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A study in the Journal of Clinical Biochemistry says, Vitamin B12 deficiency can cause big problems with nerves and blood. Vitamin B12 is key for making DNA, fatty acids, and energy. Source: Journal of Clinical Biochemistry Common Signs of Deficiency A Vitamin B12 shortage can show in many ways, like: Fatigue and weakness Numbness or tingling in hands and feet Difficulty walking Mood changes, such as depression Spotting these signs early is key for quick action
All evidence is from animal models, with no published human data
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Hydroxocobalamin is also naturally present in food sources and is considered highly effective, particularly for individuals with absorption difficulties or severe deficiency requiring rapid correction
Most adults can safely get weekly injections indefinitely
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