Omega-3: what exactly does it do for your body?

Omega-3 is one of the most well-known nutrients when it comes to diet and supplementation. Yet many people do not know exactly what omega-3 does in the body and why it is considered important.

In this article, you can read what omega-3 is, how it works, and what role it plays in various processes in the body.

What is omega-3?

Omega-3 is a collective term for essential fatty acids. “Essential” means that the body cannot produce these fatty acids itself and that they must be obtained through food or supplements.

The three most important forms of omega-3 are:

• EPA (eicosapentaenoic acid)
• DHA (docosahexaenoic acid)
• ALA (alpha-linolenic acid)

EPA and DHA are found primarily in oily fish, while ALA is mainly found in plant-based sources such as flaxseed and walnuts.

Why is omega-3 important?

Omega-3 fatty acids are involved in various processes in the body. They play a role in the structure of cells and are associated with diverse bodily functions.

An important characteristic of omega-3 is that it forms part of cell membranes. This means it influences how cells function and communicate.

What role does omega-3 play in the body?

Omega-3 has a broad range of involvement and is associated with multiple systems in the body.

The heart

EPA and DHA are structural components of heart cell membranes and are widely studied in relation to cardiovascular processes.

Research into the relationship between omega-3 intake and circulatory processes is ongoing.

The brain

DHA is an important structural component of the brain. It plays a role in the functioning of brain cells and is widely studied in relation to cognitive processes such as concentration and memory.

Adequate DHA intake is considered relevant for brain composition and is a subject of active scientific research.

The eyes

DHA is also found in the retina of the eye and is studied for its role in visual function.

This makes omega-3 a relevant subject of research for people interested in eye health.

Role in inflammatory processes

Omega-3 fatty acids are involved in various processes in the body, including those related to inflammation.

A good balance between omega-3 and omega-6 fatty acids is considered relevant. In many modern dietary patterns, the ratio between these fatty acids is out of balance, which may influence various bodily processes.

Joints and mobility

Due to its involvement in various bodily processes, omega-3 is often used by people who are interested in supporting their joints.

It is associated with:

• maintaining supple joints
• supporting daily movement

The skin

Omega-3 fatty acids also play a role in the structure of the skin and are studied in relation to the skin barrier.

Are you getting enough omega-3?

Many people do not get sufficient omega-3 through their diet. This is because:

• little oily fish is consumed
• the diet contains relatively high amounts of omega-6
• plant-based sources are converted less efficiently into EPA and DHA

For this reason, it can be worthwhile to pay extra attention to omega-3 intake.

Omega-3 as a supplement

For people who do not get sufficient omega-3 from food, a supplement can be a practical solution.

When choosing an omega-3 supplement, it is important to pay attention to:

• the amount of EPA and DHA
• the quality and purity
• the origin of the oil

A good supplement can help contribute to meeting daily intake levels.

When to use omega-3?

Omega-3 can be used daily as part of a balanced lifestyle. Consistent use is important to build up adequate intake over time.

It is often taken with a meal for optimal absorption.

Omega-3 in combination with other nutrients

Omega-3 is regularly combined with other nutrients, such as:

• vitamin D
• magnesium
• antioxidants

This combination is used by people looking for a broader nutritional approach.

Conclusion

Omega-3 fatty acids are essential nutrients that are involved in various processes in the body. They are associated with the heart, the brain, the eyes, and overall balance in the body — and are the subject of extensive scientific research.

Because many people do not get sufficient omega-3 through their diet, a supplement can be a valuable addition to a balanced lifestyle.