Self-Care By Tahira is a user-supported platform. Meaning we may make a commission at no extra cost to you when you use our links to make a purchase. Learn more on our Affiliate disclosure page.
Omega 3, 6 and 9 are all fatty acids. However, they do not work exactly the same way. They also differ in whether we need to get them from food.
These fats belong to one of our three major macronutrients: dietary fat. Fat provides energy, supports cell structure and helps us absorb vitamins A, D, E and K.
So, which omega fatty acids are essential? What foods provide them? And do we really need to worry about balancing omega 3 and omega 6?
Understanding the differences between omega 3, 6 and 9 can make choosing dietary fats much simpler.
What Are Omega 3, 6 and 9?
Omega 3, omega 6 and omega 9 are types of unsaturated fatty acids. The numbers describe differences in their chemical structures. Those differences influence how the body uses them.
Omega 3 and omega 6 are families of polyunsaturated fats. Omega 9 fatty acids are generally monounsaturated fats.
Most importantly, not every omega fatty acid is essential. Some must come from food. Others can be made by the body.
How Do Omega Fatty Acids Fit Into Our Macronutrients?
Protein, carbohydrates and fat are the three major macronutrients. Omega fatty acids belong within the fat category.
Dietary fat is essential. However, that does not mean every individual fatty acid is essential.
According to the National Institutes of Health Office of Dietary Supplements, two fatty acids are considered essential. They are alpha linolenic acid, or ALA, and linoleic acid. Our bodies cannot make them, so we need to obtain them through food.
Which Omega Fatty Acids Are Essential?
ALA is an essential omega 3 fatty acid. Linoleic acid is an essential omega 6 fatty acid. Both have to come from the diet.
EPA and DHA are also important omega 3 fatty acids. The body can make them from ALA, but conversion is limited. The NIH reports conversion rates of less than 15 percent. Therefore, direct sources of EPA and DHA can also matter.
Omega 9 is different. It is not considered essential because the body can produce it.
What Is Omega 3?
Omega 3 is a family of fatty acids rather than one nutrient. The three forms discussed most often are ALA, EPA and DHA.
ALA
ALA is the essential form of omega 3. Food sources include flaxseeds, chia seeds, walnuts and certain plant oils.
The body can convert ALA into EPA and then DHA. However, only a limited amount is converted. For that reason, ALA and direct sources of EPA and DHA are not nutritionally identical.
EPA and DHA
EPA and DHA are long chain omega 3 fatty acids. DHA is an important structural component of cell membranes. It is especially concentrated in the brain and retina.
According to the NIH Office of Dietary Supplements, omega 3 fatty acids also participate in cardiovascular, immune and endocrine functions.
Fish and seafood are common sources of EPA and DHA. Interestingly, the story begins lower in the marine food chain. Microalgae make EPA and DHA. Fish then accumulate these fatty acids by consuming organisms that contain them.
Can You Get Omega 3 Without Eating Fish?
Yes. Plant foods such as flaxseeds, chia seeds and walnuts provide ALA.
People who want direct DHA or EPA without fish can also consider algal oil. The NIH notes that algal oil supplements commonly provide DHA. Some also provide EPA.
However, not every type of algae provides the same fats. Spirulina, chlorella, kelp and nori should not automatically be treated like an algal oil formulated to provide measurable DHA or EPA.
If you use a supplement, check the label. Look for the specific omega 3 fatty acids and the amount of each.
What Is Omega 6?
Omega 6 is another family of polyunsaturated fats. Linoleic acid is the essential omega 6 fatty acid.
Food sources include nuts, seeds, soybean oil, corn oil, sunflower oil and safflower oil. Omega 6 fatty acids support normal physiological functions and can be part of a nutritious diet.
Does Omega 6 Cause Inflammation?
You may have heard that omega 3 is good because it is anti inflammatory, while omega 6 is bad because it is inflammatory. The biology is more complicated.
Omega 6 fatty acids participate in pathways that create signaling molecules. However, eating foods rich in omega 6 does not automatically cause chronic inflammation.
The American Heart Association explains that describing omega 6 fats as inherently inflammatory is misleading. It continues to support polyunsaturated fats as part of a healthy dietary pattern.
In other words, the overall diet matters more than labeling one family of fats as good and another as bad.
Do You Need a Specific Omega 3 to Omega 6 Ratio?
Some recommendations suggest that everyone needs a particular omega 6 to omega 3 ratio. However, an ideal ratio for human health has not been established.
The NIH summarizes that the optimal ratio, if there is one, has not been defined. Increasing EPA and DHA status may be more meaningful than simply lowering linoleic acid or arachidonic acid.
So, instead of obsessing over a ratio, ask a more practical question. Does your overall diet regularly provide nutritious sources of omega 3?
What Is Omega 9?
Omega 9 fatty acids are generally monounsaturated fats. Oleic acid is one of the best known examples.
Olive oil, avocados, almonds and peanuts are rich sources. Unlike ALA and linoleic acid, omega 9 is not essential because the body can make it.
Still, that does not make omega 9 unimportant. Foods rich in monounsaturated fats can be valuable parts of a nutritious eating pattern.
Omega 3, 6 and 9 Food Sources
- ALA omega 3: flaxseeds, chia seeds, walnuts and certain plant oils.
- EPA and DHA omega 3: fatty fish, seafood and appropriately formulated algal oils.
- Omega 6: nuts, seeds and many liquid plant oils.
- Omega 9: olive oil, avocados, almonds, peanuts and other nuts.
A nutritious diet can naturally contain all three. Therefore, you do not need to choose one family over another. Variety and overall dietary quality matter more.
What About Saturated Fat?
Dietary fat is bigger than omega 3, 6 and 9. What one type of fat replaces in the diet also matters.
The American Heart Association recommends choosing foods with monounsaturated and polyunsaturated fats in place of foods higher in saturated and trans fats.
Unsaturated fats are found in nuts, seeds, avocados, fish and many liquid plant oils. Saturated fats are found in larger amounts in foods such as butter, fatty meats, full fat dairy, coconut oil and palm oil.
Again, nutrition makes more sense as an overall pattern than as a list of good and bad foods.
Do You Need an Omega 3 Supplement?
Not everyone needs an omega 3 supplement. Food can provide omega 3 fatty acids. Individual needs also depend on diet, health, age and other factors.
If you choose a supplement, look beyond the words omega 3 or fish oil. Check the label for the actual amounts of EPA and DHA. For a vegetarian option, look for algal oil that identifies its DHA and, when applicable, EPA content.
Supplements can also interact with medications. Certain doses may not be appropriate for everyone. Therefore, individual medical guidance matters.
What Matters Most When Choosing Dietary Fats?
Omega 3, 6 and 9 can all fit into a nourishing eating pattern. Instead of chasing a perfect fatty acid ratio, focus on the bigger picture.
Eat a variety of minimally processed foods. Include nuts and seeds. Choose useful sources of unsaturated fats. Make room for ALA. Also consider where EPA and DHA fit into your eating pattern.
This is where Nutritional Fitness becomes more useful than memorizing which fat is supposed to be good or bad. It helps us look at individual nutrients within the larger pattern of how we nourish ourselves.
The goal is not nutritional perfection. It is understanding what your body needs well enough to make informed choices.
Daily Planner: How To Get Organized & Achieve Harmony
Looking for a way to stay organized, inspired, and motivated while taking care of your mental and physical health? Look no further than this daily planner with built-in holistic self-care prompts.
- Inspiring Graphics Hardcover Cover or Paperback.
- To-do List With Time & Date Prompts.
- Compact, 6×9.
- 184 pages, plus front and back makes 368 pages.
- Keep track of your goals, tasks, appointments, and more.
- Built-in holistic self-care prioritizer for Nutritional, Physical, Mental, Emotional & Spiritual Fitness.
Like This?
Share it
