1. Home
  2. Analysis
  3. Krill-oil
  4. Heart-attack

Krill oil and Heart attack - a phase IV clinical study of FDA data

Summary:

Heart attack is reported as a side effect among people who take Krill oil (krill oil), especially for people who are male, 60+ old, also take Coenzyme Q10, and have Rheumatoid arthritis.

The phase IV clinical study analyzes which people have Heart attack when taking Krill oil. It is created by eHealthMe based on reports of 4,803 people who have side effects when taking Krill oil from the FDA, and is updated regularly.

What is Krill oil?

Krill oil has active ingredients of krill oil. It is often used in high blood cholesterol. eHealthMe is studying from 5,042 Krill oil users. Check the latest studies of Krill oil.

What is Heart attack?

Heart attack is found to be associated with 2,482 drugs and 3,296 conditions by eHealthMe. Check the latest studies of Heart attack.

On Jul, 15, 2026

4,803 people reported to have side effects when taking Krill oil.
Among them, 38 people (0.79%) have Heart attack.

Could Krill oil cause Heart attack?

Among these 38 people:

What is the gender of people who have Heart attack when taking Krill oil? *

  • female: 41.67 %
  • male: 58.33 %

What is the age of people who have Heart attack when taking Krill oil? *

  • 0-1: 0.0 %
  • 2-9: 0.0 %
  • 10-19: 0.0 %
  • 20-29: 0.0 %
  • 30-39: 0.0 %
  • 40-49: 8 %
  • 50-59: 8 %
  • 60+: 84 %

What are other drugs people take besides Krill oil? *

  1. Coenzyme Q10: 8 people, 21.05%
  2. Zyrtec: 7 people, 18.42%
  3. Vitamin C: 7 people, 18.42%
  4. Acidophilus: 6 people, 15.79%
  5. Advair Hfa: 6 people, 15.79%
  6. Vitamin D3: 6 people, 15.79%
  7. Crestor: 6 people, 15.79%
  8. Tylenol: 5 people, 13.16%
  9. Neurontin: 4 people, 10.53%
  10. Percocet: 4 people, 10.53%

What are other side effects people have besides Heart attack? *

  1. Stroke (sudden death of a portion of the brain cells due to a lack of oxygen): 5 people, 13.16%
  2. Visual Impairment: 5 people, 13.16%
  3. Weight Fluctuation: 4 people, 10.53%
  4. Kidney Infection: 4 people, 10.53%
  5. Renal Disorder (kidney disease): 4 people, 10.53%
  6. Sinusitis (inflammation of sinus): 4 people, 10.53%
  7. Drug Ineffective: 4 people, 10.53%
  8. Weakness: 4 people, 10.53%
  9. Appetite - Decreased (decreased appetite occurs when you have a reduced desire to eat): 4 people, 10.53%
  10. Cardiac Disorder: 3 people, 7.89%

What are the existing conditions these people have? *

  1. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 6 people, 15.79%
  2. Cardiac Disorder: 5 people, 13.16%
  3. Diabetes: 5 people, 13.16%
  4. High Blood Pressure: 4 people, 10.53%
  5. Dizziness: 4 people, 10.53%
  6. Immunodeficiency Common Variable: 4 people, 10.53%
  7. Muscle Spasms (muscle contraction): 4 people, 10.53%
  8. Prostate Cancer: 4 people, 10.53%
  9. Liver Disorder (liver diseases): 4 people, 10.53%
  10. Multiple Myeloma (cancer of the plasma cells): 3 people, 7.89%

* Approximation only. Some reports may have incomplete information.

Do you take Krill oil and have Heart attack?

- Check whether Heart attack is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Krill oil:

Heart attack treatments and more:

How severe was Heart attack and when was it recovered:

Expand to all the drugs that have ingredients of krill oil:

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Krill oil:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all the drugs that are associated with Heart attack:

Browse all the conditions that are associated with Heart attack:

How the study uses the data?

The study uses data from the FDA. It is based on krill oil (the active ingredients of Krill oil) and Krill oil (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

Recent studies on eHealthMe:

© 2026 eHealthMe.com. All rights reserved. Use of this site constitutes acceptance of eHealthMe.com's terms of service and privacy policy.