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For Expert nutritional advice Contact Alan Gordon MSc. Clinical Nutrition
For Expert nutritional advice Contact Alan Gordon MSc. Clinical Nutrition
A split image showing a salmon fillet and fish oil capsules on the left, and a petri dish with algae and algal oil capsules on the right, representing the two sources of omega-3.

Fish Oil vs Algal Oil: Which to Choose?

Getting enough omega-3 is important. But with different options available, which one is right for you? The two most popular sources are fish oil and algal oil. Both provide the essential fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), but they have some key differences.

Why do we need omega-3?

Omega-3 fatty acids are essential for our health. The that they can help keep your heart healthy. The , stating that EPA and DHA contribute to reducing the risk of heart disease, improving circulation, and maintaining a healthy heart rhythm. They are also vital for brain function and development.

The Fish Oil File

Fish oil has been the go-to omega-3 supplement for decades. It is derived from the tissues of oily fish like salmon, mackerel, and sardines. Products like our provide a balanced blend of fatty acids.
Pros:
Rich in EPA and DHA: Fish oil is a direct and potent source of both of these important omega-3s.
Well-researched: There is a large body of scientific evidence supporting the health benefits of fish oil.
Cons:
Sustainability: Overfishing is a serious environmental concern. Many UK fish stocks are still being , which puts marine ecosystems at risk.
Contaminants: Oily fish can accumulate toxins like mercury, PCBs, and dioxins from the ocean. While reputable brands purify their oils, the risk of contamination is a valid concern for some.
Taste: The infamous “fishy burps” and aftertaste are a common and unpleasant side effect for many people.
Not for everyone: Fish oil is not suitable for vegans or vegetarians.

The Algal Oil Advantage

Algal oil is a newer, plant-based source of omega-3. It is derived from marine algae, which is what fish eat to get their omega-3s in the first place. This makes algal oil a direct, primary source of these essential fats.
Pros:
Sustainable: Algae can be grown in controlled environments, which avoids the problem of overfishing and has a than fish oil production.
Pure: Because it is grown in a controlled setting, algal oil is free from ocean-borne contaminants like heavy metals and PCBs.
No fishy taste: Algal oil has a neutral taste, so you can say goodbye to fishy aftertaste and burps.
Vegan and vegetarian: It is a 100% plant-based source of EPA and DHA, making it suitable for everyone.
Cons:
Cost: Algal oil can sometimes be more expensive than fish oil, although prices are becoming more competitive.
EPA levels: Historically, some algal oils contained only DHA. However, many modern supplements now provide both EPA and DHA.

Is Algal Oil as Effective as Fish Oil?

Yes. Studies have shown that algal oil is just as effective as fish oil at increasing the levels of omega-3 in our bodies. Research confirms that the bioavailability of omega-3 from algal oil is . This means your body can absorb and use the EPA and DHA from algae just as well as it can from fish.

Which Should You Choose?

The best omega-3 source for you depends on your personal priorities and dietary needs.
Choose fish oil if: You are not vegan or vegetarian, you are looking for a cost-effective option, and you are not concerned about the potential for a fishy aftertaste or the environmental impact of fishing. Our is a sustainably sourced option that is easy to digest.
Choose algal oil if: You are vegan, vegetarian, or simply prefer a plant-based option. If you are concerned about sustainability, purity, and want to avoid any fishy aftertaste, algal oil is the clear winner.
Both fish oil and algal oil can help you meet your omega-3 needs. By understanding the pros and cons of each, you can make an informed choice that aligns with your health goals and values. Explore our full range of to find the perfect fit for you.
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