Omega 3 is necessary for the optimal functioning of the body human body. There are three of them and we are going to find out where they are present.

Definition of omega 3

The name omega 3 fatty acids encompass all the essential fatty acids also called essential. Fatty acids are necessary for the good health of the human body. Besides, you should know that he does not know how to conceive on his own. Thus, they must be deposited by supplementation or food, or conceived via their precursor if it is offered by the diet. Omega 3 fatty acids are so named because the double bond is three carbon atoms from the C terminal. Also, be aware that these are polyunsaturated fatty acids. Today, three kinds of omega 3 fatty acids are known.


The three types of omega 3

As we said above, there are three types of omega 3:

  • Alpha-linolenic acid (ALA), not produced by the human body. It is an important fatty acid that must be offered through supplementation or diet.
  • Eicosapentaenoic acid (EPA) is synthesized via ALA. It can also be taken from food.
  • And finally, docosahexaenoic acid (DHA) can be synthesized via alpha-linolenic acid or provided by food.

Omega 3 resources and needs


The human body needs 2.22 grams of ALA each day, which is equivalent to 1% daily calories. For plant sources, here is everything that is vital for the human body: wheat germ oil, rapeseed oil, soybean and soybean oil, hemp seed and oil, and flaxseed oil and seed. For EPA + DHA, 0.65 grams per day is needed, which is equivalent to 0.3% of daily calories. Finally, let’s finish with animal sources: fish and oils from wild fatty fish such as salmon, sardines, halibut, mackerel or even herring. Note that tuna is not recommended since it is an oily fish that stores a lot of heavy metals that are in the oceans.

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