Fish oil – Mayo Clinic


Fish oil is a dietary resource of omega-three fatty acids. Your overall body requires omega-three fatty acids for several features, from muscle mass exercise to mobile expansion.

Omega-three fatty acids are derived from meals. They are not able to be manufactured in the overall body. Fish oil incorporates two omega-3s called docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA). Dietary resources of DHA and EPA are fatty fish, these kinds of as salmon, mackerel and trout, and shellfish, these kinds of as mussels, oysters and crabs. Some nuts, seeds and vegetable oils include a different omega-three called alpha-linolenic acid (ALA).

Fish oil dietary supplements occur in liquid, capsule and capsule type.

Persons just take fish oil for its anti-inflammatory outcomes.


Investigation on the use of fish oil for unique situations displays:

  • Heart ailment. Even though study displays that individuals who take in dietary resources of fish oil at the very least twice a 7 days have a reduce risk of dying of coronary heart ailment, using fish oil dietary supplements appears to have little to no added benefits to coronary heart wellbeing.
  • Superior blood tension. Numerous research report modest reductions in blood tension in individuals who just take fish oil dietary supplements. You will find some proof that the advantageous outcomes of fish oil may be better for individuals with moderate to serious significant blood tension than for those with delicate blood tension elevation.
  • Superior triglycerides and cholesterol. You will find sturdy proof that omega-three fatty acids can significantly decrease blood triglyceride degrees. There also appears to be a slight enhancement in significant-density lipoprotein (HDL, or “fantastic”) cholesterol, while an improve in degrees of lower-density lipoprotein (LDL, or “lousy”) cholesterol also was noticed.
  • Rheumatoid arthritis. Studies counsel fish oil dietary supplements may aid decrease soreness, boost morning stiffness and relieve joint tenderness in individuals with rheumatoid arthritis. Even though reduction is frequently modest, it may be enough to decrease the will need for anti-inflammatory medicines.

Our just take

Green light: Generally safe

Generally safe

Omega-three fatty acids are vital for fantastic wellbeing. Check out to get them from your diet regime by having fish — broiled or baked, not fried. Fish oil dietary supplements may be practical if you have significant triglycerides or rheumatoid arthritis.

Fish oil appears to include practically no mercury, which can be a induce for problem in specific sorts of fish. Even though usually safe, having much too much fish oil can improve your risk of bleeding and may affect your immune response. It can be not very clear regardless of whether fish oil is safe for individuals who are allergic to seafood. Get fish oil dietary supplements under a doctor’s supervision.

Security and side outcomes

When taken as suggested, fish oil dietary supplements are usually regarded as safe.

However, fish oil dietary supplements can induce delicate side outcomes, together with:

  • A fishy aftertaste
  • Negative breath
  • Heartburn, nausea or diarrhea
  • Rash

Having significant doses of fish oil dietary supplements may improve the risk of bleeding and probably improve the risk of stroke.


Possible interactions involve:

  • Anticoagulant and antiplatelet medicines, herbs and dietary supplements. These sorts of medicines, herbs and dietary supplements decrease blood clotting. It can be feasible that using fish oil dietary supplements with them may improve the risk of bleeding.
  • Blood tension medicines, herbs and dietary supplements. Having fish oil dietary supplements may a little reduce blood tension. Having these dietary supplements with blood tension medicines may improve the outcomes on blood tension.
  • Contraceptive medicines. Some contraceptive medicines may interfere with the impact fish oil usually has on triglycerides.
  • Orlistat (Xenical, Alli). Having fish oil with this body weight-decline drug may decrease absorption of fish oil fatty acids. Take into consideration using the supplement and drug two hours apart.
  • Vitamin E. Having fish oil can decrease vitamin E degrees.