What is Vitamin B12 for? What are the symptoms of low Vitamin B12 (B12 deficiency)? What foods have vitamin B12? What can cause a lack of Vitamin B12? How is the treatment? Should the vitamin B12 test be done for everyone? Who is the risk group for having this deficiency? Which is better to supplement injectable Vitamin B12 or in tablets/capsules?

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Disclaimer:
*Video for educational purposes only.
The physician is prohibited from consulting, diagnosing or prescribing through YouTube comments.
For specific questions, seek medical advice.
Medicine is a constantly evolving science, this video was produced based on scientific studies available as of the date of publication.

Dr. João Sório - Endocrinologist - Internal Medicine
(Duly registered with the medical council of Brazil)
CRMSC 21454 RQE 17673 / 17674
Video index:
00:00 This is what happens in the absence of Vitamin B12
02:28 Foods that have Vitamin B12 (diet)
02:59 What is Vitamin B12 for
03:45 Symptoms of Low Vitamin B12
06:05 Causes of Low Vitamin B12
07:35 Risk group for Vitamin B12 deficiency
10:53 Treatment and Supplementation: Vitamin B12 injectable or tablet/capsules?