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Too much B12: A few guides mention excessive B12 as a possible hair loss trigger, but direct human data is limited

What B Vitamins are Included in B Complex

While B12 can be found in foods like meat, fish, and dairy, some people struggle to absorb enough through diet alone

Treatment details Type Dietary supplement Safety Rigorous evidence of safety, or only small risks/minor harms Efficacy Limited evidence that it is effective The makers claim Reduces or eliminates the perception of tinnitus

As discussed in our recent blog on the link between B vitamin supplements and cancer , long term mega doses of folic acid, B6, and B12 are generally to be avoided