Vitamin e and Barrett's oesophagus - a phase IV clinical study of FDA data

Summary:

Barrett's oesophagus is reported as a side effect among people who take Vitamin e (tocopherols and tocotrienols), especially for people who are male, 60+ old, have been taking the drug for 2 - 5 years also take Nexium, and have High blood pressure.

The phase IV clinical study analyzes which people have Barrett's oesophagus when taking Vitamin e. It is created by eHealthMe based on reports of 41,364 people who have side effects when taking Vitamin e from the FDA, and is updated regularly.

What is Vitamin e?

Vitamin e has active ingredients of tocopherols and tocotrienols. It is often used in vitamin supplementation. eHealthMe is studying from 42,279 Vitamin e users. Check the latest studies of Vitamin e.

What is Barrett's oesophagus?

Barrett's oesophagus (barrett's oesophagus is a disorder in which the lining of the oesophagus (the tube that carries food from the throat to the stomach) is damaged by stomach acid and changed to a lining similar to that of the stomach) is found to be associated with 588 drugs and 624 conditions by eHealthMe. Check the latest studies of Barrett's oesophagus.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 31, 2026

41,364 people reported to have side effects when taking Vitamin e.
Among them, 35 people (0.08%) have Barrett's oesophagus.

Could Vitamin e cause Barrett's oesophagus?

Among these 35 people:

How long have people been on Vitamin e when they have Barrett's oesophagus? *

What is the gender of people who have Barrett's oesophagus when taking Vitamin e? *

female: 42.86 %
male: 57.14 %

What is the age of people who have Barrett's oesophagus when taking Vitamin e? *

What are other drugs people take besides Vitamin e? *

What are other side effects people have besides Barrett's oesophagus? *

Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 17 people, 48.57%
Stress And Anxiety: 13 people, 37.14%
Fatigue (feeling of tiredness): 12 people, 34.29%
Dizziness: 12 people, 34.29%
Injury: 10 people, 28.57%
Erection Problems: 9 people, 25.71%
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect): 9 people, 25.71%
Oedema Peripheral (superficial swelling): 9 people, 25.71%
Hypoaesthesia (reduced sense of touch or sensation): 9 people, 25.71%
Indigestion: 9 people, 25.71%

What are the existing conditions these people have? *

Drowsiness: 9 people, 25.71%
High Blood Pressure: 9 people, 25.71%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 8 people, 22.86%
Diabetes: 8 people, 22.86%
Insomnia (sleeplessness): 7 people, 20.00%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 7 people, 20.00%
Parkinson's Disease: 7 people, 20.00%
Hypertonic Bladder (bladder-storage function that causes a sudden urge to urinate): 7 people, 20.00%
Urinary Tract Infection: 7 people, 20.00%
Dizziness: 7 people, 20.00%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin e and have Barrett's oesophagus?

- Check whether Barrett's oesophagus 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 Vitamin e:

Vitamin e (42,279 reports)

Browse all side effects of Vitamin e:

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 Barrett's oesophagus:

Barrett's oesophagus (588 drugs)

Browse all the conditions that are associated with Barrett's oesophagus:

Barrett's oesophagus (624 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on tocopherols and tocotrienols (the active ingredients of Vitamin e) and Vitamin e (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.