However, it has been shown that high blood levels of vitamin B12 can cause the diagnostic features of cobalamin deficiency , which is due to binding to the different transport proteins
Pernicious anemia is a chronic condition characterized by the inability to absorb vitamin B12, leading to deficiency and related complications. Other issues like problems after stomach surgery or diseases like Crohns also might need Vitamin B12 injections
For hair, apart from cases of deficiency (or certain rare hair disorders in children that responded to biotin), research does not show a significant benefit of extra biotin in otherwise healthy people
This product is not a drug, supplement, or cosmetic ingredient and is sold exclusively for research purposes
The body excretes excess B12, and no upper tolerable limit has been established by UK or European regulatory authorities
Tendon and ligament injuries that were nagging at week 4 may show meaningful improvement