A Nutrient Your Body Needs—but Can’t Make

Omega-3 fatty acids are essential fats that play an important role in overall health. Because the body cannot produce enough of these fats on its own, they must be obtained through food or dietary supplements.

Omega-3s are involved in the structure of every cell in the body and help support the normal function of the heart, brain, eyes, joints, skin, and immune system. They have become one of the most widely studied nutrients and are a popular choice for people looking to support long-term wellness.

While many people consume adequate calories, they often fall short in omega-3 intake due to limited consumption of fatty fish and other omega-3-rich foods.

What Are Omega-3 Fatty Acids?

Omega-3 fatty acids are a family of healthy polyunsaturated fats that are essential for many functions throughout the body. There are three primary types of omega-3s, each with its own unique role.

Alpha-Linolenic Acid (ALA)

ALA is the plant-based form of omega-3 and is found mainly in foods such as:

• Flaxseeds
• Chia seeds
• Walnuts
• Hemp seeds
• Soybeans

Although ALA provides nutritional benefits, the body converts only a small percentage into the more biologically active forms, EPA and DHA.

Eicosapentaenoic Acid (EPA)

EPA is found primarily in cold-water fatty fish and marine oils. It helps support a healthy inflammatory response and promotes overall cardiovascular wellness.

Docosahexaenoic Acid (DHA)

DHA is a major structural fat found in the brain and retina. It plays an important role in supporting healthy brain function, cognitive performance, and vision throughout every stage of life.

Best Food Sources of Omega-3s

Including omega-3-rich foods in your diet is one of the best ways to support healthy intake.

Fatty Fish

The richest natural sources of EPA and DHA include:

• Wild salmon
• Sardines
• Anchovies
• Herring
• Mackerel
• Trout

Plant-Based Sources

These foods provide ALA, the plant form of omega-3:

• Flaxseed
• Chia seeds
• Hemp seeds
• Walnuts

Other Sources

Additional options include:

• Fish oil
• Krill oil
• Algae oil
• Omega-3 enriched eggs

Eating fatty fish two to three times per week is a simple way to increase omega-3 intake. For individuals who rarely eat fish, an omega-3 supplement may help fill nutritional gaps.

Health Benefits of Omega-3 Fatty Acids

Omega-3 fatty acids support many important systems throughout the body. Here are some of their most recognized benefits.

Supports Heart Health

Omega-3 fatty acids help support normal cardiovascular function as part of a healthy lifestyle. They are commonly used to help maintain healthy triglyceride levels that are already within the normal range and support healthy circulation.

Supports a Healthy Inflammatory Response

Inflammation is a normal response to exercise, injury, and everyday physical stress. Omega-3 fatty acids help support a balanced inflammatory response and are often included in wellness routines focused on overall health.

Supports Brain Function

DHA is one of the primary structural fats found in the brain. Together, EPA and DHA help support:

• Memory
• Focus
• Cognitive function
• Healthy brain aging

Supports Emotional Wellness

Healthy fats play an important role in normal nervous system function. Omega-3s help support healthy neurotransmitter activity and overall emotional well-being as part of a balanced lifestyle.

Supports Eye Health

DHA is highly concentrated in the retina, making it an essential nutrient for maintaining healthy vision and normal eye function throughout life.

Supports Healthy Pregnancy and Early Development

DHA is especially important during pregnancy and breastfeeding because it supports normal fetal and infant brain and eye development.

Pregnant or nursing women should always consult their healthcare provider before taking any dietary supplement.

Supports Joint Comfort and Mobility

Omega-3 fatty acids help support joint comfort, flexibility, and mobility by promoting a healthy inflammatory response.

Supports Healthy Skin

Omega-3s help maintain the skin’s natural moisture barrier and support healthy-looking skin from the inside out.

Supports an Active Lifestyle

Many athletes and physically active individuals include omega-3s in their nutrition plan to support muscle function, recovery, and overall performance when combined with regular exercise and proper nutrition.

Supports Healthy Aging

Omega-3 fatty acids help support healthy aging by contributing to the normal function of multiple body systems, including the heart, brain, eyes, joints, and immune system.

Should You Consider an Omega-3 Supplement?

While eating omega-3-rich foods is the ideal way to meet your nutritional needs, many people do not consume enough fatty fish on a regular basis. In these cases, a high-quality omega-3 supplement may help bridge the gap and support overall wellness.

When choosing an omega-3 supplement, look for products that provide EPA and DHA from trusted sources and have been tested for purity and quality.

Final Thoughts

Omega-3 fatty acids are among the most important nutrients for supporting overall health. From heart and brain function to joint comfort, skin health, eye health, and healthy aging, these essential fats play a role in nearly every system of the body.

Whether you obtain them through fatty fish, plant-based foods, or a high-quality supplement, ensuring adequate omega-3 intake is a simple step toward supporting long-term wellness and maintaining a healthy lifestyle.