Nikhil Prasad Fact checked by:Thailand Medical News Team Mar 18, 2025 5 hours, 56 minutes ago
Health News: Flaxseed has gained popularity as a superfood due to its rich nutritional profile and numerous health benefits. Packed with omega-3 fatty acids, lignans, proteins, and dietary fiber, it is known to contribute positively to cardiovascular health, diabetes management, gastrointestinal well-being, and even cancer prevention. However, a new comprehensive review by researchers from the University of Coimbra-Portugal, Hazara University-Pakistan, and the University of Porto-Portugal, sheds light on the potential risks associated with excessive flaxseed consumption.
The Benefits and Risks of Flaxseed in Daily Diet
This
Health News report explores the findings of this extensive study, providing a well-balanced perspective on the advantages and drawbacks of incorporating flaxseed into the diet. While many are aware of its health benefits, the study also emphasizes the need for caution, especially due to the presence of toxic compounds such as cyanogenic glycosides and antinutritional factors that could pose health risks when consumed in large quantities.
The Health Benefits of Flaxseed
Flaxseed is an excellent source of alpha-linolenic acid (ALA), a type of omega-3 fatty acid that plays a crucial role in reducing inflammation and improving heart health. The study highlights that ALA has been linked to a lower risk of cardiovascular diseases, including high blood pressure, atherosclerosis, and arrhythmias. Additionally, flaxseed contains lignans, which are plant-based compounds with antioxidant and estrogenic properties that may help reduce the risk of hormone-related cancers such as breast and prostate cancer.
For individuals with diabetes, flaxseed has shown promising effects in stabilizing blood sugar levels. The high fiber content helps slow down glucose absorption, improving insulin sensitivity. The study also found that flaxseed consumption significantly contributes to gastrointestinal health by promoting a healthy gut microbiota, which plays a vital role in digestion and overall immunity.
Furthermore, flaxseed’s fiber content aids in weight management by increasing satiety and reducing overall calorie intake.
Hidden Dangers of Overconsumption
While flaxseed offers numerous health benefits, excessive consumption can lead to adverse effects. The study warns against the overconsumption of flaxseed due to its high content of cyanogenic glycosides, compounds that can release toxic hydrogen cyanide in the body. If flaxseed is not processed properly or consumed in large amounts, it may lead to cyanide poisoning, which can affect the respiratory, nervous, and endocrine systems. Long-term exposure to these compounds could also interfere with thyroid function and lead to iodine deficiency disorders.
Another concern highlighted in the study is the presence of phytic acid and trypsin inhibitors in flaxseed. Phytic acid can reduce the absorption of essential minerals such as calcium, zinc, magnesium, and iron, potentially leading to nutritional deficiencies. Meanwhile, trypsin inhibitors interfere with protein di
gestion by inhibiting key digestive enzymes, which can result in poor nutrient absorption and digestive discomfort.
The Need for Controlled Intake
The researchers emphasize the importance of consuming flaxseed in moderation and ensuring proper processing to reduce its toxic components. Heat treatment and soaking are some of the recommended methods to minimize cyanogenic glycosides and antinutritional factors. They also suggest that individuals with underlying health conditions, pregnant women, and those on certain medications consult a healthcare professional before adding flaxseed to their diet.
Conclusion
Flaxseed is undeniably a valuable dietary addition with significant health benefits, particularly for cardiovascular health, diabetes management, and cancer prevention. However, this new study highlights the need for caution in its consumption, as excessive intake could lead to potential health risks. The key takeaway is to enjoy flaxseed as part of a balanced diet while being mindful of proper preparation methods and recommended daily limits. As research on flaxseed continues to evolve, individuals should stay informed about the latest findings to make the best dietary choices for their health and well-being.
The study findings were published in the peer-reviewed journal: Molecules.
https://www.mdpi.com/1420-3049/30/6/1335
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