Fish Oil Alternative for Vegetarian: The Best Source for a Plant-Based Diet!
Omega-3 fatty acids have many benefits but are often made with fish. Check out our guide to find a fish oil alternative for vegetarians & vegans.

Fish oil is an abundant source of a nutrient that every human needs: omega-3 fatty acids. Omega-3 fatty acids are healthy types of fat that humans need for physical energy, to insulate the organs, and to support normal cognition.
However, as the name suggests, fish oil comes from fish. And if you’re a vegan or simply can’t eat fish or fish byproducts for other reasons, getting your daily recommended intake of omega-3 fatty acids can be a real challenge.
The good news is that there is a fish oil alternative for vegans. In the following article, we will be talking about how you can get your omega-3 fatty acids if you are a vegan, why getting a healthy amount of this nutrient is important, and how to choose the right fish oil vegetarian substitute.
Key Takeaways
- Fish oil is an abundant source of omega-3 fatty acids that help support healthy brain function and protect the joints
- Eicosapentaenoic acid (EPA) is one of the fatty acids in fish oil that can also improve heart health and eye health
- One good fish oil substitute for vegans is walnuts which offers a good serving of alpha linoleic acid (ALA)
- Another good alternative for vegans is a supplement that contains omega-3 fatty acids not derived from fish
The Benefits of Fish Oil
Before we start answering the question, ‘is there a vegan substitute for fish oil?’ we should first understand why this nutrient is beneficial in the first place. As we have already pointed out, fish oil alternative for vegans is a ready source of omega 3 fatty acids.
The most important types of omega-3 fatty acids are Eicosapentaenoic acid (EPA), alpha linoleic acid (ALA), and docosahexaenoic acid (DHA). All of these specific types of omega-3 fatty acids have very specific roles in the human body.
For example, DHA is a fatty acid that makes up much of the structure of the brain itself. It has also been proven to be important for lowering triglyceride levels, which means it can help promote good cardiovascular function. This is why fish oil benefits for vegans are so important.
Chris Smith, Vegetology's Formulation Scientist, was Quoted in Vegetology
The grey matter in our brain is about 40% DHA. As well as brain health, DHA is also important for eye care and general health. EPA is more about reducing inflammation, so it's very important for reducing the chances of heart disease. DHA and EPA work independently in many ways and together in others. There are links to benefits across almost every ailment you can think of, including ADHD, asthma, improving mood, and alleviating symptoms of depression. Omega-3s should definitely be classed as vitamins!
Then there is alpha linoleic acid (ALA) which is also very important for maintaining good improving your heart health. The Mount Sinai staff put together a comprehensive report on the heart-friendly effects of ALA and stated that:
“One population study found that eating a diet rich in alpha-linolenic acid reduced the risk of high blood pressure by about 30%.”
They even found that ALA can benefit people with asthma as well. It’s also important to note that the human body cannot produce omega-3 fatty acids like ALA, EPA and DHA on its own. That’s why it’s so important to make sure you are using a fish oil that helps lower your cholesterol, an alternative for vegans. Let’s take a look at a few more reasons why you should be making sure you are getting enough omega-3 fatty acids:
- Helps Manage Arthritis - Omega-3 fatty acids have been shown to benefit joint health by reducing inflammation. Effective joint supplements for arthritis inflammation can cause chronic joint issues and compromise the structural integrity of your joints. Adequate omega-3 fatty acid intake can help maintain your mobility and help you avoid aching, painful joints.
- Reduced Risk of Cognitive Decline - The National Institutes of Health conducted a study on the effects of omega-3 fatty acids on the brain. They discovered that adequate omega-3 fatty acid support for mental health correlated with improved learning ability, increased blood flow to the brain, sharper memory, and an overall decreased risk of developing serious cognitive impairments like Alzheimer’s and dementia.
- Eye Health - These types of polyunsaturated fats are also crucial to eye health. It has been discovered that omega-3 fatty acids support the structural integrity of the eyes and may work to reduce your risk of developing issues like age-related macular degeneration.
Fish Oil Alternative For Vegetarian and Vegan Diets
Now that you have a good idea of why the omega-3 fatty acids that you typically get from fish oil are so important to human health, you may be thinking about a vegan fish oil replacement. So let’s take a look at some vegan sources of omega-3 and 6:
- Algal Oil - Algal oil is derived from algae and it is one of the only vegan options for getting your daily recommended intake of omega 3 fatty acids like EPA and DHA.
- Walnuts - Walnuts offer an easy way to get a vegan source of ALA because they can be eaten conveniently and quickly as a snack, or you can add them to your desserts, salads, and dinner recipes.
- Greens - Green, leafy vegetables like kale, brussels sprouts, and spinach are vegan alternatives to fish oil because they contain ALA.
- Flaxseed - Flax Seeds are a fish oil alternative for vegans, contain ALA, and can help lower your overall cholesterol. They are also good sources of plant-based protein and fiber, which may help improve your digestive function.
- Chia Seeds - Chia seeds are another good source of ALA, a fish oil alternative for vegans, and can be added to your yogurt or smoothies to give you an instant omega-3 fatty acid boost.
Best Plant-Based Sources of Omega-3 Fatty Acids
Some of the best plant-based supplements alternatives to fish oil include green leafy vegetables that you can easily add to your salad or as a side to your meals. Canola oil is also a vegetarian replacement for fish oil as it contains a good amount of ALA, and you can use it for your cooking.
On the Mums At The Table YouTube channel, Amanda, a Registered Dietitian and Nutritionist, explains the benefits of fish oil and the importance of getting enough omega-3 and omega-6 fatty acids in your diet.
Vegetarian Omega 3 Supplements
In addition to the natural foods that you can replace fish oil with to get your omega-3 fatty acids, supplements are a good alternative. They are a good fish oil alternative for vegans as they can help make it much easier to know exactly how much omega-3 you are getting every day and there is no cooking or prep work involved.
If you are looking for supplements as a vegan replacement for fish oil, make sure that the product does not contain any gelatin and that it was not produced on machinery that also processes shellfish, dairy, and other non-vegan substances.
How to Choose the Right Fish Oil Alternative
The right vegan fish oil alternative for vegans will depend largely on your specific health needs and wellness goals. It would be best to speak with your healthcare practitioner to help sort out your options as a vegan, based on your specific medical history and dietary needs.
For example, you may need more than the daily recommended intake of omega-3 fatty acids so your physician might actually prescribe a specific supplement or medication.
Conclusion
Being a vegan comes with a variety of challenges, but getting a good supply of omega-3 fatty acids doesn’t have to be one of them. Not when there are so many viable omega-3 fish oil substitute options available.
It’s all about finding options that work for you and that you can stick with, whether they be vegetables, nuts, seeds, or a good omega-3 supplement. But if you apply what you learned in this article, you are sure to find a vegan omega-3 source to help maintain your good health.
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References
- Health benefits of docosahexaenoic acid (DHA): https://pubmed.ncbi.nlm.nih.gov/10479465/
- Alpha-linolenic acid: https://www.mountsinai.org/health-library/supplement/alpha-linolenic-acid
- Effects of Omega-3 Polyunsaturated Fatty Acids on Brain Functions: A Systematic Review: https://pmc.ncbi.nlm.nih.gov/articles/PMC9641984/
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