While the RNI for maintenance is only 1.5 g daily, therapeutic oral doses typically range from: 50-150 g daily for mild deficiency prevention in at-risk groups 1,000-2,000 g daily for treating confirmed deficiency without malabsorption Some formulations contain up to 5,000 g, though there is no proven additional benefit over 1,000-2,000 g for most patients The reason for this dosage discrepancy lies in absorption efficiency
It is pseudoscientific nonsense of the first order
Symptoms of vitamin B12 deficiency Some of the symptoms that can be caused by a lack of vitamin B12 include: Poor appetite Anemia Fatigue Weakness Numbness or tingling in the hands or feet Difficulty with balance Vitamin B12 deficiency can also contribute to depression, cognitive impairment, and dementia
Your physician will advise on appropriate combinations for your health profile
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