But unless your healthcare provider has told you otherwise, youre probably not lacking in the vitamin, as most Americans do not have a deficiency (Langan, 2017)
Possible symptoms and risk factors of vitamin B12 deficiency may include: red blood cell conditions (anemia) issues with red, white, and platelet blood cells (pancytopenia) persistent fatigue skin sensations like tingling, numbness, or burning (paresthesia) erectile dysfunction bowel or urinary incontinence depression a higher chance of Alzheimers disease episodes of mania (euphoria) and psychosis Causes and risks of high vitamin B12 It is unlikely that youll develop high levels of vitamin B12 through diet alone
You can get it from: Sunlight exposure Fatty fish like mackerel and sardines Fortified dairy products and cereals Supplements, under medical supervision Keeping Vitamin D levels up is crucial for health and may reduce tinnitus severity
Weeks 4 to 8: Improvements either plateau or persist
The treatment was 1,000 g of cyanocobalamin (n=54), 1,000 g of cyanocobalamin plus 400 g of folate (n=51), and a placebo (n=57)