supplementNow included in the most commonly used complementary medicines. So what is Vitamin D?? and what it supplementIt is important to take it as?

Vitamin D is a fat soluble vitamin, Which plays a very important role in keeping the body healthy. different from most vitamins, It works like a hormone in the body and is required for it in almost every cell of the body. receptor Are present.

Vitamin D is found in many forms, But Vitamin-D popularly known as Cholecalciferol3 Is considered the most important. After reaching the body, it first undergoes changes in the liver and then in the kidneys and finally calcitriolName changes to active form.

The body can also make Vitamin D itself. For this, exposure to ultraviolet rays (UVB) is necessary on the skin., Which converts an element to cholesterol present in the body into Vitamin D. certain foods such as eggs, Vitamin D is also available from oily fishes and mushrooms., But it is considered difficult to fulfill the needs of the body through food alone.

The most important function of Vitamin D is to help in utilizing calcium in the body. It increases the absorption of calcium from the intestines, Due to which the level of calcium in the blood remains adequate and the bones become strong.

If there is deficiency of Vitamin D in the body, So calcium is not absorbed properly and this can cause bone problems. Due to severe deficiency in children rickets may cause a disease called, In which the bones become weak. This affects the growth of children, There is pain in the bones and problems like bending of the legs can arise.

Whereas its deficiency in adults osteomalacia Can create a situation called. pain in bones, Fatigue and risk of fractures increases. Vitamin D deficiency, muscle weakness, Also linked to cramps and a weakened immune system. This increases the risk of respiratory infection.

The biggest reason for Vitamin D deficiency is not getting enough sunlight. If a person spends most of the time indoors, or works night shifts and sleeps during the day, So he is less exposed to sunlight and the production of Vitamin D in the body is also less.

Although, There is usually plenty of sunshine in Australia, But in some areas there is very little sunlight for a long time. This can also lead to Vitamin D deficiency. Areas in northern and southern latitudes, such as Tasmania, receive only a few hours of sunlight a day during winter.

People living in such areas may not only be deficient in Vitamin D., rather they seasonal affective disorderCan also be affected by depression called, Which is believed to be to low Vitamin-D levels.

There are many types of supplements available for Vitamin D in Australia. Vitamin D in these3 low dose (20 micrograms) and higher doses (175 Microgram) medicines are included. Apart from this, active forms of Vitamin D calcitriolof 0.25 Microgram dosage is also available.

vitamin D3 Both the medicines are used in the treatment of Vitamin D deficiency., Whereas calcitriol is used to overcome calcium deficiency in patients suffering from kidney disease for a long time. low dose vitamin d3 medicine is taken daily, Whereas higher dose medicine is taken once a week.

Can taking Vitamin D be harmful??

Vitamin D in general3 Is considered safe. Daily 100 A quantity up to micrograms is considered a safe limit. if for a long time 100 more than micrograms should be taken, So excessive calcium starts being absorbed in the body. nausea from this, Vomit, muscle weakness, loss of appetite, lack of water in the body, Problems like excessive thirst and kidney stones may occur.

Most people only need 5 to 50 mg of vitamin D several times a week to make enough vitamin D in the body. 30 Being in direct sunlight for a few minutes is enough. So if you are getting enough sunlight and do not have any skin problems, So usually there is no need to take supplements.


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