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Dosage for vitamin D supplements

Vitamin D is very important in regulating calcium and phosphorus within the human body. 

Vitamin D is essential in maintaining bone health and it maintains the immunity system of our body. 

Exposure to sunlight is the best and cheap method to produce enough vitamin D.

The duration of sun exposure, skin type, age, and the quality of sunlight will determine the amount of vitamin D we produce. 

Vitamin D deficiency has become a major health problem as people do not expose to enough sunlight. 

People who live in regions where there is no enough sunlight, people who are at risk of getting skin cancers, who use sun creams daily, and the people who are working indoors.

You’re in need of vitamin D supplements to supply the necessary amount to function properly.

They are available in different dosage forms. But, how much vitamin D should we be taking?

What’s the best dosage for vitamin D supplements?

What is vitamin D?

Vitamin D is classified under the fat-soluble vitamins as they get absorbed well with the presence of fat and stored within the liver and fatty tissues to use in the future. 

There are two main forms of vitamin D, which are classified according to the source which can be used to obtain them. 

Vitamin D2 – Ergocalciferol is mainly found in plants and mushrooms

Vitamin D3 – Cholecalciferol is produced when the skin is exposed to sunlight. 

Do you know what boosts vitamin D’s absorbability and effectiveness?

Vitamin K2 has been shown to help boost vitamin D’s potency. While Bioperine increases absorbability.

What are the available vitamin D dosage forms?

Vitamin D supplements are available in different forms according to the purpose in which they can be used and according to the administration route. 

Enteral preparations 

Oral capsules and tablets

Vitamin D tablets which are manufactured to administer via the oral route belong to this dosage form. They are designed to meet the vitamin D requirements of the adults who are at risk of getting osteoporosis, who use long-term corticosteroids, patients with multiple sclerosis, hyperparathyroidism, and used to prevent respiratory tract infections. 

Oral liquids/ syrups

This form is used mainly for children and older adults who are unable to take the capsules orally. A dropper is used to measure the correct quantity of the liquid form. 

Vitamin D granules in sachets

This is also one form of vitamin D preparation mainly prepared for adults having swallowing difficulties. The granules within the sachet are mix with water or milk for ingestion. 

Topical vitamin D applications 

Vitamin D preparation called calcipotriol is applied directly to the skin as a topical treatment method. This is widely used in the treatment of skin conditions like psoriasis. 

Parenteral preparations

Intramuscular injection of vitamin D

Other than the oral dosage forms the vitamin D can be given parenterally. Intramuscular injections are used. This is administered as a single shot annually to prevent vitamin D deficiency among the risk population. 

Intravenous vitamin D administration

Vitamin D intravenous preparations are administered directly to a vein to prevent vitamin D deficiency. This method of administration is used for patients who undergo dialysis. These intravenous injections are normally given once in three weeks. 

Vaginal suppositories.

Vitamin D suppositories are inserted vaginally to prevent vaginal atrophy among the patients who undergo chemotherapy treatments. This is widely used among breast cancer patients who are managed with the help of tamoxifen. 

Vitamin D transdermal patches 

Vitamin D is available as transdermal patches, where when the patch is placed over the skin, it courses to absorb vitamin D through the skin. This is used to overcome the first-pass metabolism and used to treat patients who are having fat malabsorption. This method can be used to administer vitamin D slowly through the skin and can prevent difficulties associated with gastrointestinal symptoms. 

Conclusion

According to the Endocrine Society an intake of 400 to 1000 International Units (IU) daily for infants less than one year, 600 to 1000 IU for children and adolescents from 1 to 18 years, and 1500 to 2000 IU for all adults are recommended.
[source: Vitamin D]

Your daily vitamin D requirement may vary depending on various factors such as your age, skin type, blood vitamin D level, and your frequency of sun exposure. 

Vitamin D is an essential fat-soluble vitamin that is important in maintaining body health as well as preventing future diseases such as osteoporosis and colon cancers. 

You can examine your vitamin D deficiency by a laboratory blood test, where it measures circulating vitamin D within your body. 

In some instances, the daily vitamin D requirement may increase more than the above-mentioned value if you are a person with dark skin tone, live far away from the equator, are older age, and if you are having any other related underline disease condition. 


“I have the metabolism of a sloth and a body that hates putting on muscles. This curse motivated me to study weight loss and nutrition. I want to share my experiences and knowledge to help you achieve your ideal body.”

— Christian Tanobey

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