b12 injection site bruising Vitamin Injections: Hot Shots? Full Guide · PA Relief Best Vitamin B12 Injection Site:

Someone with low B12 cancer concerns may experience: Many people also ask, can low vitamin B12 cause dizziness or can low B12 cause headaches? Yes, vitamin B12 deficiency can affect the nervous system and reduce oxygen delivery, which may contribute to dizziness, headaches, and weakness

BMJ Best Practice

Only people with vitamin B12 deficiencies should take oral B12 supplements (thats about 6 percent of the US population under age 60)

Target levels above 400 pg per milliliter

Lets clear up some of the most common misconceptions so you can feel confident and informed about your care

Am J Physiol Endocrinol Metab 296, E13001310 (2009)