Our body does not know how to make the Omega 3 and 6, which must be provided by our diet. “Present naturally in edible oils (rapeseed, walnuts), in the flesh of fish, omega 3 (which intervene in many biological functions, cardiovascular in particular) can prove to be useful in the form of food supplements for people who do not consume enough of these foods, says Professor Marie-Paule Vasson. But there is no need to supplement with omega 6 (essential for the human body, involved in reproduction and immune defences), these are present in processed food products (prepared meals, cakes, etc.) and often consumed in quantity. excessive. »