Difference Between Omega-3 and Vitamin D

Omega-3 fatty acids are a kind of polyunsaturated fat. Calciferol, or vitamin D, is an essential organic micronutrient.

What is Omega-3?

Polyunsaturated fatty acids like omega-3 can be found in several animal and plant products.

Chemical structure and properties − Omega-3 are represented chemically as C60H92O6. The double carbon bond in the molecule's tail is the inspiration for the name omega-3. Since omega-3 is a fatty acid, it acts as a waterproofing agent when exposed to liquid.

Types of Omega-3 − Omega-3 fatty acids come in a variety of forms. Docosahexaenoic acid (DHA), alpha-linolenic acid (ALA), and eicosapentaenoic acid (EPA) are the three most well- known forms of omega-3.

Health benefits − DHA and EPA are two forms of omega-3 fatty acids that have been demonstrated to aid depressed persons. Omega-3 fats' potent anti-inflammatory capabilities are another way they help keep you healthy. The brain and the heart also benefit from these fatty acids.

Sources − Numerous dietary options offer high concentrations of omega-3 fatty acids. While fish like herring, sardines, salmon, and mackerel are the most common dietary supply, walnuts, flax seeds, and hemp seeds are also good sources of these fatty acids.

Deficiency symptoms − Mood issues, including depression, have been linked to an omega-3 deficit. Dry skin, dry eyes, and joint discomfort have all been linked to a deficiency of omega-3 fatty acids.

What is Vitamin D?

Vitamin D is a fat-soluble vitamin, also known as calciferol that the body needs in modest quantities.

Chemical structure and properties − C33H52O7 is the chemical formula for vitamin D. Fats do not destroy vitamin D. This implies that, like other fat-soluble vitamins, it is stored in the liver when there is an abundance.

Types of Vitamin D − D2 and D3 are the two forms of vitamin D that exist. Ergocalciferol is the name for vitamin D2, whereas cholecalciferol is the name for vitamin D3. The benefits of vitamin D3 and D2 cannot be overstated.

Health benefits − Vitamin D is essential for human health. To maintain strong and healthy bones, you need the minerals phosphorus and calcium, but you also need enough vitamin D to absorb and use them. Some research suggests that vitamin D can also strengthen the immune system and protect against viruses like Covid-19 and influenza.

Sources − The production of vitamin D in the human body is aided by exposure to sunshine. Some foods, such as oily fish like salmon, eggs, and liver, also include vitamins in trace amounts. Vitamin D can also be found in fortified foods that have had the vitamin added to them. Milk and cereals with added vitamins and minerals fall under this category.

Deficiency symptoms − Joint and bone pain are among the symptoms that can come from a vitamin D deficiency. Lack of vitamin D has also been linked to muscle discomfort, fatigue, and depression.

Differences between Omega-3 and Vitamin D

The following table highlights the major differences between Omega-3 and Vitamin D −



Vitamin D


Omega-3 is a particular kind of polyunsaturated fatty acid.

Calciferol, more commonly known as vitamin D, is a fat- soluble vitamin.

Molecular formula

The molecular formula of Omega-3 is C60H92O6.

The molecular formula of vitamin D is C33H52O7.


Some of the best sources of omega-3 fatty acids include walnuts, salmon, hemp seeds, and flax seeds.

Natural sources of vitamin D include sun exposure, seafood, egg yolks, liver, and fortified foods.


The anti-inflammatory and mood- boosting properties of omega-3 are just a couple of the numerous advantages of this nutrient.

Vitamin D aids in the absorption of both phosphorus and calcium, which is important for healthy bone development.

Deficiency symptoms

Omega-3 insufficiency manifests itself in dry skin and eyes, aching joints, and sadness.

Lack of vitamin D may manifest itself in a variety of ways, including aches and pains in the muscles and joints, extreme weariness, and even melancholy.


In this article, we explained in detail the various differences between Omega-3 and Vitamin D.

Updated on: 27-Jan-2023


Kickstart Your Career

Get certified by completing the course

Get Started