We Asked a Cardiologist How Long You Need to Take Fish Oil to Improve Heart Health—The Answer Might Surprise You For most people, this diet tweak is a more powerful gamechanger for heart health. Original Source: https://www.eatingwell.com/how-long-fish-oil-takes-to-work-for-heart-health-11889302 Next article: Ryan Coogler Always Snuck This Nostalgic Snack Into the Movies Next