What are the benefits of Omega 3 for the body?
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You are likely familiar with omega-3 fatty acids, but did you know they are a real gold mine for your health? Indeed, they play a recognized role in the normal functioning of the heart, brain, and vision… Sounds like a dream, right? And we aren't the only ones who think so! Numerous scientific studies confirm the incredible benefits of Omega-3s for the body's overall well-being. Whether found in food (fish oil, fatty fish) or in the form of dietary supplements, Omega-3s will become your best friends for a body in top shape. In this article, we tell you everything about their benefits and their essential role in overall well-being.
Before we talk about benefits, what are Omega-3 fatty acids?
Let's start at the beginning, shall we? Omega-3s are essential polyunsaturated fatty acids that play a very important role in the normal functioning of the human body. They are divided into three types:
- alpha-linolenic acid (ALA);
- eicosapentaenoic acid (EPA);
- docosahexaenoic acid (DHA).
Omega-3s cannot be synthesized by our body in sufficient quantities, hence the importance of including them in your diet.
The first, ALA, is mainly present in plant sources such as:
- flax seeds;
- walnuts;
- vegetable oils (rapeseed oil, flaxseed oil).
EPA and DHA are found primarily in fish oils and fatty fish such as:
- salmon;
- mackerel;
- sardines;
- or herring.
These essential fatty acids are integrated into cell membranes (notably those of the brain and retina, we will come back to this later). And they play an essential role in their structure and functioning.
What are the benefits of Omega-3s?
For the brain and its development
Among the benefits recognized by Anses (the French Agency for Food, Environmental and Occupational Health & Safety), omega-3 fatty acids, particularly docosahexaenoic acid (DHA), participate in proper brain development. This is true even from fetal life, as they contribute to the formation of the retina and the brain of the unborn child. During pregnancy and for nursing mothers, sufficient intake of DHA is therefore essential for the baby's optimal neurological development. This is because these unsaturated fatty acids accumulate rapidly in the developing brain and promote cognitive and visual capacities.
In adults, omega-3s help maintain mental and cognitive health, as DHA contributes to the maintenance of normal brain function.
For the cardiovascular system
Omega-3s are also well known for their protective effects on the cardiovascular system. They help reduce triglyceride levels (a form of lipid) in the blood. Good omega-3 intake also contributes to the maintenance of normal blood pressure. And that's not all! These polyunsaturated fatty acids have anti-inflammatory and anticoagulant properties that contribute to normal heart function.
So, as you can see: establishing a daily intake of Omega-3s can really boost your cardiovascular health and that of your arteries.
During pregnancy
Consuming foods rich in Omega-3s during pregnancy is a must! Because, unsurprisingly, the needs of pregnant women increase significantly to support the development of the fetus. The pregnant woman will mainly need DHA because it will contribute to the development of the baby's brain and eyes.
Really, when we say they are fantastic, we mean it!
For the eyes and vision
Omega-3s play a very important role in visual health, as DHA contributes to the maintenance of normal vision. They are among the essential constituents of the retina and participate in the renewal of photosensitive cells, which is vital for maintaining good vision.
Good consumption of fatty acids also contributes to the health of the tear film and daily visual comfort. Why? Because they provide essential lipids for tears.
Finally, they play an important role in the maintenance and repair of the optic nerves.
Did you know that other vitamins are essential for pregnant women? Our article on vitamin D during pregnancy should interest you!
For the skin
A fatty acid also plays an important role in maintaining the health and appearance of the skin. Good Omega consumption helps regulate sebum production... Rather beneficial for those who experience issues with dry skin or acne.
The anti-inflammatory properties of Omega-3s also help reduce redness and irritation associated with skin conditions. Furthermore, they help strengthen the skin barrier, thereby helping the skin retain moisture and stay hydrated.
Your most frequently asked questions about the benefits of Omega-3s
How do you know if you are lacking Omega-3s?
Signs of an omega-3 deficiency can vary from person to person. But overall, the most common symptoms include:
- dry and irritated skin;
- dull hair;
- brittle nails;
- mood swings.
You may also experience:
- fatigue;
- joint pain;
- decreased concentration.
Yes, it's no joke! Also, be aware that if you are pregnant, insufficient nutritional intake of Omega-3s can affect the development of the fetus. To confirm whether or not you have a deficiency, we advise you to consult a healthcare professional directly. They will be able to recommend a complete nutritional assessment and possibly additional blood tests.
What precautions should you take when consuming Omega-3s?
When consuming Omega-3s, try to choose high-quality food sources. It is important to prioritize the consumption of fatty fish with a low mercury concentration like those mentioned above, namely:
- salmon;
- mackerel;
- small fish (sardines, for example).
If you are vegetarian, opt for the consumption of unrefined vegetable oils such as:
- flaxseed oil;
- cod liver oil;
- walnut oil;
- rapeseed oil.
Even though there are many beneficial effects to consuming Omega-3s, some side effects should be taken into consideration.
Thus, if you choose to take dietary supplements, pay attention to their composition: most are based on fish oil. So, if you are allergic to it, prefer a vegan supplement based on vegetable oil. If you are on anticoagulant treatment, consult your doctor before starting a course of Omega-3 dietary supplement in parallel, as it can increase the risk of bleeding.
How long before you see the benefits of Omega-3s?
If you consume Omega-3s regularly, you will be able to feel the first positive effects after a few weeks. However, to really feel healthy thanks to their nutritional contributions (better cognitive functions, better cardiac function), you will have to wait several months. The key to success? Consistent consumption in sufficient quantities... And there you go!
We can't say it enough: omega-3s are essential for your health because they offer many benefits, especially for the brain, heart, vision, and skin. And even more so if you are pregnant. So don't miss out and make sure to include food sources rich in omega-3s. And why not add dietary supplements (after medical consultation) to boost all their benefits!
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