For example, some of the best sources of omega 3, of which DHA is the most important, are. How Much DHA One Should Take Daily Varies Person to Person You probably won't like hearing this, but there is no concrete answer to the question. And then it also depends if it's farm raised of wild caught, which will dramatically change its DHA composition.

First, if you eat a very healthy diet, you may already be getting a good amount of omega 3 fats and, in particular, DHA omega 3 fats. If you eat a typical Western diet, then you're going to need more DHA in the form of supplementation. Vegetables and plant matter like cauliflower, spinach, cabbage, mustard seeds, etc., provide omega 3 in the form of ALA. Fatty fish types and grassfed meats. Also, even if you're trying to determine your total daily intake combined -- meaning what you should get from both diet and supplements -- that's going to be very hard to figure out because a lot of DHA rich foods won't tell you how much it contains. How much DHA should one take daily.

You're not going to buy 2 filets of sal at the market and see a DHA breakdown per serving.