Heartburn or indigestion, bad breath, and diarrhea are some of the common gastrointestinal problems that may occur with omega-3. Side effects could be eliminated by keeping the fish oil products in the freezer. Potentially serious side effects of omega-3 that should be reported to a healthcare provider right away include high blood sugar, signs of bleeding, and allergic reactions.
Does Omega-3 Cause Side Effects?
A normal dietary intake of
omega-3 fatty acids (that is, through food) is probably free of significant side effects. However, even though they are "natural" products,
omega-3 supplements may cause side effects. For most people, these side effects are merely bothersome. However, omega-3 fatty acids can sometimes cause serious side effects as well, especially when taken at higher dosages, which is often necessary in order to obtain some of the
omega-3 benefits).
Bothersome Omega-3 Side Effects
Many omega-3 fatty acid supplements are
fish oil products. These supplements may cause gastrointestinal side effects. Some people find that keeping their fish oil supplements in the freezer helps reduce many of these problems. These possible side effects include:
Another popular source of omega-3 is
flaxseed and
flaxseed oil, which may cause the following side effects:
- Bloating
- Gas
- Abdominal pain (stomach pain)
- Diarrhea or loose stools
- Constipation (if you take it without enough water)
- Indigestion or heartburn
- Nausea.