Does Omega 3 fatty acids help with heartburn?

Hello,

Other side effects of Omega-3
Some side effects of omega-3 polyunsaturated fatty acids may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common
Acid or sour stomach
bad, unusual, or unpleasant (after) taste
belching
bloated or full feeling
change in taste
excess air or gas in the stomach
heartburn
indigestion
stomach discomfort, upset, or pain

Source: https://www.drugs.com/sfx/omega-3-side-effects.html

Regards, masso