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

Had elevated b12 for years (1700) & don't take supplements. eat a bowl of cereal everyday. all others blood tests normal. i bloat too-is this normal?

A doctor has provided 1 answer

You're fine: If this has been stable for years, we'll chalk it up to a "minor mystery of medicine". Sometimes it's a marker for a couple of relatively uncommon blood diseases, but since they have not declared themselves & would have in this time, i'd urge you to forget it. I'm betting "a genetic tendency to high levels of the carrier protein.".

Dr Fowler agreed

Answered 2/1/2015

5.2k views

Thank

Related Questions

A member asked:

A blood test showed that i'm B12 deficient. Serum B12 level of 186 pg/ml, should I take vitamin B12 supplements?

8 doctors weighed in across 2 answers

A member asked:

Is it possible to have high b12 in blood tests but still be deficient? My levels are 1800 (no supplements so don't really understand that) but feel like l have deficiency symptoms?

2 doctors weighed in across 2 answers

A member asked:

If I have pernicious anemia and I only take oral supplements of b12, and my blood levels show an increase, does that mean I can just continue with oral supplements?

2 doctors weighed in across 2 answers

A member asked:

My B12 level is 140 but my blood count is all in normal range do I need supplements or can I increase through diet?

A doctor has provided 1 answer

A member asked:

Blood work shows excessive amount of b12 >1999. Its been 3 weeks since B12 supplements were stopped. How long does it take B12 levels to go down?

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:

Blood test showed low iron saturation at 14%, normal 20-40%. Only other abnormal lab was elevated B12 at 1297. I do take a B12 supplement because I was told years ago I was deficient. Are these concerning??
My vitamin B12 went from 178 to 758 on my next blood test 2 years later. Would a daily supplement really raise it that much? I am a 50 yr old woman.
Blood test shows I am a little low on B12, but whenever I take a B12 supplement, I end up feeling very anxious and agitated.
Is a blood test B12 level of 1463 concerning? folate (folic acid) test is normal & no B12 supplements being taken. thanks.
I am vegan and do NOT take supplements. What could it mean if my vit b12 and folate are high in blood tests?

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.