Vitamin D vs Vitamin D3: Are they the same, and which one to consume

Thursday - 28/08/2025 05:09
Vitamin D, crucial for bone strength, immunity, and mood, comes in various forms, with D3 being more effective. Produced naturally by sunlight, D3 is better absorbed and raises vitamin D levels more efficiently than other forms. For optimal absorption, stronger immunity, and healthier bones, Vitamin D3 is the preferred choice, often taken with meals.
Vitamin D vs Vitamin D3: Are they the same, and which one to consume
In recent years, Vitamin D has gained quite the popularity and is a hot topic in the health and wellness industry for all the good reasons. Vitamin D aka the “sunshine vitamin”, plays a key role in keeping the bones strong, immunity sharper and the mood, well perfectly balanced.One is likely to come across different labels, when they walk inside a pharmacy such as : Vitamin D, Vitamin D2, Vitamin D3 and this is where the confusion actually starts.
Easy ways to increase your Vitamin D intake
Are all the same? Which one to take?Let us decode this today, which version is best for our body.

Vitamin D

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Vitamin D is a fat-soluble vitamin that helps the body absorb calcium and phosphorus, two of these are essential for bone strength. It plays a crucial role in immune regulation, mood stability and hormonal balance.While sunlight is its most important source and one of the natural ways for the body to absorb and produce vitamin D, is might not always be reliable. That is where dietary sources come into play:

Sources of Vitamin D:

  • Oily fish (Salmon, trout)
  • Egg yolks
  • Fortified foods such as breakfast cereals and fat spread

Plant-based sources

  • Mushrooms
  • Fortified plant milk (almond, soy, oat milk)

Vitamin D3

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When our skin is exposed to sunlight (UVB rays), our bodies produce a natural form of Vitamin D, known as cholecalciferol. Also found in certain plant-based foods as well.

Vitamin D3 has:

D3 is more easily absorbed by the body as compared to other forms of Vitamin D (Especially D2).
It is known to stay in the bloodstream longer than most forms of Vitamin D. Growing research says that it is better at raising blood levels and sustains 25 (OH) D, the circulatory form of vitamin D.

Natural sources of Vitamin D3

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  • Sunlight (15–30 minutes, a few times per week)
  • Fatty fish (salmon, mackerel, sardines)
  • Egg yolks
  • Cod liver oil
  • Fortified dairy or plant milks
  • Supplements (cholecalciferol-based)

How to take Vitamin D3 supplements effectively

Doctors suggest that it is more effective when taken with meals. It typically comes in different formats such as softgels, sprays or drops. Choose the right from and dosage which varies from 1,000-2,000 IU/day (safest for most people)

Top benefits of Vitamin D

  • It supports bone health
  • It boosts immunity
  • Improves mood and mental health
  • Supports muscle strength and function
  • It is considered essential during pregnancy

Which one to consume

While both Vitamin D and D3 fall under the same category, they are not equally effective. D3 is the form that is naturally produced by the body from sunlight and is proven to be more efficient at raising and maintaining healthy vitamin d levels in the body.If one’s aim is to have better absorption, stronger immunity and healthier bones, Vitamin D3 would be a smarter choice.

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