A 28-year-old female asked:
Disclaimer

what can cause extremely high vitamin b12 levels? my result was >2,000... i thought diet and/or supplements wouldn't cause high levels.

1 doctor answer
Dr. Rex Mahnensmith
A Verified Doctor answered
A US doctor answered Learn more
High b12: This is not uncommon in my experience. It means your intake has been sufficient. Be thankful. There is no toxicity.
Answered on Mar 21, 2019
2
2 thanks

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

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month

Related questions:

A 34-year-old male asked:
Dr. Shawn Saunders
A Verified Doctor answered
A US doctor answered Learn more
Vegetarian too: I am a vegetarian also. What were your levels? And did your physician provide any advice? Vitamin B12 is easy to supplement, but I am curious of the ... Read More
1
1 comment
5
5 thanks
A 25-year-old male asked:
Dr. Richard Romano
A Verified Doctor answered
A US doctor answered Learn more
Vitamin B12: If I have a patient with a B12 level less than 400 and have neurological symptoms I would provide them supplements. Your tremors may or may not be re ... Read More
1
1 thank
A 25-year-old male asked:
Dr. John Michalski
A Verified Doctor answered
A US doctor answered Learn more
No: It shouldn't.
A 34-year-old female asked:
Dr. Robert Killian
A Verified Doctor answered
A US doctor answered Learn more
Why Concerned?: Having a high vitamin B12 is not a disease or medical condition to be worried about. Why are you testing? Why are you worried?
1
1 comment
2
2 thanks

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

Ask doctors free
Personalized answers
Free
Talk to a doctor
Unlimited visits
$10/month