1. Causes Diarrhea- supplements that contain omega-3 fatty acids can cause diarrhoea if taken in an excessive amount.

2. Bleeding- studies say that consuming high amounts of fish oil can activate blood clots and this can result in bleeding from the nose and gums.

3. Increase in Blood sugar level- Omega-3 fatty acids present in fish oil can increase the blood sugar level which can cause harm to diabetes patients.

4. Low Blood Pressure- Fish oil lowers the diastolic and systolic blood pressure in our body and it also lowers cholesterol and triglyceride content in our body as well.

5. Causes Acid reflux- Acid reflux, heartburn, nausea, belching and indigestion are some health issues that can occur due to the large consumption of fish oil

6.  Promotes Insomnia- fish oil is primarily known to promote sleep quality but if we consume too much of it, then it can give the opposite effects to us

7. Boosts Vitamin A toxicity- excessive consumption of fish oil can generate vitamin A toxicity in our body, then it can lead to liver health issues like liver failure.

8. Risk of Hemorrhagic stroke- excess amount of fish oil in our body can increase the chances of hemorrhagic stroke (brain diseases or brain stroke ) in our body.