In the field of nutrition and health, conflicting information often circulates that can generate doubts and concerns, especially among parents who, besides managing themselves, also have the responsibility for their children.
One of the questions we are asked is whether omega 3s bad for the liver, but is it true?
Let’s clarify this important topic by analyzing what science really says about it.
What are omega 3s?
Omega 3s are essential polyunsaturated fatty acids, defined as “essential” precisely because our body is unable to synthesize them on its own and must necessarily obtain them through diet.
The main omega 3 fatty acids are:
- Alpha-linolenic acid (ALA): mainly present in plant sources such as flaxseeds, walnuts, and hemp oil;
- Eicosapentaenoic acid (EPA): found especially in oily fish such as salmon, mackerel, and sardines;
- Docosahexaenoic acid (DHA): also present in fish and essential for brain development and vision;
Is omega 3 bad for the liver? Not really.
In the sea of information circulating online, you can find claims that omega 3s could damage the liver.
This concern is understandable, considering that the liver is the main organ responsible for fat metabolism. However, it is important to separate facts from opinions not supported by scientific evidence.
The scientific truth about omega 3s
Scientific research clearly demonstrates that not only do omega 3s not harm the liver, but on the contrary, they can offer numerous benefits for this important organ:
Protection against hepatic steatosis (fatty liver)
Several studies have shown that omega 3s, particularly DHA and EPA, can be useful in preventing and treating non-alcoholic fatty liver disease, a condition characterized by the accumulation of fat in the liver not related to alcohol consumption.
This condition affects about 25% of the European population and is also increasing among young people.
Research conducted at prestigious universities has shown that supplementation with omega 3 can contribute to:
- Significantly reducing fat content in the liver
- Improving biomarkers of liver function
- Decreasing liver inflammation
- Increasing liver sensitivity to insulin
Anti-inflammatory action
Omega 3s are known for their anti-inflammatory properties.
Chronic inflammation is one of the factors that can contribute to liver damage, and omega 3s can help counteract it, thus protecting liver cells.
Reduction of triglycerides
Omega 3s, especially at high doses, are effective in reducing blood triglyceride levels. High triglyceride levels can contribute to fat accumulation in the liver, so their reduction represents a benefit for the health of the organ.
Possible side effects and contraindications
As with any substance, of course, it is important to also consider the possible contraindications and side effects of omega 3s, even if these are not directly related to liver damage:
- Gastrointestinal disorders: some people may experience symptoms such as burping, stomach pain, or digestive discomfort, especially with fish oil supplements;
- Anticoagulant effect: omega 3s can slightly prolong bleeding time, so it is advisable to be careful in case of concurrent use of anticoagulant drugs or in the presence of coagulation disorders;
- Product quality: poor quality or poorly preserved supplements may contain oxidized omega 3s, which lose their beneficial properties;
How to correctly take omega 3s?
To benefit from the properties of omega 3s without incurring unwanted effects, it is advisable to:
- Favor natural food sources: oily fish (salmon, mackerel, sardines), walnuts, flaxseeds, flaxseed oil;
- In case of supplements, choose quality products: preferably certified and subjected to rigorous controls;
- Respect the recommended dosages: for adults, the recommended intake is generally between 250-500 mg per day of EPA+DHA;
- Always consult a doctor: especially in case of pre-existing conditions or medication use;
Special attention for children and pregnancy
Omega 3s, particularly DHA, are essential during pregnancy and in the first years of a child’s life for brain and visual development. There is no evidence of negative effects on the liver in these population groups, but it is always advisable to consult a pediatrician or gynecologist for personalized guidance.
We hope the myth is debunked
In light of the available scientific evidence, we can state with certainty that the idea that “omega 3s are bad for the liver” is a myth without foundation (like more common myths such as catching a cold from a draft).
On the contrary, these essential fatty acids can prove to be valuable allies for liver health, as well as for the general well-being of the body.
It is important to emphasize that, as with any aspect related to nutrition and health, it is always advisable to adopt a balanced approach, favoring a varied diet rich in natural foods and consulting qualified professionals for personalized advice.
We are with you.
At Parentalife, we are committed to providing accurate and evidence-based information to help parents make informed decisions about the health and well-being of their children.
We support families through our informative guides, educational paths, and with personalized consultations, offering concrete help to navigate the complex world of parenting with serenity and awareness.
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SOURCES
Vell MS, Creasy KT, Scorletti E, Seeling KS, Hehl L, Rendel MD, Schneider KM, Schneider CV. Omega-3 intake is associated with liver disease protection. Front Public Health. 2023 Jul 19;11:1192099. doi: 10.3389/fpubh.2023.1192099. PMID: 37538264; PMCID: PMC10394692.
Vell MS, Creasy KT, Scorletti E, Seeling KS, Hehl L, Rendel MD, Schneider KM, Schneider CV. Omega-3 intake is associated with liver disease protection. Front Public Health. 2023 Jul 19;11:1192099. doi: 10.3389/fpubh.2023.1192099. PMID: 37538264; PMCID: PMC10394692.