HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Does vitaminc lose its potency?

A doctor has provided 1 answer

Yes: Ascorbic acid exposed to the air can be degraded.

Dr Niazi agreed

Answered 6/24/2014

4.9k views

Thank

Related Questions

A member asked:

Does ritalin (methylphenidate) lose it's potency over time - when past the expiry date? What is the timeline of this process?

4 doctors weighed in across 2 answers

A member asked:

On a camping trip, my sons GH is stored at 50F instead of 40F. Can he still use it? How fast does GH lose its potency if stored a few degrees above?

A doctor has provided 1 answer

A member asked:

Does klonopin (clonazepam) (or any benzo) ever really expire, i.E. Lose potency over time? In other words is it just as effective 20 years past expiration date?

A doctor has provided 1 answer

A member asked:

I get a 3 month supply of Effexor tablets I take 225mg. By the end of the bottle I start feeling withdrawal symptoms. Do the tablets lose potency? I

A doctor has provided 1 answer

A member asked:

Can grapefruit seed extract lose potency if taken on and off and create antibiotic-resistant organisms?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Is it ok to take vitamin C pills while taking prevpac (lansoprazole amoxicillin and clarithromycin) for h. Pylori? I also take alive womens 50+ ultra potency vitamins and 20mg enalapril. Thanks!
Can you tell me if metaprolol loses its potency after a couple of years?
Would using expired restasis be helpful or does it really lose its potency and effectiveness?
Are pills really good until the last day of the month of the indicated expiry date? Or do pills lose potency over time on a linear basis?
Is Ativan (lorazepam) that has expired harmful/dangerous to take? Or will it just lose its potency?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.