Psyllium Husk vs Flaxseed: Unlocking the Secrets of These Powerful Dietary Fibers

Fiber is an essential component of a healthy diet, and incorporating the right type of fibre can lead to improved digestion, weight management, and overall well-being. Two popular sources of dietary fiber we will consider more closely are psyllium husk vs flaxseed.

Both come with a long list of potential health benefits, but which one is right for you?

By diving into the unique properties of each, we’ll help you make an informed decision.

Psyllium Husk vs Flaxseed; The Main Differences

Psyllium husk and flaxseed are both rich in dietary fibre, but they differ in composition and benefits. Psyllium husk, derived from the Plantago ovata plant, is primarily composed of soluble fibre. 1

Soluble fibre absorbs water and forms a gel-like substance in the gut, which can help with constipation and diarrhea.

On the other hand, flaxseed contains both soluble and insoluble fibre, with a higher concentration of insoluble fibre. Insoluble fibre adds bulk to stools and aids in regular bowel movements.

Why Psyllium Husk is Preferred by Some

Psyllium husk is often the go-to choice for people dealing with digestive issues, particularly constipation, and diarrhea. Its high soluble fibre content makes it more effective at softening stools and promoting regularity.

Additionally, it has been shown to help lower LDL cholesterol levels and regulate blood sugar levels, making it a beneficial supplement for those with diabetes or at risk of heart disease. 2 3

Psyllium Husk vs Flaxseed - Crop

Why Flaxseed is Preferred by Others

Flaxseed offers a unique set of benefits that make it appealing to many individuals. It is an excellent source of omega-3 fatty acids, which have been linked to numerous health benefits, including:

  • Reduced inflammation 4
  • Improved brain health, and 5 6
  • Improved heart health. 7

Flaxseed also contains lignans, plant compounds with antioxidant and estrogen-like properties that may help protect against certain types of cancer. 8

The combination of soluble and insoluble fibre in flaxseed provides a more balanced approach to digestive health in the opinion of many.

Depending upon your goals, the psyllium husk vs flaxseed debate may well be settled for you at this stage.

Things to Consider for Yourself

When deciding between psyllium husk and flaxseed, consider your individual needs and preferences.

If you’re primarily seeking relief from constipation or diarrhea, psyllium husk may be more effective. If you’re looking for a broader range of health benefits, including omega-3 fatty acids and antioxidants, flaxseed might be a better choice.

Keep in mind that adding either source of fibre to your diet should be done gradually, in conjunction with tailored professional medical advice, and it’s essential to stay hydrated to avoid digestive discomfort.


Is Psyllium Husk better than Flaxseed for fiber?

Psyllium husk is primarily soluble fibre, while flaxseed contains both soluble and insoluble fibre. If your primary goal is to improve constipation or diarrhea, psyllium husk may be more effective due to its higher soluble fibre content.

Can I use Flaxseed instead of Psyllium Husk?

Yes, you can use flaxseed instead, but keep in mind that the fibre composition and health benefits are different when considering psyllium husk vs flaxseed.

Flaxseed provides a more balanced mix of soluble and insoluble fibre, as well as additional benefits from omega-3 fatty acids and lignans.

What is better than Flaxseed?

There isn’t necessarily a “better” option than flaxseed, as the best choice depends on your individual needs and preferences. Flaxseed offers a unique combination of fibre, omega-3 fatty acids, and lignans, which may be beneficial for overall health.

What are the disadvantages of Flax?

When considering both sides of the psyllium husk vs flaxseed discussion, some disadvantages of flaxseed include potential digestive discomfort if introduced too quickly, possible interaction with certain medications, and the risk of consuming too many calories if not portioned properly.

Who should not use Flaxseed?

People with bowel obstructions, those on blood-thinning medications, and individuals with a known allergy to flaxseed should avoid consuming it.

Pregnant and breastfeeding women should also consult their healthcare provider before incorporating flaxseed into their diet.

Do doctors recommend Flaxseed?

Many doctors recommend flaxseed as a healthy addition to a balanced diet due to its fibre, omega-3 fatty acids, and lignan content.

However, it’s essential to consult with your healthcare provider to determine if flaxseed is suitable for your individual needs.

Is it OK to have Flaxseed every day?

Yes, it’s generally safe to consume flaxseed daily, as long as you’re mindful of portion sizes and gradually increase your intake to avoid digestive discomfort. A typical serving size is 1-2 tablespoons of ground flaxseed per day.

Is Flaxseed inflammatory?

Flaxseed contains omega-3 fatty acids, which have been shown to help reduce inflammation. Therefore, incorporating flaxseed into your diet may have anti-inflammatory effects.

Can Flaxseed and Psyllium Husk be taken together?

Why can I take Flaxseed and Psyllium Husk together? Flaxseed contains both soluble and insoluble fibre, as well as healthy omega-3 fatty acids and lignans. Psyllium husk is mainly composed of soluble fibre, which absorbs water and forms a gel-like substance, helping to bulk up the stool and promote bowel movements.

Taking flaxseed and psyllium husk together could potentially increase your overall fibre intake and provide a blend of soluble and insoluble fibres, which can be beneficial for digestion and overall health.

Both flaxseed and psyllium husk are natural sources of dietary fibre, and they have different properties. If you could take them both, why worry so much about the psyllium husk vs flaxseed debate?

However, it is essential to introduce both supplements gradually and monitor your body’s response. Too much fibre too quickly may lead to gastrointestinal discomforts, such as bloating, gas, or cramping.

Additionally, when increasing fibre intake, it is important to drink plenty of water to help the fibre work effectively and prevent constipation.


Both psyllium husk and flaxseed offer unique health benefits, and the best choice for you depends on your individual needs and goals. Psyllium husk is often preferred for its effectiveness in addressing constipation and diarrhea, while flaxseed boasts a range of benefits, including omega-3 fatty acids, lignans, and a mix of soluble and insoluble fiber.

By considering your specific health concerns and preferences, you can make an informed decision when weighing up psyllium husk vs flaxseed, and enjoy the advantages of these powerful dietary fibers.

You may also want to take a closer look at considering psyllium husk vs chia seeds given the content covered here.

Join the psyllium husk vs flaxseed discussion and let us know what your thoughts are on Instagram or Pinterest.


  1. “Plantago ovata – Forssk” – PFAF Staff, Last Checked 17 March 2023 [Plants for a Future] [Archive] ↩︎
  2. “Long-term cholesterol-lowering effects of psyllium as an adjunct to diet therapy in the treatment of hypercholesterolemia” – J. W. Anderson, M. H. Davidson, L. Blonde, W. V. Brown, W. J. Howard, H. Ginsberg, L. D. Allgood, K. W. Weingand, June 2000 [PubMed] [Archive] ↩︎
  3. “Soluble fibers from psyllium improve glycemic response and body weight among diabetes type 2 patients (randomized control trial)” – A. S. Abutair, I. A. Naser, A. T. Hamed, 12 October 2016 [PubMed] [Archive] ↩︎
  4. “Effects of Flaxseed Interventions on Circulating Inflammatory Biomarkers: A Systematic Review and Meta-Analysis of Randomized Controlled Trials” – M. Rahimlou, N. B. Jahromi, N. Hasanyani, A. R. Ahmadi, 22 May 2019 [PubMed] [Archive] ↩︎
  5. “Flaxseed mitigates brain mass loss, improving motor hyperactivity and spatial memory, in a rodent model of neonatal hypoxic-ischemic encephalopathy” – D. B Mucci, F. S. Fernandes, A. D. S. Souza, F. L. C. Sardinha, M. Soares-Mota, M. Graças T. do Carmo, June 2015 [PubMed] [Archive] ↩︎
  6. “Dietary Flaxseed as a Strategy for Improving Human Health” – M. Parikh, T. G. Maddaford, J. A. Austria, M. Aliani, T. Netticadan, G. N. Pierce, 25 May 2019 [PubMed] [Archive] ↩︎
  7. “The cardiovascular effects of flaxseed and its omega-3 fatty acid, alpha-linolenic acid” – D. Rodriguez-Leyva, C. M. C. Bassett, R. McCullough, G. N. Pierce, November 2010 [PubMed] [Archive] ↩︎
  8. “Flaxseed Lignans as Important Dietary Polyphenols for Cancer Prevention and Treatment: Chemistry, Pharmacokinetics, and Molecular Targets” – S. F. De Silva, J. Alcorn, 5 May 2019 [PubMed] [Archive] ↩︎

Last Updated on 4 months by D&C Editorial Team

About the Author

Christine has long been on the path to optimal health. With a history of weight loss coaching she is driven by a passion for nutrition, health and wellness. Having grown up in Africa before migrating to New Zealand, and then Australia, she has seen very strong contrasts in quality of life and is driven to help others understand the importance of taking a holistic approach to life.

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