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

I take ferrous fumarate 300(100)mg everday, once a day, since sep 23, 2013. i have brittle hair and want to take biotin(35mcg). will this clash?

4 doctors weighed in across 2 answers

Should nor: Should be ok to combine these.

Dr Blair agreed

Answered 2/1/2014

4.5k views

Thank
Dr. Vicki Levine answered

Specializes in Dermatology

Do not take biotin: There is no evidence that biotin in will help your hair.

Dr Fowler agreed

Answered 2/7/2014

4.5k views

Thank

Related Questions

A member asked:

I am taking hair skin and nail pills. It says to take 3 pills a day and has 3000 mcg of biotin per serving also with antioxidants. Is this safe ?

A doctor has provided 1 answer

A member asked:

I have read a lot about biotin being good for healthy hair/hair growth. Is it safe to take? Are there any side effects? What is the max dose per day?

A doctor has provided 1 answer

A member asked:

Take 5000mcg biotin/day for hair & read it can falsely elevate AFP tumor marker results for HCC if u dont stop for 72hrs before. Is this true?

A doctor has provided 1 answer

A member asked:

Any advice? I have been taking biotin, and have noticed a difference in my hair growth. Would it be ok to take 2 7500mcg a day to see if it speeds up the process?

A doctor has provided 1 answer

A member asked:

I use biotin vitamin 5mg & i take one a day. I use it for having heathly hair & growth. How long will i start seeing difference ?

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:

How many mg of biotin do u need for hair loss and brittle nails daily?
Im starting to take 5mg of biotin to help with my hair becoming thinner and thinner, I read 1 of the side effects of taking biotin is acne...But would this side effect occur with just taking a low dosage 5mg a day ?
Can i take biotin 10000mcg with multivitamin? Currently i m taking 1tab(multivitaminin) per day. I want 2 take biotin for my hair loss prblm, please ans.
Is biotin 5mg good for hair growth? ?How many times per day can I take them?
I'm a 15 year old girl, and would like to start taking Biotin for my hair. How much should I take a day? Are there any side effects?

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.