how frequent b12 injections Long Does It Take Vitamin to Work? B-12 injections | WithCare Clinic

Vitamin B12 is usually present in animal products, especially dairy products, poultry, eggs, and fish

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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

Whether b12 injections and weight loss or shots are being used, the positive effects remain the sameaiding in energy, metabolism, red blood cell production, and overall well-being