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Is flax truly healthy? While it’s great for egg-free baking, frequent consumption warrants a closer look if you’re focused on your health.
Learn about flax’s effect on hormone levels and if it’s an efficient form of fatty acids. Learn, too, if flax actually helps to reduce inflammation.
Lastly, find anti-inflammatory alternatives to flax seeds as I share better options.
Is flax an efficient form of fatty acids
Many turn to flax oil as a source of fatty acids, in the hopes of reducing inflammation and for overall health, including brain and heart health.
Omega 3s in flax
Yes, flax seeds contain a noteworthy amount of omega 3 fatty acids. But the better question is: Can our bodies use it?
While the body can convert plant-based ALA into EPA and DHA, the process is highly inefficient, with less than 5% converting to EPA and under 0.5% to DHA.
The human body can’t produce EPA and DHA on its own, and converted flax certainly doesn’t provide enough of these essential fatty acids.
Best source of omega 3s — better alternatives to flax
Fish provide various fatty acids. The most beneficial are the long-chain omega-3s EPA and DHA, which are primarily found in seafood and marine algae.
Because most fish is now contaminated, the best source of omega-3s is actually grass-finished beef (not just “grass-fed”): Grass-finished beef contains omega-3s because cows convert ALA from their grass-based diet into EPA and DHA. These long-chain omega-3s are then stored in the meat’s muscle and fat.
Look for a local farmer that raises beef (or bison) on grass alone, and does not finish their beef on a feed lot. Or, enjoy wild ruminant animals, if you or someone you know hunts big game, such as deer, moose, elk etc.
Omega 6s in flax
Flax seeds are not just high in omega-3s; they’re also high in omega-6s — or PUFAs (polyunsaturated fatty acids).
Ironically, because flax is supposed to be anti-inflammatory, the omega-6 polyunsaturated fats in flax are unstable, promote inflammation and cause cellular oxidation — leading to stress, aging and cell death.
Does flax cause changes in hormone levels
Flax contains lignans, plant compounds with estrogen-like effects that may raise estrogen levels and thin the blood. In people with already high estrogen, regular flax intake can lead to symptoms like fibrocystic breasts, mood changes and irregular bleeding.
Some women experience heavier periods after regularly eating flax-based products, often without realizing the link. Those with lower estrogen levels may not notice any effects.
Seed cycling uses flax during the first half of the cycle to support estrogen, highlighting how constant intake can disrupt hormonal balance.
Today, we’re exposed to numerous sources of both xenoestrogens and phytoestrogens, so avoiding additional intake seems wise for most.
Does flax actually reduce inflammation
All omega-3s have anti-inflammatory properties, but flax seeds provide only a small amount of usable omega-3s.
Promoting flax as a major anti-inflammatory source is misleading.
Its soluble fiber may offer some mild anti-inflammatory benefits, but these likely do not offset the omega-6s enough to make flax beneficial.
How is flax grown
In 2021, about 268,000 acres of flax were grown in the U.S., mainly in the Northern Plains for seed. Though sometimes treated with herbicides, flax can be grown without them. Genetically modified flax has been introduced but is often pulled from the market due to consumer resistance.
Flax is typically grown with minimal fertilizer compared to other crops, needing only moderate amounts of nitrogen, phosphorus and potassium, especially in nutrient-poor soils.
If you do buy flax: Our purchases shape supply, so choosing organic flax over conventionally grown supports farming without synthetic fertilizers and pesticides. As flax demand rises, buying organic signals to farmers that safer, sustainable methods are worth investing in.
Is flax truly healthy: Anti-nutrients
As with all seeds and nuts, it’s easy to perceive flax seeds as healthy without remembering that they contain anti-nutrients, which can rob our bodies of minerals.
Flax in baking
Years ago, I loved the fact that flax made baked goods moist — imparting a perfect texture to muffins, cakes and cookies.
In more recent years, I also appreciated that flax makes a great substitute for eggs in egg-free baking.
Baking alternative to flax
Without flax, I’ve learned to use both gelatin and psyllium husk for most of my egg-free baking needs. You can find lots of those recipes here on the blog.
Is flax actually healthy: Conclusion
I very occasionally use flax seed meal in grain-free or egg-free baking for my family.
I view it as a food that’s dangerous for some and pretty benign for others, as long as it’s not overused.
Since I tend toward estrogen dominance, I typically avoid it personally.
I do not consider flax to be anti-inflammatory or a healthy super food. Quite likely, it’s pro-inflammatory when eaten regularly.
Better sources of fiber and omega-3s are easy to find.
Pin Is Flax Truly Healthy here:
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Vanessa Nixon Klein says
Thanks for the information. It’s important to understand the complexities of the foods we eat and why the foods we choose to include in our diets need to be individualized to our own unique needs. Great article!
Megan Stevens says
Thanks, Vanessa. I agree; well said.
Dr. Karen Lee says
I don’t like how they taste so I don’t like using them. But I do add about 1 tbsp to my morning smoothies. But that’s about it. It’s funny how my taste buds tell me what’s good or bad for my body. I trust my taste buds.
Megan Stevens says
Thanks, Karen! That one tablespoon can really make a difference for someone who’s estrogenic. I would say that’s too much for most people. And although I want to love your logic, if I trusted my taste buds, I would still be eating ice cream, lots of nuts, granola, cake and dairy everyday. So I think most people need more than their taste buds to guide them to the best foods for their bodies.
Chloe says
Great article. Back when I was eating grains, I loved putting flax seed in my oatmeal. I haven’t had it in awhile, but this is all good to know for the future.
Megan Stevens says
Nice!
Jenny says
Excellent info! I love baking with flax, too. I always buy “sprouted” flax meal, because the I believe it reduces the phytate levels. I never thought of timing with my cycle. I’m usually low on estrogen, so I probably need it in the first half of my cycle even more. Thanks!
Megan Stevens says
Glad you found what was helpful.
Elaina Newton says
Wow! Great information. I had no idea about its effect on hormones and the body’s actual absorption of omega-3’s in flax. I keep a bag of whole flaxseeds in my fridge that I add to baked goods occasionally, but that’s about it. 🙂
Megan Stevens says
It’s amazing how powerful some foods are! Yes, one bag lasts me a long time too!
Carol @studiobotanica says
Great article! Definitely agree that we need to support organic agriculture and here’s another example of that.
I use flax in moderation and don’t buy commercial cereal. It is a good
fibre source but as you mention in the article, fish and good beef are better sources
of long chain EPA/DHA and convertible EFAs
Moderation best ~ agreed!
Felicia Maria Mattox says
I have been a long time subscriber and find your articles interesting, this one I must disagree with. I encourage you to look into Dr. Brooke Goldner (youtube among other platforms) and search her name and flax seeds. She teaches people how to heal themselves of many chronic “incurable” diseases using high doses of flaxseeds or chia seeds. I also have estrogen dominance and they have only helped to ease any symptoms I have. That is eating around 1/2 cup daily. I think you would find her work truly useful and helpful. Best wishes!
Megan says
Thank you for sharing, Felicia! I am familiar with Dr. Goldner’s work and am so glad it’s working for you. There is actually one woman in our liver detox network who also takes between 1/4 and 1/2 cup flax daily and feels better on it. My concern is that like other dietary approaches that seem to work in the short run (like the Keto diet), it is shoving problems into the liver that will need to be addressed eventually (increased estrogen leads to cholestasis: when bile flow is disrupted, causing toxic bile to accumulate in the liver). I hope I’m wrong and that it’s helpful for you long term. I do like the fiber in flax. Otherwise, and for my other readers, I don’t think Dr. Goldner’s science is sound. She doesn’t have studies or any long term clinical cases to prove her hypothesis, and it’s a dangerous assertion she’s making based on short term relief of symptoms. Many approaches provide short term relief by pushing toxins into storage.