The good news: All forms of B12 supplements are relatively safe and can help you sidestep symptoms of a deficiency
[1] Don't purchase over-the-counter B12 supplements without medical guidance, as this can interfere with accurate assessment and may mask underlying conditions
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Conversely, some studies show that a deficiency in vitamin B12 may cause appetite loss, potentially leading to weight loss if left untreated ( If youre low or deficient in B12, your healthcare provider will likely recommend oral vitamin B12 supplements or injections to increase your blood levels ( summary Low levels of vitamin B12 can cause megaloblastic anemia, which is characterized by shortness of breath, headaches, and fatigue
For those experiencing chronic fatigue or unexplained symptoms, our clinicians thoroughly assess for potential vitamin deficiencies, including B12