Question: 1 walnut contains how much omega 3?
Answer: Omega-3 ALA Walnuts are the only tree nut that is an excellent source of alpha-linolenic acid (ALA), the plant-based omega-3 essential fatty acid. As one of the best plant food sources of omega-3s, a one-ounce serving of walnuts provides 2.5 grams of ALA.