Food element thought to be effective in Immunity improvement

Arachidonic Acid

Food including Arachidonic Acid thought to be effective in Immunity improvement.
Cow liver  /  Pig lever  /  Pork  /  Egg yolk  /  Sea urchin  /  Mackerel  /  Amberjack(Yellowtail)  /  

Copper

Food including Copper thought to be effective in Immunity improvement.
anastasia  /  prawn (shrimp)  /  Cow liver  /  Salmon roe  /  Oyster  /  Chicken lever  /  Salted salmon roe  /  Crab  /  Pig lever  /  Abalone  /  Sea squirt (ascidian)  /