The Story of Omega-3: From Discovery to Daily Life

What Are Omega-3 Fatty Acids and Who Discovered Their Importance?

Omega-3 fatty acids are essential fats that our bodies cannot produce on their own. They play a critical role in overall health, particularly for the brain, heart, and eyes. The groundbreaking discovery of their benefits can be traced to Danish scientists Dr. Hans Olaf Bang and Dr. Jørn Dyerberg in the 1970s. They studied the Inuit populations of Greenland and found a strikingly low incidence of heart disease, attributing this to their diet rich in omega-3 fatty acids from fish and marine mammals.

 

Where Does Omega-3 Come From Naturally?

Omega-3 fatty acids occur in both marine and plant sources:

  • Marine Sources: Fatty fish like salmon, mackerel, sardines, and anchovies are rich in two critical omega-3s—EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid).
  • Plant Sources: Flaxseeds, chia seeds, walnuts, and hemp seeds are excellent sources of ALA (alpha-linolenic acid), which the body can partially convert into EPA and DHA.

How Do We Consume Omega-3?

We consume omega-3s through both diet and supplements. Eating fatty fish two to three times per week provides a substantial amount of EPA and DHA. Vegetarians and vegans often turn to ALA-rich foods or algae-based supplements to meet their omega-3 needs.


Key Research on Omega-3 Fatty Acids

Scientific research has firmly established the benefits of omega-3s. Here are three pivotal studies:

  1. “The Inuit Diet and Heart Health” by Bang and Dyerberg (1971): This study linked the Inuit diet rich in omega-3s to lower rates of cardiovascular disease.
  2. “Omega-3 and Cognitive Decline” by Dr. Martha Clare Morris (2003): This research found that higher intake of DHA was associated with reduced risk of Alzheimer’s disease.
  3. “Omega-3 Supplementation and Eye Health” by Dr. Emily Chew (2013): Published in the AREDS2 study, this work demonstrated the role of DHA and EPA in preventing age-related macular degeneration (AMD).

Famous Scientists Behind the Research

  • Dr. Hans Olaf Bang: Danish physician, pioneer of omega-3 research.
  • Dr. Jørn Dyerberg: Danish biochemist, co-discoverer of omega-3’s heart benefits.
  • Dr. Martha Clare Morris: Epidemiologist, innovator in nutritional cognitive studies.

How Much Omega-3 Do We Need Daily?

Health authorities recommend consuming 250-500 mg of EPA and DHA daily for optimal health. Here’s what that looks like in practical terms:

  • Salmon: One 3-ounce serving provides approximately 1,800 mg.
  • Chia Seeds: One tablespoon contains about 2,500 mg of ALA. However, the body converts only a small percentage of ALA into EPA and DHA—typically less than 10%. This means that 2,500 mg of ALA from chia seeds is equivalent to about 250 mg of EPA and DHA for most individuals.
  • Walnuts: A handful (1 ounce) contains roughly 2,500 mg of ALA.
  • Sardines: One 3-ounce serving delivers around 1,200 mg of EPA and DHA.

 

NeuroBright contains High quality Omega-3 from sustainable sources.

Omega-3 Supplements: Fish-Based and Algae-Based

Omega-3 supplements provide a convenient way to meet daily requirements, especially for those who don’t eat fish.

  • Fish-Based Supplements: Fish oils are typically extracted from fatty fish such as anchovies, sardines, and mackerel. The oil is refined through molecular distillation to remove impurities, including heavy metals like mercury. After purification, the oil is often concentrated to enhance the levels of EPA and DHA.

  • Algae-Based Supplements: Algae-based omega-3 is produced by growing microalgae in controlled environments, such as fermentation tanks. This ensures purity and eliminates exposure to environmental contaminants. The algae are then harvested, and the oil is extracted using a gentle process to retain high levels of DHA, which algae primarily produce. EPA is often added during processing or derived from specific strains of algae. Algae-based supplements are particularly valued for their sustainability and vegan-friendly properties.


Sustainability in Omega-3 Production

As the demand for fish oil supplements grows, sustainability is a critical concern. Responsible practices include:

  • Sourcing fish oil from certified sustainable fisheries.
  • Using byproducts of fish processing to reduce waste.
  • Developing algae-based omega-3s to lessen reliance on marine ecosystems.

Omega-3 Products on the Market

When choosing omega-3 products, it’s essential to consider several factors to ensure you’re getting a high-quality and effective supplement:

  • Sustainability: Many fish-based omega-3 products are not sustainably sourced. Look for certifications such as the Marine Stewardship Council (MSC) or Friend of the Sea to ensure the product is derived from sustainable fisheries or environmentally responsible practices.

  • EPA and DHA Content: Some products on the market contain low levels of DHA, EPA, or both per serving. For a product to support heart, brain, and vision health effectively, it must provide adequate amounts—typically 250-500 mg of combined EPA and DHA per serving.

  • Purity and Testing: High-quality omega-3 supplements are rigorously tested for heavy metals (like mercury), PCBs, and other environmental contaminants. Independent third-party testing ensures the product is safe and pure.

By prioritizing these factors, you can make informed decisions and choose omega-3 supplements that genuinely support your health.


How Much Omega-3 Do We Need for Optimal Health?

To support brain, heart, and eye health, experts recommend:

  • Brain Health: At least 250 mg of DHA daily to support cognitive function.
  • Heart Health: 500 mg of combined EPA and DHA to reduce cardiovascular risks.
  • Eye Health: 250 mg of DHA to maintain healthy retinal function.

 

By consuming Omega-3 through a balanced diet or taking high-quality supplements, the multitude of research suggests that you can reduce the probability of memory loss, cognitive decline, dementia, and Alzheimer’s disease while supporting overall brain function.

 

NeuroBright’s Omega-3 softgels

Each box of NeuroBright contains 28 Omega-3 Softgels

  • Sustainably sourced – ‘Friend of the Sea’ certified
  • Contain 250mg DHA and 500mg EPA – and can therefore claim to support Brain, Heart and Vision
  • Are rigorously tested for heavy metals and other contaminants 

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