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Difference between Vitamin D and Vitamin D3

Difference between Vitamin D and Vitamin D3

When most people think of vitamins, they think of vitamin D. This is because vitamin D is one of the most important vitamins for human health. Vitamin D deficiency can cause a wide variety of health problems. However, there is a lot of confusion about what exactly vitamin D is and what the difference is between vitamin D and vitamin D3.

What is Vitamin D?

Vitamin D is an essential nutrient that plays a number of important roles in the body. First and foremost, Vitamin D is critical for maintaining strong bones and preventing conditions like osteoporosis. This vitamin helps to facilitate the absorption of calcium from food, thereby strengthening bones and teeth. In addition, Vitamin D also acts as an immune booster, helping to protect against diseases ranging from the simple cold to more serious conditions like cancer. Furthermore, Vitamin D may also be involved in regulating mood and nutrient metabolism in the body. Overall, Vitamin D is a vital nutrient that is essential for supporting overall health and wellbeing.

What is Vitamin D3?

Vitamin D3, also known as cholecalciferol, is a type of vitamin D that is naturally produced by the body when exposed to sunlight. Vitamin D3 is also found in some foods, such as fish and eggs. Vitamin D3 plays an important role in the body, helping to regulate calcium and phosphorus levels. It also helps to maintain strong bones and teeth. Vitamin D3 deficiency can lead to a condition called rickets, which causes softening of the bones. Vitamin D3 supplements are available for people who do not get enough of the vitamin from sunlight or food sources.

Difference between Vitamin D and Vitamin D3

Vitamin D is a fat-soluble vitamin that is stored in the liver and fatty tissues. Vitamin D can be obtained from food sources, such as eggs, fish, and fortified milk, but it is also produced in the body when the skin is exposed to sunlight. Vitamin D3, also known as cholecalciferol, is a form of Vitamin D that is synthesized in the body from cholesterol. Vitamin D3 can also be obtained from food sources, such as eggs, fish oil, and liver. Vitamin D3 supplements are also available. Vitamin D3 is the active form of Vitamin D and is thought to be more effective than Vitamin D in increasing levels of Vitamin D in the body. Vitamin D3 supplements are generally recommended over Vitamin D supplements because they are more easily absorbed by the body.


Now that you know the difference between Vitamin D and Vitamin D3, what’s the best way to get your daily dose? The recommended dosage of vitamin D for adults is 600 IU per day, so most people will be able to meet their needs by getting a few minutes of sun exposure every day and eating a healthy diet. However, if you are unable to get enough sun or have a dietary restriction, you may need to take a supplement.

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