Omega 3 包含了三種油脂，ALA、EPA、DHA。
ALA從植物來，而EPA和DHA則從海洋中的動物和植物來。omega 3是多元不飽和脂肪酸，它對人體來說算是必須脂肪酸，那是因為人類身體不能自行合成，必須從外攝取。
EPA和DHA中有 resolvins 和 protectins，研究發現，這些脂溶質中有能夠調節免疫的功能，它們能在不打斷發炎過程下，讓痊癒完滿。切記，調節免疫不等於打壓免疫。也就是說，這些物質能讓免疫有紀律，該發炎的發炎，發炎完後消炎，避免免疫風暴。
Omega 3最顯著的生理功效便是：
- 避免免疫風暴
- 消炎
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