Vitamin c (ascorbic acid) and Weakness - a phase IV clinical study of FDA data

Summary:

Weakness is reported as a side effect among people who take Vitamin c (ascorbic acid) (vitamin c (ascorbic acid)), especially for people who are female, 60+ old, also take Gilenya, and have Multiple myeloma.

The phase IV clinical study analyzes which people have Weakness when taking Vitamin c (ascorbic acid). It is created by eHealthMe based on reports of 137 people who have side effects when taking Vitamin c (ascorbic acid) from the FDA, and is updated regularly.

What is Vitamin c (ascorbic acid)?

Vitamin c (ascorbic acid) has active ingredients of vitamin c (ascorbic acid). eHealthMe is studying from 186 Vitamin c (ascorbic acid) users. Check the latest studies of Vitamin c (ascorbic acid).

What is Weakness?

Weakness is found to be associated with 3,641 drugs and 6,612 conditions by eHealthMe. Check the latest studies of Weakness.

On Jul, 11, 2026

137 people reported to have side effects when taking Vitamin c (ascorbic acid).
Among them, 12 people (8.76%) have Weakness.

Could Vitamin c (ascorbic acid) cause Weakness?

Among these 12 people:

What is the gender of people who have Weakness when taking Vitamin c (ascorbic acid)? *

female: 66.67 %
male: 33.33 %

What is the age of people who have Weakness when taking Vitamin c (ascorbic acid)? *

What are other drugs people take besides Vitamin c (ascorbic acid)? *

What are other side effects people have besides Weakness? *

Fatigue (feeling of tiredness): 4 people, 33.33%
Weight Decreased: 2 people, 16.67%
Hypotension (abnormally low blood pressure): 2 people, 16.67%
Hypoaesthesia (reduced sense of touch or sensation): 2 people, 16.67%
Diarrhea: 2 people, 16.67%
Dizziness: 2 people, 16.67%
Pain: 2 people, 16.67%
Insomnia (sleeplessness): 1 person, 8.33%
High Blood Pressure: 1 person, 8.33%
Hair Loss: 1 person, 8.33%

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 4 people, 33.33%
Multiple Myeloma (cancer of the plasma cells): 4 people, 33.33%
Stress And Anxiety: 1 person, 8.33%
Stable Angina (a constant chest pain): 1 person, 8.33%
Insomnia (sleeplessness): 1 person, 8.33%
High Blood Pressure: 1 person, 8.33%
Hepatic Neoplasm Malignant (liver cancer): 1 person, 8.33%
Depression: 1 person, 8.33%
Coronary Heart Disease (narrowing or blockage of the coronary arteries): 1 person, 8.33%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 8.33%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin c (ascorbic acid) and have Weakness?

- Check whether Weakness 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 c (ascorbic acid):

Vitamin c (ascorbic acid) (186 reports)

Weakness treatments and more:

Weakness (586,876 reports)

Browse all side effects of Vitamin c (ascorbic acid):

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 Weakness:

Weakness (3,641 drugs)

Browse all the conditions that are associated with Weakness:

Weakness (6,612 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on vitamin c (ascorbic acid) (the active ingredients of Vitamin c (ascorbic acid)) and Vitamin c (ascorbic acid) (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.