Difference Between Vitamin D and D3

The D vitamins are fat-solvent vitamins that assume a significant job in calcium absorption and bone health, just as immune function. Our skin produces vitamin D when exposed to sunlight, yet due to the skin cancer risk, numerous individuals avoid sun presentation or use sunscreen, which keeps the body from producing vitamin D. Numerous kinds of milk and dairy products, alongside squeezed orange, are likewise fortified with vitamin D. In any case, a considerable lot of us do not get enough vitamin D and need to take a supplement. There are two forms of vitamin D dietary supplements: vitamin D2 (ergocalciferol) and vitamin D3 (cholecalciferol), and it is imperative to understand their differences while picking which vitamin D supplement to take. Here, in this article, we will study about the vitamin D and D3, and the difference between vitamin D and D3 in detail.


Let us first learn in brief about what is vitamin D and vitamin D3.

Vitamin D and D3


Vitamin D 

Vitamin D is a significant vitamin obtained from sunlight. It is fundamental for solid bones and enables the body to utilize calcium from the diet. It is normally present in fish, fish liver oils, egg yolk, and so on. Lower levels of vitamin D may lead to cancers, cardiovascular diseases, extreme asthma in children, and so forth. 


Vitamin D3 

Vitamin D3 can affect in excess of 2000 qualities in the body. Lower levels of vitamin D3 can affect human health. It is liable for the gene regulation. It greatly affects the bone health, insulin control, low blood pressure, cancer counteraction, and so on. 


Let us learn about the main differences between the vitamin D and the vitamin D3. take a look at the table given below.


Main Differences Between Vitamin D and D3

Vitamin D

Vitamin D3

It is manufactured in both the plants and the animals

It is manufactured specifically in the animals and is found on the skin of the animals

It exists in five different forms namely vitamin D1, D2, D3, D4 and D5

Vitamin D3 exists as Cholecalciferol

It is not always beneficial to the body. The vitamin D2 might be toxic for the body

Vitamin D3 is proven good for the body

It is a micronutrient that is necessary for the absorption of the calcium, magnesium and phosphate

It is a subtype of vitamin D that is produced by the skin



The listed above are a couple of differences between vitamin D and vitamin D3. From the differences, we can conclude that the fundamental difference between vitamin D3 and vitamin D is that Vitamin D3 is a subgroup of vitamin D which is produced by the exposure of the skin to the sunlight.


Vitamin D and D3 Difference

Let us learn in detail about the vitamin D and D3 difference for your better understanding.

The term vitamin D is kind of a misnomer since you won't find anything labelled essentially as "vitamin D" in a drug store vitamin aisle. Rather, your decisions will be vitamin D2 or vitamin D3. However, when one notices vitamin D, the implied choice is vitamin D2. The names can be befuddling, on the grounds that on multiple occasions, patients go into the drug store searching for vitamin D and are surprised that there is a D2 and a D3. 

Vitamin D (D2) originates from plant sources, for example, wild mushrooms, just as fortified foods, for example, milk or cereal products. Its strength is commonly measured in universal units, which is abbreviated as "IU" on naming. The 50,000 IU capsules are prescription just, while lower strengths are accessible over-the-counter. Vitamin D is more affordable to produce and therefore is the form most generally found in fortified food products. 

Vitamin D3 essentially originates from animal sources, for example, fish oil, fatty fish, liver, and egg yolks. At the point when your skin is exposed to sunlight, it produces vitamin D3. Hence, it is once in a while referred to as the sunshine vitamin. Its strength is likewise measured in universal units. All forms of vitamin D3 are accessible over-the-counter. 

FAQ (Frequently Asked Questions)

1. Is the Vitamin D and the Vitamin D3 Same? 

At the point when we allude to vitamin D, we are discussing Vitamin D2. Vitamin D2 and D3 are both widely used vitamin D supplements yet are not the equivalent. Vitamin D2 is ergocalciferol and originates from plant-based sources. Vitamin D3 is cholecalciferol and originates from animal-based sources. The two supplements are processed in the body by the liver to 25-hydroxyvitamin D, however, vitamin D3 is thought to provide more significant levels of 25D. A few formulations of vitamin D2 are prescription just, while all formulations of vitamin D3 are over-the-counter. 

2. Should I Take Vitamin D or D3? 

Vitamin D (D2) and vitamin D3 are each viable vitamin D supplements. Vitamin D2 is approved in the treatment of hypoparathyroidism, vitamin D safe rickets, and hypophosphatemia. The two supplements are usually used for vitamin D supplementation. 

Studies have indicated that vitamin D3 supplements might be predominant in raising the body's vitamin D stores. There are numerous health advantages to vitamin D supplementation, yet your doctor should utilize lab tests to recommend the measure of vitamin D you should take and which form.

3. Is Vitamin D or D3 Better?

Both Vitamin D and D3 are processed in the body by the liver to get 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3 respectively. Several studies have shown that taking vitamin D3 would lead to higher levels of 25D, which in turn leads to a higher contribution to the vitamin D stores in the body.